Bitcoin - WikiMili, The Best Wikipedia Reader

I recently recounted the history of the block size controversy for someone and thought I'd repost it here

Bitcoin development was initially led by an anonymous figure named Satoshi Nakamoto who created the project "Bitcoin: a Peer-to-peer Electronic Cash System"
The project mostly languished in obscurity until in late 2010 it was revealed that Bitcoin was being used to evade the ban on Wikileaks contributions. (A good summary of Bitcoin's early history can be found here.)
Satoshi was opposed to Bitcoin being used for something as controversial as funding Wikileaks, and in one of his last messages, wrote "It would have been nice to get this attention in any other context. WikiLeaks has kicked the hornet's nest, and the swarm is headed towards us." (link). Satoshi vanished shortly thereafter.
When Satoshi disappeared, he left the project effectively in the control of Gavin Andresen, one of the early contributors to the project. Gavin has been characterized as something of a naive academic. It wasn't long before Gavin had been approached by the CIA and agreed to visit and do a presentation. So we know that Bitcoin was on the CIA's radar by 2011.
Bitcoin-as-introduced had an Achilles heel. To prevent a specific kind of denial-of-service attack, Satoshi had added a "block size limit" to prevent flooding attacks. Satoshi's plan was to raise the limit as usage increased. Satoshi and the early Bitcoiners such as myself did not envision that the limit might itself be a vulnerability. A near-complete history of the block size limit controversy is here. I'll attempt to summarize my experience with some references.
Now it's almost 2020, and by now we've all become much more attuned to the scope of what three-letter-agencies have been doing to manipulate social media platforms. But in 2012 that was tinfoil-hat stuff across most of the internet.
In 2012, the Bitcoin subreddit was one of the key places people went for discussion about what was happening in Bitcoin. That, and the bitcointalk forum. The history of what happened has been well documented with sources in places like here and here.
The TLDR is
Throughout all of this, Blockstream steadfastly argued that it didn't control the Bitcoin Core software. Blockstream pointed to Chaincode Labs who funded several key bitcoin developers and the MIT Media Labs "Digital Currency Initiative" who funded Gavin, Cory, and Wladimir. Gavin and Wladimir in particular had the authority to merge changes into the Bitcoin Core software and as such effectively could decide what did and did not go into the software. As an ostensibly academic organization, Gavin and Wladimir etc could act with intellectual honesty and without coercion.
Except Gavin left the Digital Currency Initiative in 2017, saying that while he wasn't pressured to quit, he "didn't want to feel obligated to any person or organization."
Fast forward to 2019, and we learn the fascinating news that the MIT Media Labs were funded in part by none other than Jeffrey Epstein, who it turns out just so happened to be a staunch advocate of the Blockstream approach. So really, Bitcoin development was corralled: Blockstream was paying a bunch of devs, and Blockstream-Friendly MIT Media Labs were paying the others.
If you're still reading this, you probably wonder what it is about the Blockstream strategy that is so "bad." Aren't they just proposing a different way to solve Bitcoin's problems?
The original idea for Bitcoin was a "peer to peer cash system" - - the idea being that if Alice wants to buy something from Bob, she can just give him some tokens - - just like cash.
The new vision of bitcoin promoted by Blockstream and Core is "store of value". Under this model, you buy Bitcoins like you might speculate on gold - you buy some and you hold it. Later, if you want to purchase something, you sell your Bitcoins for some other payment method (or use an IOU against a deposit, just like a bank), and use that for purchases.
It should be apparent after a moment of thought that the original concept (Alice hands Bob some cash which Bob can then spend how he likes) is vastly more disruptive than the model in which Alice buys Bitcoin on a government-regulated exchange, holds them hoping they'll appreciate in value, and then sells them for Euros or dollars. In model one, the currency is essentially outside the domain of gatekeepers, and could completely disintermediate the entire existing financial system just like Napster for money. In model two, Bitcoin is no more disruptive than shares of a gold fund.
submitted by jessquit to btc [link] [comments]

AMA: Ask Mike Anything

Hello again. It's been a while.
People have been emailing me about once a week or so for the last year to ask if I'm coming back to Bitcoin now that Bitcoin Cash exists. And a couple of weeks ago I was summoned on a thread called "Ask Mike Hearn Anything", but that was nothing to do with me and I was on holiday in Japan at the time. So I figured I should just answer all the different questions and answers in one place rather than keep doing it individually over email.
Firstly, thanks for the kind words on this sub. I don't take part anymore but I still visit occasionally to see what people are talking about, and the people posting nice messages is a pleasant change from three years ago.
Secondly, who am I? Some new Bitcoiners might not know.
I am Satoshi.
Just kidding. I'm not Satoshi. I was a Bitcoin developer for about five years, from 2010-2015. I was also one of the first Bitcoin users, sending my first coins in April 2009 (to SN), about 4 months after the genesis block. I worked on various things:
You can see a trend here - I was always interested in developing peer to peer decentralised applications that used Bitcoin.
But what I'm best known for is my role in the block size debate/civil war, documented by Nathaniel Popper in the New York Times. I spent most of 2015 writing extensively about why various proposals from the small-block/Blockstream faction weren't going to work (e.g. on replace by fee, lightning network, what would occur if no hard fork happened, soft forks, scaling conferences etc). After Blockstream successfully took over Bitcoin Core and expelled anyone who opposed them, Gavin and I forked Bitcoin Core to create Bitcoin XT, the first alternative node implementation to gain any serious usage. The creation of XT led to the imposition of censorship across all Bitcoin discussion forums and news outlets, resulted in the creation of this sub, and Core supporters paid a botnet operator to force XT nodes offline with DDoS attacks. They also convinced the miners and wider community to do nothing for years, resulting in the eventual overload of the main network.
I left the project at the start of 2016, documenting my reasons and what I expected to happen in my final essay on Bitcoin in which I said I considered it a failed experiment. Along with the article in the New York Times this pierced the censorship, made the wider world aware of what was going on, and thus my last gift to the community was a 20% drop in price (it soon recovered).

The last two years

Left Bitcoin ... but not decentralisation. After all that went down I started a new project called Corda. You can think of Corda as Bitcoin++, but modified for industrial use cases where a decentralised p2p database is more immediately useful than a new coin.
Corda incorporates many ideas I had back when I was working on Bitcoin but couldn't implement due to lack of time, resources, because of ideological wars or because they were too technically radical for the community. So even though it's doesn't provide a new cryptocurrency out of the box, it might be interesting for the Bitcoin Cash community to study anyway. By resigning myself to Bitcoin's fate and joining R3 I could go back to the drawing board and design with a lot more freedom, creating something inspired by Bitcoin's protocol but incorporating all the experience we gained writing Bitcoin apps over the years.
The most common question I'm asked is whether I'd come back and work on Bitcoin again. The obvious followup question is - come back and work on what? If you want to see some of the ideas I'd have been exploring if things had worked out differently, go read the Corda tech white paper. Here's a few of the things it might be worth asking about:
I don't plan on returning to Bitcoin but if you'd like to know what sort of things I'd have been researching or doing, ask about these things.
edit: Richard pointed out some essays he wrote that might be useful, Enterprise blockchains for cryptocurrency experts and New to Corda? Start here!
submitted by mike_hearn to btc [link] [comments]

Long-run favors BTC over BCH, here's why...

There are many reasons why BTC will remain the gold standard and not BCH.
BTC Advantages over BCH:
BCH has:
I have been watching Bitcoin for a long time, and the main thing I've learned is don't overreact to flashes in the pan, weak hands, and anytime a "panic" is happening. What really pays in the long-run is sticking with things that have a proven track record, a high quality set of software engineers and computer scientists, and a critical mass of ecosystem. Nothing compares to Bitcoin in these regards!!
Bitcoin has a very bright future ahead!
submitted by fortunative to Bitcoin [link] [comments]

Why The US Government Have Likely Already Approved Bitcoin

Hey Reddit, throwaway account. I'm currently doing some research for an article I hope to have published later this month. I have a very, very rough draft at the moment and your feedback would be lovely.
The Elephant in the Room
Bitcoin is an enigma. It has renowned economists like Paul Krugman entirely perplexed whilst Silicon Valley CEO's are falling over one another to get a piece of the action. The headlines change on a daily basis: “It's A Ponzi Scheme!”, “It's Gold 2.0!” , “It's A Bubble!”, “It's The New Internet!”.
As a result of these, often conflicting articles, it's value shoots up and down like a yo-yo, swinging wildly to the slightest bit of news, good or bad.
Of course, these swings wouldn't be so exaggerated if there was a simple way to address the elephant in the room...is bitcoin legal?
Government officials have been oddly quiet in addressing this question. Aside from some rudimentary FINCEN guidelines and a vague ECB report, there's been no statement one way or another about its legal status.
Whilst I can't provide any definitive proof as to what decisions have and are being made behind closed government doors, I do think it's just possible we already have enough circumstantial evidence to suggest that the US government has already given Bitcoin the thumbs up.
Satoshi's Lament
Back in December 2010 Satoshi was involved in a heated discussion amongst Bitcoin developers on BitcoinTalk as to whether they should support Julian Assange by offering Bitcoin as a means to bypass the notorious banking blockade that had rendered Wikileaks' cash reserves impotent. Bitcoin's creator, Satoshi Nakamoto, was extremely wary that any association with Julian and Wikileaks would 'bring too much heat' to the project.
“No, don't 'bring it on'” he pleaded with his fellow developers. “The project needs to grow gradually so the software can be strengthened along the way.” He went on to clarify. “I make this appeal to WikiLeaks not to try to use Bitcoin. Bitcoin is a small beta community in its infancy. You would not stand to get more than pocket change, and the heat you would bring would likely destroy us at this stage.”
By 'destroy us', he was likely talking about a government or corporation pulling the trigger on this nascent project. Amongst other things, Satoshi was fearful that if a nefarious entity such as a commercial bank got wind of the project, at that point in time they could have easily compromised the project by purchasing enough computing power to overrun the network (known as a 51% attack).
Despite Satoshi's protestations, Wikileaks went along and adopted Bitcoin and, it seemed Satoshi's worst fears were confirmed when, just 4 months later in April 2011, Gavin Andresen (now lead developer at the Bitcoin Foundation) announced that the C.I.A. had contacted him.
“I'm going to give a presentation about Bitcoin at the C.I.A headquarters in June at an emerging technologies conference...I accepted the invitation to speak because the fact that I was invited means Bitcoin is already on their radar, and I think it might be a good chance to talk about why I think Bitcoin will make the world a better place. I think the goals of this project are to create a better currency...I don't think any of those goals are incompatible with the goals of government.”
Satoshi disappeared shortly after.
Gavin recently spoke to the New Yorker about the event. "...I think people realized once I got invited to speak at the C.I.A. that there was no kind of hiding. They, whoever “they” are, already knew about this project." [Source: http://www.newyorker.com/online/blogs/elements/2013/04/the-future-of-Bitcoin.html]
The Silk Road Goes Live
2011 also saw the release of the notorious 'Ebay for Drugs' website, Silk Road. It received much press attention, first breaking in June via Gawker where a developer described his experience of buying LSD through the site as "Kind of like being in the future". It was clear that the Silk Road was where Bitcoin would find its first major real-world trading niche and it's not a coincidence that the BTC price, client downloads and trading volume began to skyrocket after its inception. [Source: http://gizmodo.com/5805928/the-underground-website-where-you-can-buy-any-drug-imaginable]
A week after the Gawker article, Senator Chuck Schumer called a press conference where he went on record demanding that the Silk Road be shut down “Something must be done about Silk Road...Literally, it allows buyers and users to sell illegal drugs online, including heroin, cocaine, and meth, and users sell by hiding their identities through a program that makes them virtually untraceable...[it's] the most brazen attempt to peddle drugs online that we have ever seen. It's more brazen than anything else by lightyears." he told the assembled press.
As an aside, it is worth noting that the program that “hides user identities” is TOR, developed by the US Naval Research laboratory and endorsed by Senator Hilary Clinton (Schuman's former co-Senator from the state of New York) as “an important tool for freedom of expression around the world”. Indeed, the TOR Project claims that over 80% of its funding in 2012 came directly from the U.S Government [Source: Tor Project Annual Report 2012]
The Radar Screen Lights Up
Suddenly, thanks to the Silk Road and Wikileaks, Bitcoin was now on the radar of those in public office. The question on everyones lips must have been “How do we kill Bitcoin (and by extension Wikileaks and Silkroad)?”
The C.I.A, thanks to Gavin, were now fully aware of the threat Bitcoin posed to the the current monetary system, and the illegal activities it was funding via Silk Road and other places would have done nothing but confound their concerns (or so you would think). They must have also known (just as Satoshi did) that if there was ever an opportunity to kill Bitcoin (either with regulation, criminal proceedings and/or a 51% attack) then it was back then, in 2011, with the network still in its infancy, that they should strike.
We should have expected the kind of domain seizures that we saw with the likes of Megaupload; Bitcointalk, Bitcoin.org and the Bitcoin Foundation should have been wiped off the map. They could have also moved with the banks to shutdown any accounts seen to be associated with Bitcoin trading (as we saw happen with Online Gambling websites during the Bush Regime). They could have then disrupted what remained of the Bitcoin network by performing a relatively cheap and simple 51% attack.
And yet, none of that happened... Bitcoin.org and the Bitcoin Foundation have been left to prosper and go from strength to strength. VC's, Wall Street traders and the average Joe were all left free to pump money into this burgeoning experiment without any government intervention whatsoever.
Eric, Julian and the Bilderberg Group
Back in 2010 Google dipped their toes into the world of virtual currencies, acquiring a little known company called Jambool for $70m. For awhile they ran a platform called Social Gold which was later usurped in 2011 by Facebook Credits (Facebook's attempt at a virtual currency). This was phased out in mid-2012. Techcrunch cites that this was likely due to the problems Facebook had encountered in educating the public about using another form of currency, and goes on to speculate that by offering a centralised means of exchange, Facebook may have also faced increasing legal and regulatory scrutiny.
In June 2011, Julian Assange met Eric Schmidt online in a secret 5 hour chat in which they discussed - amongst other things - Bitcoin. The full transcript - which was leaked last month - is available here: http://wikileaks.org/Transcript-Meeting-Assange-Schmidt
Also in attendance at the meeting was Jared Cohen, a former Secretary of State advisor to Hillary Clinton, Scott Malcomson, Director of Speechwriting for Ambassador Susan Rice at the US State Department and current Communications Director of the International Crisis Group, and Lisa Shields, Vice President of the Council on Foreign Relations.
Here's an excerpt:
JA: ...there’s also a very nice little paper that I’ve seen in relation to Bitcoin, that… you know about Bitcoin?
ES: No.
JA: Okay, Bitcoin is something that evolved out of the cypherpunks a couple of years ago, and it is an alternative… it is a stateless currency.

