<div dir="ltr"><div>I want to put a big thank-you out to Pindar, Warren, and others in the organizing committee who I know must have put in a lot of hours to make this happen. I will be attending, and I hope to see many of you there too. It is my sincere hope that the academic structure of a workshop will help break down some of the communication walls that have arisen in this debate, and help us all work towards finding a compromise towards scaling bitcoin, something we all want to see happen.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 11, 2015 at 1:45 AM, Pindar Wong via bitcoin-dev <span dir="ltr"><<a href="mailto:bitcoin-dev@lists.linuxfoundation.org" target="_blank">bitcoin-dev@lists.linuxfoundation.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Bitcoin Scalability Workshops</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">In recent months the Bitcoin development community has faced difficult discussions of how to safely improve the scalability and decentralized nature of the Bitcoin network. To aid the technical consensus building process we are organizing a pair of workshops to collect technical criteria, present proposals and evaluate technical materials and data with academic discipline and analysis that fully considers the complex tradeoffs between decentralization, utility, security and operational realities. This may be considered as similar in intent and process to the NIST-SHA3 design process where performance and security were in a tradeoff for a security critical application.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Since Bitcoin is a P2P currency with many stakeholders, it is important to collect requirements as broadly as possible, and through the process enhance everyone’s understanding of the technical properties of Bitcoin to help foster an inclusive, transparent, and informed process.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Those with technical interest are invited to participate in this pair of workshops with the following intent:</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">Phase 1: Scene setting, evaluation criteria, and tradeoff analysis.</span><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"> </span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Montreal, Canada: September 12th-13th, 2015</span><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><br><br></span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Scalability is not a single parameter; there are many opportunities to make the Bitcoin protocol more efficient and better able to service the needs of its growing userbase. Each approach to further scaling the Bitcoin blockchain involves implicit trade offs of desired properties of the whole system. As a community we need to raise awareness of the complex