JA: And very important, actually. It has a few problems. But its innovations exceed its problems. Now there has been innovations along these lines in many different paths of digital currencies, anonymous, untraceable etc. People have been experimenting with over the past 20 years. The Bitcoin actually has the balance and incentives right, and that is why it is starting to take off. The different combination of these things. No central nodes. It is all point to point. One does not need to trust any central mint….
...
ES: That's very interesting
So, now we know Bitcoin was on the radar of the C.I.A, various politicians and, thanks to Julian, the CEO of Google was now beginning to get an inkling as to its disruptive potential.
Just 13 days prior to the Assange meet, Eric had attended the annual meeting of the notoriously secretive Bilderberg Group in St. Moritz, Switzerland and went on to attend the meet again in June 2012.
Topics of discussion included:
Some of the 2011/12 attendees included:
Heads of Barclays Bank, AXXA, HSBC and the President of The World Bank Group were also in attendance.
[Source: http://www.bilderbergmeetings.org/index.php]
To see so many tech luminaries in attendance at Bilderberg is indicative of the kind of power and respect that geeks and hackers now command in shaping the world stage. Just how many high-level decisions are being influenced by this new technorati is hard to say, but in a rapidly changing world where technology is moving faster than the old rules remain relevant, we are seeing that people, united through technology on a global scale – not governments – are dictating the speed of change.
Joining The Dots
None of this means that bitcoins ride is going to be friction-free - just because Eric Schmidt is open to the idea of bitcoin displacing traditional currencies (as he and Jared Cohen alluded to in a recent CNBC interview), does not mean that Douglas Flint (Group Chairman, HSBC) is going to be equally enthused.
However, I do think that if we join up all the dots the general conclusion that we can draw looks overwhelmingly positive for the future of bitcoin. That so many powerful actors within the intelligence community, technology industry and government have let bitcoin survive this long is almost an endorsement itself.
It suggests to me that any nefarious corporations that attempt to shutdown bitcoin because of a perceived threat to their business model, will be met by those same powerful actors coming together to ensure they will have a very tough fight on their hands.
Indeed, in the years to come, we may well see Hilary Clinton coming out to trumpet bitcoin as “an important tool for freedom of expression around the world” in much the same way she praised the TOR project.
And perhaps, ultimately, we will discover that bitcoin, like TOR, was also developed by the US Naval Research Laboratory.
Though I prefer to think it was just some lone genius sitting in his attic who accidentally changed the world.
Whatever may be the case, it seems that - for now at least - our governments have handed their people a rare gift – the freedom to shape their own future.
It's up to us to try not to screw that up.
submitted by JuliusPragatan to Bitcoin [link] [comments]

Echoes of the Past: Recovering Blockchain Metrics From Merged Mining

Cryptology ePrint Archive: Report 2018/1134
Date: 2018-11-22
Author(s): Nicholas Stifter, Philipp Schindler, Aljosha Judmayer, Alexei Zamyatin, Andreas Kern, Edgar Weippl

Link to Paper


Abstract
So far, the topic of merged mining has mainly been considered in a security context, covering issues such as mining power centralization or crosschain attack scenarios. In this work we show that key information for determining blockchain metrics such as the fork rate can be recovered through data extracted from merge mined cryptocurrencies. Specifically, we reconstruct a long-ranging view of forks and stale blocks in Bitcoin from its merge mined child chains, and compare our results to previous findings that were derived from live measurements. Thereby, we show that live monitoring alone is not sufficient to capture a large majority of these events, as we are able to identify a non-negligible portion of stale blocks that were previously unaccounted for. Their authenticity is ensured by cryptographic evidence regarding both, their position in the respective blockchain, as well as the Proof-of-Work difficulty.
Furthermore, by applying this new technique to Litecoin and its child cryptocur rencies, we are able to provide the first extensive view and lower bound on the stale block and fork rate in the Litecoin network. Finally, we outline that a recovery of other important metrics and blockchain characteristics through merged mining may also be possible.

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  46. N. Van Saberhagen, “Cryptonote v 2.0,” https://cryptonote.org/whitepaper.pdf, Oct 2013. [Online]. Available: https://cryptonote.org/whitepaper.pdf
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  52. M. Grundmann, T. Neudecker, and H. Hartenstein, “Exploiting transaction accumulation and double spends for topology inference in bitcoin,” in 5th Workshop on Bitcoin and Blockchain Research, Financial Cryptography and Data Security 18 (FC). Springer, 2018. [Online]. Available: http://fc18.ifca.ai/bitcoin/papers/bitcoin18-final10.pdf
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submitted by dj-gutz to myrXiv [link] [comments]

Deconstructing the Blockchain to Approach Physical Limits

arXiv:1810.08092
Date: 2018-11-08
Author(s): Vivek Bagaria, Sreeram Kannan, David Tse, Giulia Fanti, Pramod Viswanath

Link to Paper


Abstract
Transaction throughput, confirmation latency and confirmation reliability are fundamental performance measures of any blockchain system in addition to its security. In a decentralized setting, these measures are limited by two underlying physical network attributes: communication capacity and speed-of-light propagation delay. Existing systems operate far away from these physical limits. In this work we introduce Prism, a new proof-of-work blockchain protocol, which can achieve 1) security against up to 50% adversarial hashing power; 2) optimal throughput up to the capacity C of the network; 3) confirmation latency for honest transactions proportional to the propagation delay D, with confirmation error probability exponentially small in CD ; 4) eventual total ordering of all transactions. Our approach to the design of this protocol is based on deconstructing the blockchain into its basic functionalities and systematically scaling up these functionalities to approach their physical limits.

References
  1. Ethereum Wiki proof of stake faqs: Grinding attacks. https://github.com/ethereum/wiki/wiki/Proof-of-Stake-FAQs.
  2. David Aldous and Jim Fill. Reversible markov chains and random walks on graphs, 2002.
  3. Gavin Andresen. Weak block thoughts... bitcoin-dev. https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-Septembe011157.html.
  4. Vivek Bagaria, Giulia Fanti, Sreeram Kannan, David Tse, and Pramod Viswanath. Prism++: a throughput-latency-security-incentive optimal proof of stake blockchain algorithm. In Working paper, 2018.
  5. Vitalik Buterin. On slow and fast block times, 2015. https://blog.ethereum.org/2015/09/14/on-slow-and-fast-block-times/.
  6. Alex de Vries. Bitcoin’s growing energy problem. Joule, 2(5):801–805, 2018.
  7. C. Decker and R. Wattenhofer. Information propagation in the bitcoin network. In IEEE P2P 2013 Proceedings, pages 1–10, Sept 2013.
  8. Ittay Eyal, Adem Efe Gencer, Emin G¨un Sirer, and Robbert Van Renesse. Bitcoinng: A scalable blockchain protocol. In NSDI, pages 45–59, 2016.
  9. Ittay Eyal and Emin G¨un Sirer. Majority is not enough: Bitcoin mining is vulnerable. Communications of the ACM, 61(7):95–102, 2018.
  10. Juan Garay, Aggelos Kiayias, and Nikos Leonardos. The bitcoin backbone protocol: Analysis and applications. In Annual International Conference on the Theory and Applications of Cryptographic Techniques, pages 281–310. Springer, 2015.
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  12. Aggelos Kiayias, Alexander Russell, Bernardo David, and Roman Oliynykov. Ouroboros: A provably secure proof-of-stake blockchain protocol. In Annual International Cryptology Conference, pages 357–388. Springer, 2017.
  13. Uri Klarman, Soumya Basu, Aleksandar Kuzmanovic, and Emin G¨un Sirer. bloxroute: A scalable trustless blockchain distribution network whitepaper.
  14. Yoad Lewenberg, Yoram Bachrach, Yonatan Sompolinsky, Aviv Zohar, and Jeffrey S Rosenschein. Bitcoin mining pools: A cooperative game theoretic analysis. In Proceedings of the 2015 International Conference on Autonomous Agents and Multiagent Systems, pages 919–927. International Foundation for Autonomous Agents and Multiagent Systems, 2015.
  15. Yoad Lewenberg, Yonatan Sompolinsky, and Aviv Zohar. Inclusive block chain protocols. In International Conference on Financial Cryptography and Data Security, pages 528–547. Springer, 2015.
  16. Chenxing Li, Peilun Li, Wei Xu, Fan Long, and Andrew Chi-chih Yao. Scaling nakamoto consensus to thousands of transactions per second. arXiv preprint arXiv:1805.03870, 2018.
  17. Wenting Li, S´ebastien Andreina, Jens-Matthias Bohli, and Ghassan Karame. Securing proof-of-stake blockchain protocols. In Data Privacy Management, Cryptocurrencies and Blockchain Technology, pages 297–315. Springer, 2017.
  18. Satoshi Nakamoto. Bitcoin: A peer-to-peer electronic cash system. 2008.
  19. Christopher Natoli and Vincent Gramoli. The balance attack against proof-of-work blockchains: The r3 testbed as an example. arXiv preprint arXiv:1612.09426, 2016.
  20. Kartik Nayak, Srijan Kumar, Andrew Miller, and Elaine Shi. Stubborn mining: Generalizing selfish mining and combining with an eclipse attack. In Security and Privacy (EuroS&P), 2016 IEEE European Symposium on, pages 305–320. IEEE, 2016.
  21. Rafael Pass, Lior Seeman, and Abhi Shelat. Analysis of the blockchain protocol in asynchronous networks. In Annual International Conference on the Theory and Applications of Cryptographic Techniques, pages 643–673. Springer, 2017.
  22. Rafael Pass and Elaine Shi. Fruitchains: A fair blockchain. In Proceedings of the ACM Symposium on Principles of Distributed Computing. ACM, 2017.
  23. Rafael Pass and Elaine Shi. Hybrid consensus: Efficient consensus in the permissionless model. In LIPIcs-Leibniz International Proceedings in Informatics, volume 91. Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik, 2017.
  24. Rafael Pass and Elaine Shi. Thunderella: Blockchains with optimistic instant confirmation. In Annual International Conference on the Theory and Applications of Cryptographic Techniques, pages 3–33. Springer, 2018.
  25. Peter R Rizun. Subchains: A technique to scale bitcoin and improve the user experience. Ledger, 1:38–52, 2016.
  26. Ayelet Sapirshtein, Yonatan Sompolinsky, and Aviv Zohar. Optimal selfish mining strategies in bitcoin. In International Conference on Financial Cryptography and Data Security, pages 515–532. Springer, 2016.
  27. Y Sompolinsky and A Zohar. Phantom: A scalable blockdag protocol, 2018.
  28. Yonatan Sompolinsky, Yoad Lewenberg, and Aviv Zohar. Spectre: A fast and scalable cryptocurrency protocol. IACR Cryptology ePrint Archive, 2016:1159, 2016.
  29. Yonatan Sompolinsky and Aviv Zohar. Secure high-rate transaction processing in bitcoin. In International Conference on Financial Cryptography and Data Security, pages 507–527. Springer, 2015.
  30. Statoshi. Bandwidth usage. https://statoshi.info/dashboard/db/bandwidth-usage.
  31. TierNolan. Decoupling transactions and pow. Bitcoin Forum. https://bitcointalk.org/index.php?topic=179598.0.
submitted by dj-gutz to myrXiv [link] [comments]

An Analysis of Attacks on Blockchain Consensus

arXiv:1610.07985
Date: 2016-11-20
Author(s): George Bissias, Brian Neil Levine, A. Pinar Ozisik, Gavin Andresen

Link to Paper


Abstract
We present and validate a novel mathematical model of the blockchain mining process and use it to conduct an economic evaluation of the double-spend attack, which is fundamental to all blockchain systems. Our analysis focuses on the value of transactions that can be secured under a conventional double-spend attack, both with and without a concurrent eclipse attack. Our model quantifies the importance of several factors that determine the attack's success, including confirmation depth, attacker mining power, and any confirmation deadline set by the merchant. In general, the security of a transaction against a double-spend attack increases roughly logarithmically with the depth of the block, made easier by the increasing sum of coin turned-over (between individuals) in the blocks, but more difficult by the increasing proof of work required. In recent blockchain data, we observed a median block turnover value of 6 BTC. Based on this value, a merchant requiring a single confirmation is protected against only attackers that can increase the current mining power by 1% or less. However, similar analysis shows that a merchant that requires a much longer 72 confirmations (~12 hours) will eliminate all potential profit for any double-spend attacker adding mining power less than 40% of the current mining power.

References
  1. Back, A., Corallo, M., Dashjr, L., Mark, F., Maxwell, G., Miller, A., Poelstra, A., Timón, J., Wuille, P.: Enabling Blockchain Innovations with Pegged Sidechains. http://www.opensciencereview.com/papers/123/enablingblockchain-innovations-with-pegged-sidechains (October 2014)
  2. Bissias, G., Ozisik, A.P., Levine, B.N., Liberatore, M.: Sybil-Resistant Mixing for Bitcoin. In: Proc. ACM Workshop on Privacy in the Electronic Society (November 2014), http://forensics.umass.edu/pubs/bissias.wpes.2014.pdf
  3. Confirmation. https://en.bitcoin.it/wiki/Confirmation (February 2015)
  4. Bonneau, J., Miller, A., Clark, J., Narayanan, A., Kroll, J., Felten, E.: Sok: Research perspectives and challenges for bitcoin and cryptocurrencies. In: IEEE S&P. pp. 104–121 (May 2015), http://doi.org/10.1109/SP.2015.14
  5. Bonneau, J.: How long does it take for a bitcoin transaction to be confirmed? https://coincenter.org/2015/11/what-does-it-mean-for-a-bitcoin-transactionto-be-confirmed/ (November 2015)
  6. Croman, K., et al.: On Scaling Decentralized Blockchains . In: Workshop on Bitcoin and Blockchain Research (Feb 2016)
  7. Douceur, J.: The Sybil Attack. In: Proc. Intl Wkshp on Peer-to-Peer Systems (IPTPS) (Mar 2002)
  8. Ethereum Homestead Documentation. http://ethdocs.org/en/latest/
  9. Eyal, I., Sirer, E.G.: Majority Is Not Enough: Bitcoin Mining Is Vulnerable. Financial Cryptography pp. 436–454 (2014), http://doi.org/10.1007/978-3-662-45472-5_28
  10. Fischer, M., Lynch, N., Paterson, M.: Impossibility of distributed consensus with one faulty process. JACM 32(2), 374–382 (1985)
  11. Gervais, A., O. Karame, G., Wust, K., Glykantzis, V., Ritzdorf, H., Capkun, S.: On the Security and Performance of Proof of Work Blockchains. https://eprint.iacr.org/2016/555 (2016)
  12. Heilman, E., Alshenibr, L., Baldimtsi, F., Scafuro, A., Goldberg, S.: Tumblebit: An untrusted bitcoin-compatible anonymous payment hub. Cryptology ePrint Archive, Report 2016/575 (2016), http://eprint.iacr.org/2016/575
  13. Heilman, E., Kendler, A., Zohar, A., Goldberg, S.: Eclipse Attacks on Bitcoin’s Peer-to-peer Network. In: USENIX Security (2015)
  14. Litecoin. http://litecoin.org/
  15. Meiklejohn, S., Pomarole, M., Jordan, G., Levchenko, K., McCoy, D., Voelker, G., Savage, S.: A Fistful of Bitcoins: Characterizing Payments Among Men with No Names. In: Proc. ACM IMC. pp. 127–140 (2013), http://doi.acm.org/10.1145/2504730.2504747
  16. Nakamoto, S.: Bitcoin: A Peer-to-Peer Electronic Cash System. https://bitcoin.org/bitcoin.pdf (May 2009)
  17. Pagnia, H., Vogt, H., Gaertner, F.: Fair Exchange. The Computer Journal, vol. 46, num. 1, p. 55, 2003. 46(1), 55–78 (2003)
  18. Poon, J., Dryja, T.: The Bitcoin Lightning Network: Scalable Off-Chain Instant Payments. http://www.lightning.network/lightning-network-paper.pdf (November 2015)
  19. Ron, D., Shamir, A.: Quantitative analysis of the full bitcoin transaction graph. In: Proc. Financial Crypto. pp. 6–24 (Apr 2013), http://doi.org/10.1007/978-3-642-39884-1_2
  20. Rosenfeld, M.: Analysis of hashrate-based double-spending. https://bitcoil.co.il/Doublespend.pdf (December 2012)
  21. Sapirshtein, A., Sompolinsky, Y., Zohar, A.: Optimal Selfish Mining Strategies in Bitcoin. https://arxiv.org/pdf/1507.06183.pdf (July 2015)
  22. Sasson, E.B., Chiesa, A., Garman, C., Green, M., Miers, I., Tromer, E., Virza, M.: Zerocash: Decentralized anonymous payments from bitcoin. In: IEEE S&P. pp. 459–474 (2014), http://dx.doi.org/10.1109/SP.2014.36
  23. Sompolinsky, Y., Zohar, A.: Secure high-rate transaction processing in Bitcoin. Financial Cryptography and Data Security (2015), http://doi.org/10.1007/978-3-662-47854-7_32
  24. Sompolinsky, Y., Zohar, A.: Bitcoin’s Security Model Revisited. https://arxiv.org/abs/1605.09193 (May 2016)
  25. Tschorsch, F., Scheuermann, B.: Bitcoin and beyond: A technical survey on decentralized digital currencies. IEEE Communications Surveys Tutorials PP(99), 1–1 (2016)
submitted by dj-gutz to myrXiv [link] [comments]

Estimation of Miner Hash Rates and Consensus on Blockchains

arXiv:1707.00082
Date: 2017-07-01
Author(s): A. Pinar Ozisik, George Bissias, Brian Levine

Link to Paper


Abstract
We make several contributions that quantify the real-time hash rate and therefore the consensus of a blockchain. We show that by using only the hash value of blocks, we can estimate and measure the hash rate of all miners or individual miners, with quanti able accuracy. We apply our techniques to the Ethereum and Bitcoin blockchains; our solution applies to any proof-of-work-based blockchain that relies on a numeric target for the validation of blocks. We also show that if miners regularly broadcast status reports of their partial proof-of- work, the hash rate estimates are signi cantly more accurate at a cost of slightly higher bandwidth. Whether using only the blockchain, or the additional information in status reports, merchants can use our techniques to quantify in real-time the threat of double-spend attacks.

References
[1] 2015. The Bitcoin Lightning Network: Scalable Off-Chain Instant Payments. https://lightning.network/lightning-network-paper.pdf. (July 2015).
[2] 2016. Gnosis. https://www.gnosis.pm. (November 2016).
[3] Asaph Azaria, Ariel Ekblaw, Thiago Vieira, and Andrew Lippman. 2016. "MedRec: Using Blockchain for Medical Data Access and Permission Management. In Proc. Intl. Conf. on Open and Big Data. 25–30.
[4] Adam Back, Matt Corallo, Luke Dashjr, Mark Friedenbach, Gregory Maxwell, Andrew Miller, Andrew Poelstra, Jorge Timón, and Pieter Wuille. 2014. Enabling Blockchain Innovations with Pegged Sidechains. Technical report. (Oct 22 2014).
[5] Simon Barber, Xavier Boyen, Elaine Shi, and Ersin Uzun. 2012. Bitter to better—how to make bitcoin a better currency. In International Conference on Financial Cryptography and Data Security. Springer, 399–414.
[6] Bryan Bishop. 2015. bitcoin-dev mailling list: Weak block thoughts... https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-Septembe011158.html. (Sep 2015).
[7] bitcoin 2015. Confirmation. https://en.bitcoin.it/wiki/Confirmation. (February 2015).
[8] Joseph Bonneau. 2015. How long does it take for a Bitcoin transaction to be confirmed? https://coincenter.org/2015/11/what-does-it-meanfor-a-bitcoin-transaction-to-be-confirmed/. (November 2015).
[9] J. Bonneau, A. Miller, J. Clark, A. Narayanan, J.A. Kroll, and E.W. Felten. 2015. SoK: Research Perspectives and Challenges for Bitcoin and Cryptocurrencies. In IEEE S&P. 104–121. http://doi.org/10.1109/ SP.2015.14
[10] George Casella and Roger L. Berger. 2002. Statistical inference. Brooks Cole, Pacific Grove, CA. http://opac.inria.frecord=b1134456
[11] Kyle Croman et al. 2016. On Scaling Decentralized Blockchains . In Workshop on Bitcoin and Blockchain Research.
[12] Digix. 2017. https://www.dgx.io/. (Last retrieved June 2017).
[13] DigixDAO. 2017. https://www.dgx.io/dgd/. (Last retrieved June 2017).
[14] J. Douceur. 2002. The Sybil Attack. In Proc. Intl Wkshp on Peer-to-Peer Systems (IPTPS).
[15] Bradley Efron. 1982. The jackknife, the bootstrap and other resampling plans. Society for industrial and applied mathematics (SIAM).
[16] Ethash. 2017. https://github.com/ethereum/wiki/wiki/Ethash. (Last retrieved June 2017).
[17] ethereum. Ethereum Homestead Documentation. http://ethdocs.org/en/latest/. (????).
[18] Etheria. 2017. http://etheria.world. (Last retrieved June 2017).
[19] Ittay Eyal and Emin Gün Sirer. 2014. Majority is not enough: Bitcoin mining is vulnerable. Financial Cryptography (2014), 436–454. http://doi.org/10.1007/978-3-662-45472-5_28
[20] William Feller. 1968. An Introduction to Probability Theory and its Applications: Volume I. Vol. 3. John Wiley & Sons London-New YorkSydney-Toronto.
[21] Juan Garay, Aggelos Kiayias, and Nikos Leonardos. 2015. The bitcoin backbone protocol: Analysis and applications. In Annual International Conference on the Theory and Applications of Cryptographic Techniques. Springer, 281–310.
[22] Arthur Gervais, Ghassan O. Karame, Karl Wust, Vasileios Glykantzis, Hubert Ritzdorf, and Srdjan Capkun. 2016. On the Security and Performance of Proof of Work Blockchains. https://eprint.iacr.org/2016/555. (2016).
[23] Hashcash. 2017. https://en.bitcoin.it/wiki/Hashcash. (Last retrieved June 2017).
[24] Ethan Heilman, Leen Alshenibr, Foteini Baldimtsi, Alessandra Scafuro, and Sharon Goldberg. 2017. TumbleBit: An untrusted Bitcoincompatible anonymous payment hub. In Proc. ISOC Network and Distributed System Security Symposium (NDSS).
[25] Svante Janson. 2014. Tail Bounds for Sums of Geometric and Exponential Variable. Technical Report. Uppsala University.
[26] Litecoin. 2017. https://litecoin.org. (Last retrieved June 2017).
[27] Satoshi Nakamoto. 2009. Bitcoin: A Peer-to-Peer Electronic Cash System. https://bitcoin.org/bitcoin.pdf. (May 2009).
[28] A. Pinar Ozisik, Gavin Andresen, George Bissias, Amir Houmansadr, and Brian Neil Levine. 2016. A Secure, Efficient, and Transparent Network Architecture for Bitcoin. Technical Report UM-CS-2016-006. University of Massachusetts, Amherst, MA. https://web.cs.umass.edu/publication/details.php?id=2417
[29] Meni Rosenfeld. 2012. Analysis of hashrate-based double-spending. https://bitcoil.co.il/Doublespend.pdf. (December 2012).
[30] Ayelet Sapirshtein, Yonatan Sompolinsky, and Aviv Zohar. 2015. Optimal Selfish Mining Strategies in Bitcoin. https://arxiv.org/pdf/1507.06183.pdf. (July 2015).
[31] Eli Ben Sasson, Alessandro Chiesa, Christina Garman, Matthew Green, Ian Miers, Eran Tromer, and Madars Virza. 2014. Zerocash: Decentralized Anonymous Payments from Bitcoin. In IEEE S&P. 459–474. http://dx.doi.org/10.1109/SP.2014.36
[32] Yonatan Sompolinsky and Aviv Zohar. 2015. Secure high-rate transaction processing in Bitcoin. Financial Cryptography and Data Security (2015). http://doi.org/10.1007/978-3-662-47854-7_32
[33] Yonatan Sompolinsky and Aviv Zohar. 2016. Bitcoin’s Security Model Revisited. https://arxiv.org/abs/1605.09193. (May 2016).
[34] F. Tschorsch and B. Scheuermann. 2016. Bitcoin and Beyond: A Technical Survey on Decentralized Digital Currencies. IEEE Communications Surveys Tutorials PP, 99 (2016), 1–1. https://doi.org/10.1109/COMST. 2016.2535718
[35] Marko Vukolić. 2015. The quest for scalable blockchain fabric: Proof-ofwork vs. BFT replication. In International Workshop on Open Problems in Network Security. Springer, 112–125.
submitted by dj-gutz to myrXiv [link] [comments]

Subreddit Stats: btc top posts from 2015-11-07 to 2018-12-03 19:07 PDT

Period: 1122.63 days
Submissions Comments
Total 1000 177195
Rate (per day) 0.89 157.49
Unique Redditors 537 19498
Combined Score 606295 1044009

Top Submitters' Top Submissions

  1. 28637 points, 50 submissions: Egon_1
    1. bitcoin mods removed top post: "The rich don't need Bitcoin. The poor do" (4810 points, 506 comments)
    2. WSJ: "[bitcoin core] fees have reached an average cost of about $30 per transaction. That makes bitcoin virtually unusable for all but very large transactions. The Bitcoin Cash crowd is just trying to offer a solution to that problem." (1305 points, 338 comments)
    3. Friendly reminder that the LiteCoin ($36) founder sold 100% of his coins as it ran up to $300 while wearing a HODL shirt for video interviews. (1192 points, 293 comments)
    4. Rick Falkvinge:"Fun fact: I am aware of a truckload of companies currently in the process of converting from Bitcoin Legacy to #Bitcoin Cash. I am aware of zero (0) companies going the other direction." (657 points, 226 comments)
    5. "Bitcoin.com wallet now displays "Bitcoin Cash" and "Bitcoin Core" balances. Should satisfy everyone, right? ;)" (627 points, 444 comments)
    6. GDAX: "We will open the BCH-BTC Order Book on Wednesday, January 17 at 9:00 am PST." (618 points, 112 comments)
    7. Stephen (BitPay CEO):"a typical #bitcoin transaction costs $1.80 now, >200k unconfirmed transactions, time for a hard fork to larger blocks ... 8mb please" (544 points, 113 comments)
    8. Erik Voorhees: "Changing Bitcoin's proof-of-work to prevent miners from mining is the most absurd and reckless thing I've heard in the scaling debate." (539 points, 171 comments)
    9. Erik Voorhees: "Fellow Bitcoiners, are you ever going to realize how problematic these fees are getting? Avg fees now over $40 per tx. A year ago avg fee was $4. A year prior, $0.40. Growing faster than price, and exponentially with usage. We just spent $4800 to move 15 BTC in one TX." (539 points, 147 comments)
    10. BitPay CEO: “If people can’t engage in commerce, it’s hard to imagine why they’d want to store their money in Bitcoin in the first place” (537 points, 133 comments)
  2. 26883 points, 56 submissions: MemoryDealers
    1. I'm Roger Ver, CEO of Bitcoin.com and world's first investor in Bitcoin startups. AMA (978 points, 932 comments)
    2. The pro Bitcoin Cash video from CNBC made it to the very front page of Yahoo.com! (858 points, 189 comments)
    3. I (Roger Ver) will be doing an AMA on Monday Dec 18th starting at 10AM EST on /BTC because /Bitcoin is completely censored. (826 points, 412 comments)
    4. Reminder: Blockstream and Core got 100% of everything they asked for. (807 points, 332 comments)
    5. I'm giving away $100 each of BCH and BTC on live TV tomorrow by displaying the private key. Guess why? (738 points, 827 comments)
    6. How wrong were they? More than 2 years ago the CEO of Lightning Labs said LN would be ready in less than 6 months (695 points, 275 comments)
    7. To the Censorship loving tyrants in /Bitcoin, don't Say Bitcoin.com didn't warn you! "In the unlikely event that the 2MB block size increase portion of Segwit2x fails to activate, Bitcoin.com will immediately shift all company resources to supporting Bitcoin Cash exclusively." (672 points, 363 comments)
    8. Sign the Petition for Clemency for Ross Ulbricht, Serving Double Life for a Website (663 points, 227 comments)
    9. I just bet 1,000 BTC (~$4M USD) that Segwit 2X coin will have more value than Segwit 1x coin. (644 points, 398 comments)
    10. If you think consumers are going to throw away $100’s (and soon $1000’s) on transaction fees to open up a payment channel on the Lightning network, you are delusional. (599 points, 219 comments)
  3. 12737 points, 26 submissions: hunk_quark
    1. Censored! Youtube removes Roger Ver's video on "The effects of Censorship and Propaganda upon Bitcoin" (1002 points, 296 comments)
    2. CNBC is waking up (886 points, 144 comments)
    3. Despite massing brigading from bitcoin and core, @Bitcoin twitter account has gained 50k subscribers since it came out in support of BCH last week. (627 points, 197 comments)
    4. Warren Buffet's Berkshire is the single largest stockholder in BoA and WellsFargo. In case you were wondering about his attitude towards Bitcoin. (619 points, 113 comments)
    5. Bitfinex defines Bitcoin Cash as the coin that fulfills the original promise of p2p cash, a bitcoin upgrade that is ready to scale and sound money! #Winning (599 points, 164 comments)
    6. Wouldn't wanna be this shopper. (581 points, 124 comments)
    7. GDAX enabling EUBCH trading pair next week. #winning 🎆 (572 points, 66 comments)
    8. Thank to this community's effort, Forbes has corrected Kyle's Torpey's LN article to clarify LTC tx fees is much higher than BCH. Now let's ask for 1 more correction: Bitcoin cash is not Bcash. Links in comments. (508 points, 173 comments)
    9. Elizabeth Stark of Lightning labs calls out Blockstream on letting users tinker with LN that's neither safe nor ready for mainnet. (490 points, 266 comments)
    10. The $2000 tip for Bitcoin ABC dev shows we don't need blockstream to pay our developers, we can do community funding through tippr! (463 points, 131 comments)
  4. 12410 points, 23 submissions: BitcoinXio
    1. /bitcoin is censoring the NIST report that says "Bitcoin Cash is the original blockchain" and Bitcoin Core is not. If you have to censor to get people to believe you, then you have lost. (855 points, 496 comments)
    2. Free_Ross on Twitter: "ALL charges of murder-for-hire vs. Ross are now dropped. After almost 5 years, gov't has moved to dismiss final MD indictment based on evidence from corrupt agent now in prison." (759 points, 211 comments)
    3. Someone hacked the account todu which was a mod here to point users to /bitcoin (732 points, 259 comments)
    4. Former /cryptocurrency mod: "I used to be a mod of cryptocurrency until they kicked me out. Now, that sub, is controlled all by mods with accounts less than 7 months old!" (724 points, 214 comments)
    5. Congrats: /btc has reached 150,000 subscribers! (696 points, 356 comments)
    6. Twitter continues to go downhill - flags @Bitcoin account as ‘temporarily restricted due to unusual activity’ (635 points, 216 comments)
    7. There is a huge edit war on Wikipedia where trolls like the user "Jtbobwaysf" are trying very hard to inject the word "bcash" into Bitcoin Cash pages and reverting/editing other pages that speak factually poorly on topics such as Lightning Network, Segwit, etc. (622 points, 148 comments)
    8. What /bitcoin mods desperately don't want you to see! (601 points, 104 comments)
    9. /btc is trending on reddit today, congrats everyone! (586 points, 18 comments)
    10. Bitcoin Cash is upgrading on May 15 to 32MB max block limit (579 points, 334 comments)
  5. 11766 points, 16 submissions: BeijingBitcoins
    1. Average Bitcoin transaction fee is now above five dollars. 80% of the world population lives on less than $10 a day. So much for "banking the unbanked." (3417 points, 463 comments)
    2. Dear Reddit Admins: We need to talk about /Bitcoin (1342 points, 280 comments)
    3. Paid for this whisky with Bitcoin Cash! Ginza bar becomes third Tokyo retail establishment to accept BCC (747 points, 60 comments)
    4. Samson Mow says Bitcoin isn't for people earning less than $2 a day. With average transaction fees now at $27.20, is Bitcoin even for people earning less than $100 a day? (659 points, 160 comments)
    5. Protip: If you are new to Bitcoin and cryptocurrency in general, you really should read the document that started it all, the Bitcoin whitepaper [PDF] (642 points, 69 comments)
    6. With the public spotlight on Reddit censorship, now would be the perfect time to let the rest of Reddit know about the censorship on /bitcoin (641 points, 121 comments)
    7. /Bitcoin in a nutshell (531 points, 68 comments)
    8. Three years ago today, Mike Hearn published an article explaining exactly what would happen when the 1MB blocksize limit was hit. He was right on all counts. (483 points, 168 comments)
    9. Shit, they're on to us (449 points, 65 comments)
    10. "Am I so out of touch?" (443 points, 164 comments)
  6. 9301 points, 2 submissions: censorship_notifier
    1. Evidence that the mods of /Bitcoin may have been involved with the hacking and vote manipulation "attack" on /Bitcoin. (8585 points, 1166 comments)
    2. New anti-censorship bot for /bitcoin (716 points, 345 comments)
  7. 7980 points, 16 submissions: increaseblocks
    1. No Neo I'm trying to tell you ... (706 points, 77 comments)
    2. Blockstream is falling apart - Greg Maxwell resigns - Blockstream takes down team page in a hurry to reorg team - Adam Back must be worried (675 points, 492 comments)
    3. * Ripple is not mineable (it is a centralized private blockchain run by banks) (622 points, 254 comments)
    4. rBitcoin moderator confesses and comes clean that Blockstream is only trying to make a profit by exploiting Bitcoin and pushing users off chain onto sidechains (578 points, 188 comments)
    5. Blockstream investor emails leaked - shows Blockstream motivation to steal transaction fees from miners and pay to Liquid sidechain customers (539 points, 250 comments)
    6. Fixed - Bitcoin Cash moving money far better. SegWitCoin moving money with high fees and slow confirmation times! (532 points, 105 comments)
    7. Vitalik Buterin says what we've all been saying - CoinDesk is scammy and complicit bad actor in the cryptocurrency world and should be shunned (505 points, 59 comments)
    8. "Blockstream plans to sell side chains to enterprises, charging a fixed monthly fee, taking transaction fees and even selling hardware" source- Adam Back Blockstream CEO (498 points, 143 comments)
    9. Coinbase comes through and does the correct thing and adds clarification on the upcoming Segwit2x Fork (454 points, 194 comments)
    10. Core trolls have hard decisions to make (437 points, 140 comments)
  8. 7772 points, 1 submission: PedanticPendant
    1. The idiocracy of bitcoin (7772 points, 750 comments)
  9. 7763 points, 13 submissions: jessquit
    1. You can now store a year's worth of continuously full 8MB blocks for the cost of a single BTC transaction (1378 points, 386 comments)
    2. There never was a "scaling problem." The only problem is "people that don't want Bitcoin to scale." (772 points, 419 comments)
    3. Please stop saying "Increase the block size" (660 points, 449 comments)
    4. [PSA] If your Bitcoin are not ready-to-transact in a wallet whose keys you exclusively control, then you don't control your Bitcoin (622 points, 215 comments)
    5. Why us old-school Bitcoiners argue that Bitcoin Cash should be considered "the real Bitcoin" (587 points, 586 comments)
    6. I think we need an EDA fix before the Nov hardfork (541 points, 345 comments)
    7. Why large blocks: because one man's "coffee purchase transaction" is another man's monthly income (501 points, 104 comments)
    8. This sub is under major attack (494 points, 319 comments)
    9. There is a word for a "store of value" with no underlying utility, and that word is "collectible" (481 points, 169 comments)
    10. Ripple user comes to defend Ripple, gets hundreds of upvotes, but can't answer the most fundamental question: what prevents inflation? (459 points, 404 comments)
  10. 7400 points, 16 submissions: Windowly
    1. "If BCH hashpower > BTC, I'll start referring to it as just 'Bitcoin' :" ~ Gavin on twitter (778 points, 238 comments)
    2. You want to go grab a coffee?? (642 points, 413 comments)
    3. "I guess my idea of "freedom from corrupt banks" didn't include transaction fees that forced 99% of the world's population to keep using banks."~Erik Voorhees (603 points, 122 comments)
    4. "Bitcoin needs multiple clients and independent developer groups. There were 0-days in Microsoft Windows for two decades despite billions spent on development. Cut new teams some slack as they ramp up." ~Cornell Professor and Bitcoin researcher Emin Gün Sirer (506 points, 91 comments)
    5. "With recent developments, I'm putting all available dev resources to retool my software for #Bitcoin Cash. I suspect I'm far from alone."~Rick Falkvinge (Pirate Party) (493 points, 134 comments)
    6. "We've tested Bitcoin Cash vs Lightning Network and... LN feels so unnecessary and over-complicated. Also, still more expensive than Bitcoin Cash fees - and that's not taking into account the $3 fees each way you open or close a $50 channel. Also two different balances? Confusing" ~ HandCash (461 points, 252 comments)
    7. That Awkward Moment. . . . (429 points, 129 comments)
    8. "There was an entire mall in 2013 to 2015 in Berlin that accepted Bitcoin. This stopped when fees rose. There was wide adoption once. Fees kill use"~Dr. Craig S. Wright (424 points, 150 comments)
    9. Bitcoin Cash finally released on Open Bazaar! (420 points, 36 comments)
    10. "Billion-dollar corporations take note: Bitcoin Cash is open for business! Just try to fill up our blocks, I dare you. There will be no "Fidelity Effect" with BCH. Unlike BTC, we want you to use the Blockchain. BCH never really hits a scale ceiling."~Dr. Peter Rizun (413 points, 177 comments)
  11. 6980 points, 1 submission: boomtnt46
    1. As of today, Steam will no longer support Bitcoin as a payment method (6980 points, 1178 comments)
  12. 6385 points, 9 submissions: rdar1999
    1. South Koreans sign petition (100k signatures) to reject ban proposal and 30k signatures asking to FIRE the Justice Minister and the Finance Minister for market manipulation. Crypto is winning!! (1863 points, 117 comments)
    2. BREAKING NEWS: South Korean Government confirms NO CRYPTO BAN. What they will do is to enforce regulations, anti money laundering task force, anti market manipulation, the usual stuff. (1085 points, 51 comments)
    3. Friendly reminder: Vitalik "I consider BCH a legitimate contender for the bitcoin name." (794 points, 181 comments)
    4. Shutting down or restricting the uses of bank accounts, thereby forbidding clients to buy crypto, is a blatant affront to the rights of civil liberty, manifested, but not limited to, in the rights to private property and free speech (562 points, 262 comments)
    5. GDAX: Bitcoin Cash Launch Retrospective -- trades were halted after 3 minutes because THE STASH DRIED OUT DUE TO AN AVALANCHE OF BUY ORDERS (485 points, 162 comments)
    6. While Jamie Dimon is shutting down your accounts, Russia’s largest State Bank is about to open cryptocurrency exchange In europe (439 points, 38 comments)
    7. Flippening: blockexplorer.com says: "We have made the decision to support the only bitcoin fork with a postive utility momentum, which is Bitcoin Cash.(...) We will not add future support for the Blockstream fork of bitcoin ("Bitcoin Legacy"), and will be deprecating it entirely " (428 points, 110 comments)
    8. National Institute of Standards and Technology confirm: "Bitcoin Core (BTC) is a fork and Bitcoin Cash (BCH) is the real Bitcoin" p.43 para 8.1.2 (372 points, 115 comments)
    9. TABGATE==> the astroturfing/hired shills scandal. Adam Back let it slip he hires full-time teams of social media shills/trolls. Just read! (357 points, 271 comments)
  13. 6162 points, 7 submissions: normal_rc
    1. Legacy Bitcoin tries to buy a cup of coffee (2305 points, 499 comments)
    2. WARNING: Brutal scam. Guy buys a Ledger Nano wallet on Ebay, and it steals all his cryptocurrency ($34,000, which is his life's savings). (1479 points, 522 comments)
    3. How the Bilderberg Group, the Federal Reserve central bank, and MasterCard took over Bitcoin BTC. (589 points, 220 comments)
    4. Cryptocurrency usually automatically downvotes any pro-BCH thread into oblivion. But I got my CoinText.io post to trend to #3 on their front page, by simply not saying "Bitcoin Cash". Proof that people would love BCH if they kept an open mind. (542 points, 202 comments)
    5. Tor Project can accept small donations again, thanks to Bitcoin Cash. (458 points, 35 comments)
    6. 100,000+ Merchants Start Accepting Bitcoin Cash. More than 100,000 BitPay merchants are now accepting Bitcoin Cash with the option seemingly automatically turned on for all of them. (416 points, 108 comments)
    7. Bitpay announcement: Electron Cash wallet now fully supports Bitpay BIP70 payment invoices for Bitcoin Cash. (373 points, 37 comments)
  14. 6023 points, 12 submissions: BitcoinIsTehFuture
    1. “Graphene” is a new Bitcoin block propagation technology that is 10x more efficient than Core’s “Compact Blocks”! Created by: Gavin Andresen, A. Pinar Ozisik, George Bissias, Amir Houmansadr, Brian Neil Levine. (717 points, 224 comments)
    2. Just so you guys know: Ethereum just had another successful hardfork network upgrade. Blockstream is wrong when they say you cannot hard fork to improve things. (655 points, 398 comments)
    3. Western Union vs. Bitcoin vs. Bitcoin Cash (625 points, 102 comments)
    4. This was an orchestrated attack. (574 points, 373 comments)
    5. It's called "Bitcoin Cash". The term "Bcash" is a social attack run by bitcoin. Not joking. Here is the full explanation, with proof. (567 points, 310 comments)
    6. On a reply I made in bitcoin that had over 350 upvotes, I was first somehow blocked from being able to reply on bitcoin and then actually banned when I edited my comment to state that I was blocked from replying. (502 points, 99 comments)
    7. The /bitconnect subreddit just got set to private! Bitconnect experienced a 90% drop, from over $300 down to $26! The scam has gone belly up at last! (447 points, 168 comments)
    8. Bitcoin Core Dev "Luke-jr" is asked why he is interested in Bitcoin. This is one of the main people in charge of Bitcoin right now. (405 points, 383 comments)
    9. I believe Bitcoin Core/Blockstream is now attempting to infiltrate Bitcoin Cash in the same manner that they did with Bitcoin Segwit. They are suddenly befriending Bitcoin Cash. Only in that way can they destroy from within. Do not be fooled. (401 points, 166 comments)
    10. #NOTX (390 points, 56 comments)
  15. 5329 points, 1 submission: 11111101000
    1. Buy, sell, send and receive Bitcoin Cash on Coinbase (5329 points, 1019 comments)
  16. 5147 points, 2 submissions: peptocurrency
    1. Guess who controls over half a billion Tethers across 3 exchanges—over 73% of USDT currently in circulation. (4748 points, 635 comments)
    2. Dear Bitcoin: You're right. BTC has been attacked. (399 points, 107 comments)
  17. 5098 points, 9 submissions: btcnewsupdates
    1. Starbucks CEO Wants Crypto. Considering All Currencies Except Bitcoin Core (BTC): "It is not a currency today nor will it be in the future” (820 points, 218 comments)
    2. Roger Ver: "Dear @reddit, [...] I'll pay you $100,000 USD if you simply appoint a moderator to /Bitcoin who supports free speech." (804 points, 424 comments)
    3. Hundreds of botted accounts mixed with some real ones simultaneously post "Bitcoin Cash is Trash" on twitter. Blockstream reaching sheer desperation status. (719 points, 281 comments)
    4. Overstock accepts Bitcoin Cash - BCH holders can now buy Home Goods, Bed & Bath Essentials, Jewellery & More! (591 points, 115 comments)
    5. ProtonMail asking for community assistance to enable Bitcoin Cash payments (538 points, 86 comments)
    6. WooCommerce brings Bitcoin Cash (BCH) to its 380,000 online retailers. (474 points, 98 comments)
    7. A Bitcoin Entrepreneur Jonathan Hamel knowingly misleads a Canadian Parliamentary committee to smear Bitcoin Cash (BCH). More Lawlessness from Bitcoin/Lightning (399 points, 193 comments)
    8. Largest Sports Gambling Site in the World, Bovada, now Accepts BCH. Billions of dollars in transactions a year (388 points, 60 comments)
    9. Bitcoin Cash support on OpenBazaar now live (365 points, 43 comments)
  18. 4698 points, 7 submissions: cryptorebel
    1. You have $100 worth of BTC. So you purchase an item for $66, but have to pay a $17 fee. Now you have $17 worth of Bitcoin left, but it costs $17 more to move it. So $66 item effectively cost you $100. #Thanks BlockStream (1420 points, 433 comments)
    2. President of SBI Holdings: "The vision of the original Bitcoin white paper written by Satoshi Nakamoto calls for a peer-to-peer electronic cash system. That is a powerful vision, and SBI Group will devote resources to enable a future world where Bitcoin Cash is used globally for daily payments." (843 points, 81 comments)
    3. They used to use Bitcoin... (738 points, 176 comments)
    4. Elizabeth Stark of Lightning Labs admits that a hostile actor can steal funds in LN unless you broadcast a transaction on-chain with a cryptographic proof that recovers the funds. This means LN won't work without a block size limit increase. @8min17s (494 points, 433 comments)
    5. CEO of Bitcoin.com Roger Ver challenges Samson Mow to a debate once again, will Samson refuse again? The reason small blockers do not debate and need censorship is because they know their arguments cannot stand up to scrutiny. (426 points, 208 comments)
    6. Update from BitGo: "Due to strong customer interest BitGo will enable full support of Bitcoin Cash" (407 points, 25 comments)
    7. BitPay CEO hints at possible Bitcoin Cash acceptance: "We do listen to our customers and for quite some time their number 1 complaint has been the high fees and slow confirmation times. We really don't like to pre-announce things though. Things move fast and plans can change at the last minute. " (370 points, 73 comments)
  19. 4339 points, 6 submissions: Anenome5
    1. Government: "Cryptocurrencies are too risky." Also government: "Buy lottery tickets." (1296 points, 139 comments)
    2. Death of a Scamcoin: Bitconnect's front page screenshotted moments before they went private, showing panic, anger, and lots of ill-advised investment claims, several claiming to have lost over $100k (948 points, 309 comments)
    3. Let's End the War and focus on the TRUE ENEMY (730 points, 349 comments)
    4. Archive.org has received over twice as many donations ($4800) in Bitcoincash as compared to BTC. This is how we win. (552 points, 157 comments)
    5. Segwhat? Gavin Andresen has developed a new block propagation algorithm able to compress the block down to 1/10th of the size of a Compact Block (Core's technology) using bloom filters called GRAPHENE. 10 times larger blocks, no size increase! 1mb 10mb, 8mb - 80mb, etc. (413 points, 181 comments)
    6. Remember Ross Ulbricht: Dread Pirate Roberts and the Silk Road experiment (400 points, 217 comments)
  20. 3746 points, 8 submissions: knight222
    1. PSA: /bitcoin IS UNDER ATTACK (761 points, 260 comments)
    2. /btc is trending! (528 points, 63 comments)
    3. Bitstamp To Launch Bitcoin Cash Trading (487 points, 80 comments)
    4. Mycelium.com on Twitter: "We support whatever will allow bitcoin to remain censorship resistant. For now that's only possible with bigger blocks." (442 points, 39 comments)
    5. CBS is referring the new chain as "Bitcoin Cash" and the old chain as "Bitcoin Classic". Ahah (421 points, 121 comments)
    6. Bitcoin cash (BCH) price could lead to bitcoin "death spiral" - Quartz (375 points, 55 comments)
    7. Bitcoin Cash just destroyed the narrative of a contentious hard fork. There is nothing contentious with free choice. (369 points, 114 comments)
    8. Bitcoin Cash support expected in the next Mycelium release! (363 points, 84 comments)
  21. 3550 points, 6 submissions: singularity87
    1. I am stepping down as a moderator of btc and exiting the bitcoin community and entering the Ethereum community. (1110 points, 482 comments)
    2. Now that the debate is over, lets finally make some progress forward. We are starting a marketing fund to expand Bitcoin Cash adoption. (722 points, 211 comments)
    3. Bitcoin Cash Logo Animation GIF. Feel free to use. (562 points, 83 comments)
    4. The entire bitcoin economy is attacking bitcoin says bitcoin.org! You can't make this shit up. (440 points, 270 comments)
    5. Now that REAL consensus is forming, be ready for Core to offer a 2MB hardfork as a last ditch effort to retain their power. DO NOT GIVE IN! (363 points, 179 comments)
    6. btc now has ~50% of the active users of Bitcoin. At this rate btc will soon be the dominant bitcoin subreddit. (353 points, 55 comments)

Top Commenters

  1. jessquit (17415 points, 1759 comments)
  2. H0dl (8425 points, 1127 comments)
  3. knight222 (7888 points, 810 comments)
  4. ForkiusMaximus (7755 points, 700 comments)
  5. MemoryDealers (7539 points, 197 comments)
  6. tippr (7348 points, 2740 comments)
  7. Ant-n (7224 points, 965 comments)
  8. BeijingBitcoins (6072 points, 459 comments)
  9. BitcoinXio (5984 points, 320 comments)
  10. BitcoinIsTehFuture (5845 points, 516 comments)
  11. imaginary_username (5762 points, 471 comments)
  12. Adrian-X (5748 points, 1069 comments)
  13. LexGrom (5224 points, 1592 comments)
  14. cryptorebel (4869 points, 464 comments)
  15. Egon_1 (4769 points, 368 comments)
  16. awemany (4738 points, 643 comments)
  17. Kain_niaK (4561 points, 692 comments)
  18. BitttBurger (4410 points, 525 comments)
  19. PsyRev_ (4176 points, 477 comments)
  20. Bitcoinopoly (4002 points, 414 comments)
  21. poorbrokebastard (3986 points, 719 comments)
  22. vbuterin (3840 points, 22 comments)
  23. Shock_The_Stream (3769 points, 437 comments)
  24. todu (3692 points, 266 comments)
  25. Richy_T (3626 points, 847 comments)
  26. LovelyDay (3595 points, 332 comments)
  27. shadowofashadow (3498 points, 383 comments)
  28. rdar1999 (3475 points, 456 comments)
  29. btcnewsupdates (3403 points, 328 comments)
  30. KoKansei (3286 points, 198 comments)
  31. jonald_fyookball (3219 points, 251 comments)
  32. 1s44c (3186 points, 619 comments)
  33. nanoakron (2989 points, 113 comments)
  34. NilacTheGrim (2925 points, 440 comments)
  35. singularity87 (2746 points, 240 comments)
  36. Vibr8gKiwi (2594 points, 148 comments)
  37. jstolfi (2541 points, 263 comments)
  38. esquonk (2532 points, 2 comments)
  39. fiah84 (2496 points, 289 comments)
  40. unitedstatian (2445 points, 451 comments)
  41. MobTwo (2372 points, 147 comments)
  42. chernobyl169 (2353 points, 199 comments)
  43. kairepaire (2280 points, 17 comments)
  44. ShadowOfHarbringer (2272 points, 206 comments)
  45. playfulexistence (2241 points, 99 comments)
  46. LiamGaughan (2240 points, 83 comments)
  47. redlightsaber (2238 points, 328 comments)
  48. we-are-all-satoshi (2201 points, 39 comments)
  49. Annapurna317 (2198 points, 223 comments)
  50. MagicalTux (2153 points, 114 comments)

Top Submissions

  1. Evidence that the mods of /Bitcoin may have been involved with the hacking and vote manipulation "attack" on /Bitcoin. by censorship_notifier (8585 points, 1166 comments)
  2. The idiocracy of bitcoin by PedanticPendant (7772 points, 750 comments)
  3. As of today, Steam will no longer support Bitcoin as a payment method by boomtnt46 (6980 points, 1178 comments)
  4. Buy, sell, send and receive Bitcoin Cash on Coinbase by 11111101000 (5329 points, 1019 comments)
  5. bitcoin mods removed top post: "The rich don't need Bitcoin. The poor do" by Egon_1 (4810 points, 506 comments)
  6. Guess who controls over half a billion Tethers across 3 exchanges—over 73% of USDT currently in circulation. by peptocurrency (4748 points, 635 comments)
  7. Average Bitcoin transaction fee is now above five dollars. 80% of the world population lives on less than $10 a day. So much for "banking the unbanked." by BeijingBitcoins (3417 points, 463 comments)
  8. Latest projections show BTC will break the time space continuum by cryptopicker (3292 points, 146 comments)
  9. Two biggest Bitcoin subs according to their counterparts (posted on both subs) by themetalfriend (3135 points, 232 comments)
  10. rBitcoin logic: Cashing out? You should kill yourself instead by DrunkPanda (2918 points, 560 comments)

Top Comments

  1. 2527 points: esquonk's comment in As of today, Steam will no longer support Bitcoin as a payment method
  2. 2289 points: nanoakron's comment in Evidence that the mods of /Bitcoin may have been involved with the hacking and vote manipulation "attack" on /Bitcoin.
  3. 2025 points: kairepaire's comment in As of today, Steam will no longer support Bitcoin as a payment method
  4. 2018 points: vbuterin's comment in "So no worries, Ethereum's long term value is still ~0." -Greg Maxwell, CTO of Blockstream and opponent of allowing Bitcoin to scale as Satoshi had planned.
  5. 1215 points: vbuterin's comment in Vitalik Buterin tried to develop Ethereum on top of Bitcoin, but was stalled because the developers made it hard to build on top of Bitcoin. Vitalik only then built Ethereum as a separate currency
  6. 1211 points: LiamGaughan's comment in As of today, Steam will no longer support Bitcoin as a payment method
  7. 1184 points: anothertimewaster's comment in Evidence that the mods of /Bitcoin may have been involved with the hacking and vote manipulation "attack" on /Bitcoin.
  8. 1180 points: TacoPi's comment in Buy, sell, send and receive Bitcoin Cash on Coinbase
  9. 962 points: insanityzwolf's comment in bitcoin mods removed top post: "The rich don't need Bitcoin. The poor do"
  10. 868 points: SethEllis's comment in As of today, Steam will no longer support Bitcoin as a payment method
Generated with BBoe's Subreddit Stats
submitted by subreddit_stats to subreddit_stats [link] [comments]

The Big Blocks Mega Thread

Since this is a pressing and prevalent issue, I thought maybe condensing the essential arguments into one mega thread is better than rehashing everything in new threads all the time. I chose a FAQ format for this so a certain statement can be answered. I don't want to re-post everything here so where appropriate I'm just going to use links.
Disclaimer: This is biased towards big blocks (BIP 101 in particular) but still tries to mention the risks, worries and fears. I think this is fair because all other major bitcoin discussion places severely censor and discourage big block discussion.
 
What is the block size limit?
The block size limit was introduced by Satoshi back in 2010-07-15 as an anti-DoS measure (though this was not stated in the commit message, more info here). Ever since, it has never been touched because historically there was no need and raising the block size limit requires a hard fork. The block size directly limits the number of transactions in a block. Therefore, the capacity of Bitcoin is directly limited by the block size limit.
 
Why does a raise require a hard fork?
Because larger blocks are seen as invalid by old nodes, a block size increase would fork these nodes off the network. Therefore it is a hard fork. However, it is possible to downsize the block limit with a soft fork since smaller blocks would still be seen as valid from old nodes. It is considerably easier to roll out a soft fork. Therefore, it makes sense to roll out a more ambitious hard fork limit and downsize as needed with soft forks if problems arise.
 
What is the deal with soft and hard forks anyways?
See this article by Mike Hearn: https://medium.com/@octskyward/on-consensus-and-forks-c6a050c792e7#.74502eypb
 
Why do we need to increase the block size?
The Bitcoin network is reaching its imposed block size limit while the hard- and software would be able to support more transactions. Many believe that in its current phase of growth, artificially limiting the block size is stifling adoption, investment and future growth.
Read this article and all linked articles for further reading: http://gavinandresen.ninja/time-to-roll-out-bigger-blocks
Another article by Mike Hearn: https://medium.com/@octskyward/crash-landing-f5cc19908e32#.uhky4y1ua (this article is a little outdated since both Bitcoin Core and XT now have mempool limits)
 
What is the Fidelity Effect?
It is the Chicken and Egg problem applied to future growth of Bitcoin. If companies do not see how Bitcoin can scale long term, they don't invest which in turn slows down adoption and development.
See here and here.
 
Does an increase in block size limit mean that blocks immediately get larger to the point of the new block size limit?
No, blocks are as large as there is demand for transactions on the network. But one can assume that if the limit is lifted, more users and businesses will want to use the blockchain. This means that blocks will get bigger, but they will not automatically jump to the size of the block size limit. Increased usage of the blockchain also means increased adoption, investment and also price appreciation.
 
Which are the block size increase proposals?
See here.
It should be noted that BIP 101 is the only proposal which has been implemented and is ready to go.
 
What is the long term vision of BIP 101?
BIP 101 tries to be as close to hardware limitations regarding bandwidth as possible so that nodes can continue running at normal home-user grade internet connections to keep the decentralized aspect of Bitcoin alive. It is believed that it is hard to increase the block size limit, so a long term increase is beneficial to planning and investment in the Bitcoin network. Go to this article for further reading and understand what is meant by "designing for success".
BIP 101 vs actual transaction growth visualized: http://imgur.com/QoTEOO2
Note that the actual growth in BIP 101 is piece-wise linear and does not grow in steps as suggested in the picture.
 
What is up with the moderation and censorship on bitcoin.org, bitcointalk.org and /bitcoin?
Proponents of a more conservative approach fear that a block size increase proposal that does not have "developeexpert consensus" should not be implemented via a majority hard fork. Therefore, discussion about the full node clients which implement BIP 101 is not allowed. Since the same individuals have major influence of all the three bitcoin websites (most notably theymos), discussion of Bitcoin XT is censored and/or discouraged on these websites.
 
What is Bitcoin XT anyways?
More info here.
 
What does Bitcoin Core do about the block size? What is the future plan by Bitcoin Core?
Bitcoin Core scaling plan as envisioned by Gregory Maxwell: http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-Decembe011865.html
 
Who governs or controls Bitcoin Core anyways? Who governs Bitcoin XT? What is Bitcoin governance?
Bitcoin Core is governed by a consensus mechanism. How it actually works is not clear. It seems that any major developer can "veto" a change. However, there is one head maintainer who pushes releases and otherwise organizes the development effort. It should be noted that the majority of the main contributors to Bitcoin Core are Blockstream employees.
BitcoinXT follows a benevolent dictator model (as Bitcoin used to follow when Satoshi and later Gavin Andresen were the lead maintainers).
It is a widespread believe that Bitcoin can be separated into protocol and full node development. This means that there can be multiple implementations of Bitcoin that all follow the same protocol and overall consensus mechanism. More reading here. By having multiple implementations of Bitcoin, single Bitcoin implementations can be run following a benevolent dictator model while protocol development would follow an overall consensus model (which is enforced by Bitcoin's fundamental design through full nodes and miners' hash power). It is still unclear how protocol changes should actually be governed in such a model. Bitcoin governance is a research topic and evolving.
 
What are the arguments against a significant block size increase and against BIP 101 in particular?
The main arguments against a significant increase are related to decentralization and therefore robustness against commercial interests and government regulation and intervention. More here (warning: biased Wiki article).
Another main argument is that Bitcoin needs a fee market established by a low block size limit to support miners long term. There is significant evidence and game theory to doubt this claim, as can be seen here.
Finally, block propagation and verification times increase with an increased block size. This in turn increases the orphan rate of miners which means reduced profit. Some believe that this is a disadvantage to small miners because they are not as well connected to other big miners. Also, there is currently a large miner centralization in China. Since most of these miners are behind the Great Firewall of China, their bandwidth to the rest of the world is limited. There is a fear that larger block propagation times favor Chinese miners as long as they have a mining majority. However, there are solutions in development that can drastically reduce block propagation times so this problem will be less of an issue long term.
 
What is up with the fee market and what is the Lightning Network (LN)?
Major Bitcoin Core developers believe that a fee market established by a low block size is needed for future security of the bitcoin network. While many believe fundamentally this is true, there is major dispute if a fee market needs to be forced by a low block size. One of the main LN developers thinks such a fee market through low block size is needed (read here). The Lightning Network is a non-bandwidth scaling solution. It uses payment channels that can be opened and closed using Bitcoin transactions that are settled on the blockchain. By routing transactions through many of these payment channels, in theory it is possible to support a lot more transactions while a user only needs very few payment channels and therefore rarely has to use (settle on) the actual blockchain. More info here.
 
How does LN and other non-bandwidth scaling solutions relate to Bitcoin Core and its long term scaling vision?
Bitcoin Core is headed towards a future where block sizes are kept low so that a fee market is established long term that secures miner incentives. The main scaling solution propagated by Core is LN and other solutions that only sometimes settle transactions on the main Bitcoin blockchain. Essentially, Bitcoin becomes a settlement layer for solutions that are built on top of Bitcoin's core technology. Many believe that long term this might be inevitable. But forcing this off-chain development already today seems counterproductive to Bitcoin's much needed growth and adoption phase before such solutions can thrive. It should also be noted that no major non-bandwidth scaling solution (such as LN) has been tested or even implemented. It is not even clear if such off-chain solutions are needed long term scaling solutions as it might be possible to scale Bitcoin itself to handle all needed transaction volumes. Some believe that the focus on a forced fee market by major Bitcoin Core developers represents a conflict of interest since their employer is interested in pushing off-chain scaling solutions such as LN (more reading here).
 
Are there solutions in development that show the block sizes as proposed via BIP 101 are viable and block propagation times in particular are low enough?
Yes, most notably: Weak Blocks, Thin Blocks and IBLT.
 
What is Segregated Witness (SW) and how does it relate to scaling and block size increases?
See here. SW among other things is a way to increase the block size once without a hard fork (the actual block size is not increased but there is extra information exchanged separately to blocks).
 
Feedback and more of those question/answer type posts (or revised question/answer pairs) appreciated!
 
ToDo and thoughts for expansion:
@Mods: Maybe this could be stickied?
submitted by BIP-101 to btc [link] [comments]

Subreddit Stats: btc top posts from 2017-05-17 to 2018-05-16 16:37 PDT

Period: 364.19 days
Submissions Comments
Total 1000 171217
Rate (per day) 2.75 467.46
Unique Redditors 530 18280
Combined Score 587073 990947

Top Submitters' Top Submissions

  1. 27576 points, 60 submissions: MemoryDealers
    1. I'm Roger Ver, CEO of Bitcoin.com and world's first investor in Bitcoin startups. AMA (974 points, 941 comments)
    2. The pro Bitcoin Cash video from CNBC made it to the very front page of Yahoo.com! (863 points, 191 comments)
    3. I (Roger Ver) will be doing an AMA on Monday Dec 18th starting at 10AM EST on /BTC because /Bitcoin is completely censored. (820 points, 413 comments)
    4. Reminder: Blockstream and Core got 100% of everything they asked for. (808 points, 333 comments)
    5. I'm giving away $100 each of BCH and BTC on live TV tomorrow by displaying the private key. Guess why? (744 points, 832 comments)
    6. How wrong were they? More than 2 years ago the CEO of Lightning Labs said LN would be ready in less than 6 months (689 points, 276 comments)
    7. To the Censorship loving tyrants in /Bitcoin, don't Say Bitcoin.com didn't warn you! "In the unlikely event that the 2MB block size increase portion of Segwit2x fails to activate, Bitcoin.com will immediately shift all company resources to supporting Bitcoin Cash exclusively." (677 points, 364 comments)
    8. I just bet 1,000 BTC (~$4M USD) that Segwit 2X coin will have more value than Segwit 1x coin. (645 points, 399 comments)
    9. If you think consumers are going to throw away $100’s (and soon $1000’s) on transaction fees to open up a payment channel on the Lightning network, you are delusional. (599 points, 221 comments)
    10. PSA: If you get an email from me (Roger Ver) asking to borrow BTC, you can be 100% sure it as a scam. If they ask to borrow BCH, it is more plausible, but still a scam. (597 points, 73 comments)
  2. 23187 points, 41 submissions: Egon_1
    1. bitcoin mods removed top post: "The rich don't need Bitcoin. The poor do" (4814 points, 511 comments)
    2. WSJ: "[bitcoin core] fees have reached an average cost of about $30 per transaction. That makes bitcoin virtually unusable for all but very large transactions. The Bitcoin Cash crowd is just trying to offer a solution to that problem." (1303 points, 339 comments)
    3. Rick Falkvinge:"Fun fact: I am aware of a truckload of companies currently in the process of converting from Bitcoin Legacy to #Bitcoin Cash. I am aware of zero (0) companies going the other direction." (654 points, 228 comments)
    4. "Bitcoin.com wallet now displays "Bitcoin Cash" and "Bitcoin Core" balances. Should satisfy everyone, right? ;)" (626 points, 448 comments)
    5. GDAX: "We will open the BCH-BTC Order Book on Wednesday, January 17 at 9:00 am PST." (624 points, 114 comments)
    6. Stephen (BitPay CEO):"a typical #bitcoin transaction costs $1.80 now, >200k unconfirmed transactions, time for a hard fork to larger blocks ... 8mb please" (545 points, 113 comments)
    7. Erik Voorhees: "Fellow Bitcoiners, are you ever going to realize how problematic these fees are getting? Avg fees now over $40 per tx. A year ago avg fee was $4. A year prior, $0.40. Growing faster than price, and exponentially with usage. We just spent $4800 to move 15 BTC in one TX." (539 points, 147 comments)
    8. @Bitcoin: "The ownership of this account has not changed hands. I became busy with other things, much has changed since then and I've decided to take a more active role in the community once again." (536 points, 125 comments)
    9. BitPay CEO: “If people can’t engage in commerce, it’s hard to imagine why they’d want to store their money in Bitcoin in the first place” (530 points, 134 comments)
    10. U.S. Regulators to Subpoena Crypto Exchange Bitfinex, Tether (527 points, 196 comments)
  3. 13318 points, 28 submissions: hunk_quark
    1. Censored! Youtube removes Roger Ver's video on "The effects of Censorship and Propaganda upon Bitcoin" (1001 points, 297 comments)
    2. CNBC is waking up (882 points, 145 comments)
    3. Despite massing brigading from bitcoin and core, @Bitcoin twitter account has gained 50k subscribers since it came out in support of BCH last week. (623 points, 198 comments)
    4. Warren Buffet's Berkshire is the single largest stockholder in BoA and WellsFargo. In case you were wondering about his attitude towards Bitcoin. (616 points, 114 comments)
    5. Bitfinex defines Bitcoin Cash as the coin that fulfills the original promise of p2p cash, a bitcoin upgrade that is ready to scale and sound money! #Winning (608 points, 166 comments)
    6. Wouldn't wanna be this shopper. (587 points, 125 comments)
    7. GDAX enabling EUBCH trading pair next week. #winning 🎆 (574 points, 67 comments)
    8. Thank to this community's effort, Forbes has corrected Kyle's Torpey's LN article to clarify LTC tx fees is much higher than BCH. Now let's ask for 1 more correction: Bitcoin cash is not Bcash. Links in comments. (508 points, 176 comments)
    9. Elizabeth Stark of Lightning labs calls out Blockstream on letting users tinker with LN that's neither safe nor ready for mainnet. (492 points, 269 comments)
    10. The $2000 tip for Bitcoin ABC dev shows we don't need blockstream to pay our developers, we can do community funding through tippr! (462 points, 131 comments)
  4. 10330 points, 13 submissions: BeijingBitcoins
    1. Average Bitcoin transaction fee is now above five dollars. 80% of the world population lives on less than $10 a day. So much for "banking the unbanked." (3417 points, 465 comments)
    2. Dear Reddit Admins: We need to talk about /Bitcoin (1340 points, 284 comments)
    3. Paid for this whisky with Bitcoin Cash! Ginza bar becomes third Tokyo retail establishment to accept BCC (749 points, 60 comments)
    4. Samson Mow says Bitcoin isn't for people earning less than $2 a day. With average transaction fees now at $27.20, is Bitcoin even for people earning less than $100 a day? (661 points, 163 comments)
    5. Protip: If you are new to Bitcoin and cryptocurrency in general, you really should read the document that started it all, the Bitcoin whitepaper [PDF] (647 points, 73 comments)
    6. /Bitcoin in a nutshell (537 points, 69 comments)
    7. Three years ago today, Mike Hearn published an article explaining exactly what would happen when the 1MB blocksize limit was hit. He was right on all counts. (482 points, 173 comments)
    8. Shit, they're on to us (455 points, 67 comments)
    9. "Am I so out of touch?" (437 points, 164 comments)
    10. abrkn on Twitter: I've bought some Bitcoin Cash. Now I just need @Blockstream to keep kicking developers, banning wallets, and insulting miners. (426 points, 95 comments)
  5. 9412 points, 19 submissions: BitcoinXio
    1. /bitcoin is censoring the NIST report that says "Bitcoin Cash is the original blockchain" and Bitcoin Core is not. If you have to censor to get people to believe you, then you have lost. (854 points, 500 comments)
    2. Someone hacked the account todu which was a mod here to point users to /bitcoin (736 points, 263 comments)
    3. Congrats: /btc has reached 150,000 subscribers! (702 points, 356 comments)
    4. Twitter continues to go downhill - flags @Bitcoin account as ‘temporarily restricted due to unusual activity’ (637 points, 216 comments)
    5. There is a huge edit war on Wikipedia where trolls like the user "Jtbobwaysf" are trying very hard to inject the word "bcash" into Bitcoin Cash pages and reverting/editing other pages that speak factually poorly on topics such as Lightning Network, Segwit, etc. (626 points, 153 comments)
    6. What /bitcoin mods desperately don't want you to see! (597 points, 106 comments)
    7. /btc is trending on reddit today, congrats everyone! (584 points, 18 comments)
    8. Bitcoin Cash is upgrading on May 15 to 32MB max block limit (579 points, 335 comments)
    9. /DarkNetMarkets shut down by Reddit (452 points, 324 comments)
    10. Just a heads up on what is going on in this sub - please be aware of what is happening. There is a coordinated effort by a specific group to undermine and destroy everything that we support because they are about to lose power come mid-November. (422 points, 200 comments)
  6. 9302 points, 2 submissions: censorship_notifier
    1. Evidence that the mods of /Bitcoin may have been involved with the hacking and vote manipulation "attack" on /Bitcoin. (8584 points, 1173 comments)
    2. New anti-censorship bot for /bitcoin (718 points, 347 comments)
  7. 8263 points, 15 submissions: jessquit
    1. You can now store a year's worth of continuously full 8MB blocks for the cost of a single BTC transaction (1375 points, 386 comments)
    2. There never was a "scaling problem." The only problem is "people that don't want Bitcoin to scale." (776 points, 419 comments)
    3. Please stop saying "Increase the block size" (661 points, 450 comments)
    4. [PSA] If your Bitcoin are not ready-to-transact in a wallet whose keys you exclusively control, then you don't control your Bitcoin (625 points, 216 comments)
    5. Why us old-school Bitcoiners argue that Bitcoin Cash should be considered "the real Bitcoin" (585 points, 587 comments)
    6. I think we need an EDA fix before the Nov hardfork (535 points, 346 comments)
    7. Why large blocks: because one man's "coffee purchase transaction" is another man's monthly income (508 points, 104 comments)
    8. There is a word for a "store of value" with no underlying utility, and that word is "collectible" (481 points, 171 comments)
    9. Ripple user comes to defend Ripple, gets hundreds of upvotes, but can't answer the most fundamental question: what prevents inflation? (462 points, 407 comments)
    10. If you don't agree that the mission is to make onchain transactions readily available to ALL people at ALL income levels then you don't understand the whole reason Bitcoin was invented to begin with (449 points, 203 comments)
  8. 8227 points, 17 submissions: increaseblocks
    1. No Neo I'm trying to tell you ... (700 points, 77 comments)
    2. Blockstream is falling apart - Greg Maxwell resigns - Blockstream takes down team page in a hurry to reorg team - Adam Back must be worried (680 points, 496 comments)
    3. * Ripple is not mineable (it is a centralized private blockchain run by banks) (628 points, 254 comments)
    4. rBitcoin moderator confesses and comes clean that Blockstream is only trying to make a profit by exploiting Bitcoin and pushing users off chain onto sidechains (576 points, 188 comments)
    5. Fixed - Bitcoin Cash moving money far better. SegWitCoin moving money with high fees and slow confirmation times! (538 points, 105 comments)
    6. Blockstream investor emails leaked - shows Blockstream motivation to steal transaction fees from miners and pay to Liquid sidechain customers (531 points, 250 comments)
    7. Vitalik Buterin says what we've all been saying - CoinDesk is scammy and complicit bad actor in the cryptocurrency world and should be shunned (511 points, 61 comments)
    8. "Blockstream plans to sell side chains to enterprises, charging a fixed monthly fee, taking transaction fees and even selling hardware" source- Adam Back Blockstream CEO (494 points, 143 comments)
    9. Coinbase comes through and does the correct thing and adds clarification on the upcoming Segwit2x Fork (452 points, 199 comments)
    10. Core trolls have hard decisions to make (437 points, 141 comments)
  9. 8207 points, 19 submissions: Windowly
    1. "If BCH hashpower > BTC, I'll start referring to it as just 'Bitcoin' :" ~ Gavin on twitter (773 points, 238 comments)
    2. You want to go grab a coffee?? (643 points, 420 comments)
    3. "I guess my idea of "freedom from corrupt banks" didn't include transaction fees that forced 99% of the world's population to keep using banks."~Erik Voorhees (595 points, 122 comments)
    4. "With recent developments, I'm putting all available dev resources to retool my software for #Bitcoin Cash. I suspect I'm far from alone."~Rick Falkvinge (Pirate Party) (493 points, 134 comments)
    5. "We've tested Bitcoin Cash vs Lightning Network and... LN feels so unnecessary and over-complicated. Also, still more expensive than Bitcoin Cash fees - and that's not taking into account the $3 fees each way you open or close a $50 channel. Also two different balances? Confusing" ~ HandCash (465 points, 252 comments)
    6. That Awkward Moment. . . . (431 points, 129 comments)
    7. "There was an entire mall in 2013 to 2015 in Berlin that accepted Bitcoin. This stopped when fees rose. There was wide adoption once. Fees kill use"~Dr. Craig S. Wright (427 points, 155 comments)
    8. "Billion-dollar corporations take note: Bitcoin Cash is open for business! Just try to fill up our blocks, I dare you. There will be no "Fidelity Effect" with BCH. Unlike BTC, we want you to use the Blockchain. BCH never really hits a scale ceiling."~Dr. Peter Rizun (419 points, 177 comments)
    9. Bitcoin Cash finally released on Open Bazaar! (417 points, 36 comments)
    10. Trezor is refusing to provide full wallet support for Segwit2x. This means if you buy Segwit2X on an exchange you can't store it in your hardware wallet. Another reason to buy a Ledger! (394 points, 200 comments)
  10. 8112 points, 2 submissions: PedanticPendant
    1. The idiocracy of bitcoin (7759 points, 751 comments)
    2. I made a new version of the well-known "Differences between the two versions of Bitcoin" diagram which I think is more informative (353 points, 135 comments)
  11. 7032 points, 11 submissions: rdar1999
    1. South Koreans sign petition (100k signatures) to reject ban proposal and 30k signatures asking to FIRE the Justice Minister and the Finance Minister for market manipulation. Crypto is winning!! (1858 points, 119 comments)
    2. BREAKING NEWS: South Korean Government confirms NO CRYPTO BAN. What they will do is to enforce regulations, anti money laundering task force, anti market manipulation, the usual stuff. (1089 points, 52 comments)
    3. Friendly reminder: Vitalik "I consider BCH a legitimate contender for the bitcoin name." (800 points, 181 comments)
    4. Shutting down or restricting the uses of bank accounts, thereby forbidding clients to buy crypto, is a blatant affront to the rights of civil liberty, manifested, but not limited to, in the rights to private property and free speech (563 points, 262 comments)
    5. GDAX: Bitcoin Cash Launch Retrospective -- trades were halted after 3 minutes because THE STASH DRIED OUT DUE TO AN AVALANCHE OF BUY ORDERS (486 points, 164 comments)
    6. While Jamie Dimon is shutting down your accounts, Russia’s largest State Bank is about to open cryptocurrency exchange In europe (433 points, 39 comments)
    7. Flippening: blockexplorer.com says: "We have made the decision to support the only bitcoin fork with a postive utility momentum, which is Bitcoin Cash.(...) We will not add future support for the Blockstream fork of bitcoin ("Bitcoin Legacy"), and will be deprecating it entirely " (426 points, 110 comments)
    8. National Institute of Standards and Technology confirm: "Bitcoin Core (BTC) is a fork and Bitcoin Cash (BCH) is the real Bitcoin" p.43 para 8.1.2 (365 points, 115 comments)
    9. TABGATE==> the astroturfing/hired shills scandal. Adam Back let it slip he hires full-time teams of social media shills/trolls. Just read! (358 points, 273 comments)
    10. Naomi Brockwell on Twitter: "[I] won’t succumb to censorship through intimidation." (330 points, 190 comments)
  12. 6983 points, 1 submission: boomtnt46
    1. As of today, Steam will no longer support Bitcoin as a payment method (6983 points, 1192 comments)
  13. 6148 points, 7 submissions: normal_rc
    1. Legacy Bitcoin tries to buy a cup of coffee (2299 points, 503 comments)
    2. WARNING: Brutal scam. Guy buys a Ledger Nano wallet on Ebay, and it steals all his cryptocurrency ($34,000, which is his life's savings). (1475 points, 522 comments)
    3. How the Bilderberg Group, the Federal Reserve central bank, and MasterCard took over Bitcoin BTC. (590 points, 221 comments)
    4. Cryptocurrency usually automatically downvotes any pro-BCH thread into oblivion. But I got my CoinText.io post to trend to #3 on their front page, by simply not saying "Bitcoin Cash". Proof that people would love BCH if they kept an open mind. (541 points, 208 comments)
    5. Tor Project can accept small donations again, thanks to Bitcoin Cash. (452 points, 35 comments)
    6. 100,000+ Merchants Start Accepting Bitcoin Cash. More than 100,000 BitPay merchants are now accepting Bitcoin Cash with the option seemingly automatically turned on for all of them. (413 points, 109 comments)
    7. Bitpay announcement: Electron Cash wallet now fully supports Bitpay BIP70 payment invoices for Bitcoin Cash. (378 points, 37 comments)
  14. 6118 points, 12 submissions: btcnewsupdates
    1. Starbucks CEO Wants Crypto. Considering All Currencies Except Bitcoin Core (BTC): "It is not a currency today nor will it be in the future” (824 points, 221 comments)
    2. Roger Ver: "Dear @reddit, [...] I'll pay you $100,000 USD if you simply appoint a moderator to /Bitcoin who supports free speech." (803 points, 428 comments)
    3. Hundreds of botted accounts mixed with some real ones simultaneously post "Bitcoin Cash is Trash" on twitter. Blockstream reaching sheer desperation status. (724 points, 285 comments)
    4. Overstock accepts Bitcoin Cash - BCH holders can now buy Home Goods, Bed & Bath Essentials, Jewellery & More! (597 points, 115 comments)
    5. ProtonMail asking for community assistance to enable Bitcoin Cash payments (536 points, 84 comments)
    6. WooCommerce brings Bitcoin Cash (BCH) to its 380,000 online retailers. (471 points, 98 comments)
    7. A Bitcoin Entrepreneur Jonathan Hamel knowingly misleads a Canadian Parliamentary committee to smear Bitcoin Cash (BCH). More Lawlessness from Bitcoin/Lightning (406 points, 193 comments)
    8. Largest Sports Gambling Site in the World, Bovada, now Accepts BCH. Billions of dollars in transactions a year (384 points, 60 comments)
    9. Bitcoin Cash support on OpenBazaar now live (360 points, 44 comments)
    10. Korean exchange KuCoin announce BCH trading pairs. (347 points, 40 comments)
  15. 5793 points, 12 submissions: BitcoinIsTehFuture
    1. “Graphene” is a new Bitcoin block propagation technology that is 10x more efficient than Core’s “Compact Blocks”! Created by: Gavin Andresen, A. Pinar Ozisik, George Bissias, Amir Houmansadr, Brian Neil Levine. (719 points, 225 comments)
    2. Just so you guys know: Ethereum just had another successful hardfork network upgrade. Blockstream is wrong when they say you cannot hard fork to improve things. (663 points, 399 comments)
    3. Western Union vs. Bitcoin vs. Bitcoin Cash (634 points, 102 comments)
    4. It's called "Bitcoin Cash". The term "Bcash" is a social attack run by bitcoin. Not joking. Here is the full explanation, with proof. (568 points, 311 comments)
    5. On a reply I made in bitcoin that had over 350 upvotes, I was first somehow blocked from being able to reply on bitcoin and then actually banned when I edited my comment to state that I was blocked from replying. (505 points, 100 comments)
    6. The /bitconnect subreddit just got set to private! Bitconnect experienced a 90% drop, from over $300 down to $26! The scam has gone belly up at last! (442 points, 169 comments)
    7. Bitcoin Core Dev "Luke-jr" is asked why he is interested in Bitcoin. This is one of the main people in charge of Bitcoin right now. (408 points, 384 comments)
    8. I believe Bitcoin Core/Blockstream is now attempting to infiltrate Bitcoin Cash in the same manner that they did with Bitcoin Segwit. They are suddenly befriending Bitcoin Cash. Only in that way can they destroy from within. Do not be fooled. (405 points, 170 comments)
    9. #NOTX (392 points, 56 comments)
    10. Bitstamp just now renamed "Bcash" to "Bitcoin Cash". Win! (366 points, 61 comments)
  16. 5332 points, 1 submission: 11111101000
    1. Buy, sell, send and receive Bitcoin Cash on Coinbase (5332 points, 1034 comments)
  17. 5148 points, 2 submissions: peptocurrency
    1. Guess who controls over half a billion Tethers across 3 exchanges—over 73% of USDT currently in circulation. (4745 points, 637 comments)
    2. Dear Bitcoin: You're right. BTC has been attacked. (403 points, 107 comments)
  18. 5048 points, 8 submissions: cryptorebel
    1. You have $100 worth of BTC. So you purchase an item for $66, but have to pay a $17 fee. Now you have $17 worth of Bitcoin left, but it costs $17 more to move it. So $66 item effectively cost you $100. #Thanks BlockStream (1427 points, 434 comments)
    2. President of SBI Holdings: "The vision of the original Bitcoin white paper written by Satoshi Nakamoto calls for a peer-to-peer electronic cash system. That is a powerful vision, and SBI Group will devote resources to enable a future world where Bitcoin Cash is used globally for daily payments." (847 points, 84 comments)
    3. They used to use Bitcoin... (738 points, 179 comments)
    4. Elizabeth Stark of Lightning Labs admits that a hostile actor can steal funds in LN unless you broadcast a transaction on-chain with a cryptographic proof that recovers the funds. This means LN won't work without a block size limit increase. @8min17s (496 points, 434 comments)
    5. CEO of Bitcoin.com Roger Ver challenges Samson Mow to a debate once again, will Samson refuse again? The reason small blockers do not debate and need censorship is because they know their arguments cannot stand up to scrutiny. (429 points, 208 comments)
    6. Update from BitGo: "Due to strong customer interest BitGo will enable full support of Bitcoin Cash" (406 points, 25 comments)
    7. BitPay CEO hints at possible Bitcoin Cash acceptance: "We do listen to our customers and for quite some time their number 1 complaint has been the high fees and slow confirmation times. We really don't like to pre-announce things though. Things move fast and plans can change at the last minute. " (359 points, 73 comments)
    8. Congratulations, we have surpassed /bitcoin in "users here now" with 3600 users! (346 points, 63 comments)
  19. 4323 points, 6 submissions: Anenome5
    1. Government: "Cryptocurrencies are too risky." Also government: "Buy lottery tickets." (1297 points, 141 comments)
    2. Death of a Scamcoin: Bitconnect's front page screenshotted moments before they went private, showing panic, anger, and lots of ill-advised investment claims, several claiming to have lost over $100k (949 points, 314 comments)
    3. Let's End the War and focus on the TRUE ENEMY (722 points, 349 comments)
    4. Archive.org has received over twice as many donations ($4800) in Bitcoincash as compared to BTC. This is how we win. (547 points, 157 comments)
    5. Segwhat? Gavin Andresen has developed a new block propagation algorithm able to compress the block down to 1/10th of the size of a Compact Block (Core's technology) using bloom filters called GRAPHENE. 10 times larger blocks, no size increase! 1mb 10mb, 8mb - 80mb, etc. (407 points, 182 comments)
    6. Remember Ross Ulbricht: Dread Pirate Roberts and the Silk Road experiment (401 points, 218 comments)
  20. 4259 points, 10 submissions: knight222
    1. PSA: /bitcoin IS UNDER ATTACK (764 points, 262 comments)
    2. /btc is trending! (522 points, 63 comments)
    3. Bitstamp To Launch Bitcoin Cash Trading (483 points, 81 comments)
    4. CBS is referring the new chain as "Bitcoin Cash" and the old chain as "Bitcoin Classic". Ahah (414 points, 121 comments)
    5. Bitcoin cash (BCH) price could lead to bitcoin "death spiral" - Quartz (373 points, 55 comments)
    6. Bitcoin Cash just destroyed the narrative of a contentious hard fork. There is nothing contentious with free choice. (372 points, 115 comments)
    7. Bitcoin Cash support expected in the next Mycelium release! (362 points, 84 comments)
    8. Anti-Censorship Bot For Detecting Deleted Posts on Reddit Gets Censored - Bitcoin News (326 points, 88 comments)
    9. Every mainstream news outlet refer the fork as "Bitcoin Cash". (324 points, 123 comments)
    10. On Shapeshift right now. (319 points, 98 comments)

Top Commenters

  1. jessquit (18478 points, 1851 comments)
  2. H0dl (8651 points, 1170 comments)
  3. tippr (8182 points, 3135 comments)
  4. MemoryDealers (7610 points, 205 comments)
  5. ForkiusMaximus (7398 points, 685 comments)
  6. Ant-n (6860 points, 932 comments)
  7. knight222 (6608 points, 689 comments)
  8. imaginary_username (6465 points, 524 comments)
  9. BitcoinIsTehFuture (5444 points, 475 comments)
  10. LexGrom (5404 points, 1642 comments)
  11. BeijingBitcoins (5188 points, 404 comments)
  12. BitcoinXio (5072 points, 282 comments)
  13. Adrian-X (4416 points, 854 comments)
  14. poorbrokebastard (4324 points, 782 comments)
  15. PsyRev_ (4261 points, 532 comments)
  16. Egon_1 (4254 points, 292 comments)
  17. BitttBurger (4154 points, 464 comments)
  18. btcnewsupdates (4084 points, 402 comments)
  19. Kain_niaK (3996 points, 660 comments)
  20. cryptorebel (3801 points, 376 comments)

Top Submissions

  1. Evidence that the mods of /Bitcoin may have been involved with the hacking and vote manipulation "attack" on /Bitcoin. by censorship_notifier (8584 points, 1173 comments)
  2. The idiocracy of bitcoin by PedanticPendant (7759 points, 751 comments)
  3. As of today, Steam will no longer support Bitcoin as a payment method by boomtnt46 (6983 points, 1192 comments)
  4. Buy, sell, send and receive Bitcoin Cash on Coinbase by 11111101000 (5332 points, 1034 comments)
  5. bitcoin mods removed top post: "The rich don't need Bitcoin. The poor do" by Egon_1 (4814 points, 511 comments)
  6. Guess who controls over half a billion Tethers across 3 exchanges—over 73% of USDT currently in circulation. by peptocurrency (4745 points, 637 comments)
  7. Average Bitcoin transaction fee is now above five dollars. 80% of the world population lives on less than $10 a day. So much for "banking the unbanked." by BeijingBitcoins (3417 points, 465 comments)
  8. Latest projections show BTC will break the time space continuum by cryptopicker (3288 points, 151 comments)
  9. <--- This many people want bitcoincash.org to follow Coinbase and go green for brand recognition by connor-j (3262 points, 373 comments)
  10. Two biggest Bitcoin subs according to their counterparts (posted on both subs) by themetalfriend (3131 points, 232 comments)

Top Comments

  1. 2533 points: esquonk's comment in As of today, Steam will no longer support Bitcoin as a payment method
  2. 2290 points: nanoakron's comment in Evidence that the mods of /Bitcoin may have been involved with the hacking and vote manipulation "attack" on /Bitcoin.
  3. 2028 points: kairepaire's comment in As of today, Steam will no longer support Bitcoin as a payment method
  4. 2019 points: vbuterin's comment in "So no worries, Ethereum's long term value is still ~0." -Greg Maxwell, CTO of Blockstream and opponent of allowing Bitcoin to scale as Satoshi had planned.
  5. 1210 points: vbuterin's comment in Vitalik Buterin tried to develop Ethereum on top of Bitcoin, but was stalled because the developers made it hard to build on top of Bitcoin. Vitalik only then built Ethereum as a separate currency
  6. 1205 points: LiamGaughan's comment in As of today, Steam will no longer support Bitcoin as a payment method
  7. 1181 points: anothertimewaster's comment in Evidence that the mods of /Bitcoin may have been involved with the hacking and vote manipulation "attack" on /Bitcoin.
  8. 1178 points: TacoPi's comment in Buy, sell, send and receive Bitcoin Cash on Coinbase
  9. 959 points: insanityzwolf's comment in bitcoin mods removed top post: "The rich don't need Bitcoin. The poor do"
  10. 871 points: SethEllis's comment in As of today, Steam will no longer support Bitcoin as a payment method
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Do Not Sell! Trust Me...You Need To Watch This. [Bitcoin Market Analysis] Time Magazine Bitcoin -- Worst Investment of 2014 -- Gavin Andresen in SF Tonight! MIT Bitcoin Expo 2015 Day 2 Le top 5 des anecdotes incroyables sur le Bitcoin EB77 – Andreas M. Antonopoulos: Mastering Bitcoin

Gavin Andresen ist seit 2010 massgeblich für das Konzept der Kryptowährung Bitcoin verantwortlich und der führende Maintainer.Er gründete die Bitcoin Foundation. Andresen studierte an der Princeton University. Er arbeitete für TruCoin, University of Massachusetts Amherst und Gravity Switch. Gavin Andresen, Principal of the BitCoin Virtual Currency Project, talks with EconTalk host Russ Roberts about BitCoin, an innovative attempt to create a decentralized electronic currency. Andresen explains the origins of BitCoin, how new currency gets created, how you can acquire BitCoins and the prospects for BitCoin’s future. Can it compete with government-sanctioned money? Former lead bitcoin developer Gavin Andresen was hired by the foundation as "chief scientist." [2] In June 2013, the foundation received a letter from the California Department of Financial Institutions requesting that they "cease and desist from conducting the business of money transmission in this state," [3] and again when it published their detailed response to the regulators. ... Gavin's ability to cut to the core *practical* ramifications of technical issues is a greatly needed skill in bitcoin dev, else we get the very narrow linear ultra-extrapolation thinking that's holding bitcoin core back. And on a technical note regarding the first point that Gavin refutes - Metcalfe's Law's n^2 scaling - it may be more reasonable to treat Metcalfe's Law as (n)log(n) for large ... Gavin Andresen on BitCoin and Virtual Currency (econtalk.org) 63 points by pointillistic on Apr 4, 2011 hide past web favorite 45 comments: sgornick on Apr 4, 2011. Best comment from the show's host: "I hope some of my colleagues will find this of interest." A decentralized, global currency is truly a foreign concept to economists. In the early 1990s there were many who immediately ...

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Do Not Sell! Trust Me...You Need To Watch This. [Bitcoin Market Analysis]

Support MadBitcoins: 1PtAdf3LbwrPfX87dQ8TMuKEzuMUZtg1z1 April 8, 2014 -- Pittsburgh, Pennsylvania -- MadBitcoins: Head for the mountains. Madbitcoins Subscriber Index ... In 2010, Nakamoto handed the network alert key and control of the Bitcoin Core code repository over to Gavin Andresen, who later became lead developer at the Bitcoin Foundation. Nakamoto ... He then handed over control of the source code repository and network alert key to Gavin Andresen,[20] transferred several related domains to various prominent members of the bitcoin community ... Gavin Andresen about Bitcoin - Duration: 16:09. WYONAPICTURES 4,468 views. 16:09. Is America right to fear Huawei? The Economist - Duration: 9:58. The Economist Recommended for you. New; 9:58 ... BITCOIN में INVESTMENT करें या नहीं I Complete Analysis I Dr Vivek Bindra - Duration: 13:38. Dr. Vivek Bindra: Motivational Speaker 3,430,531 views

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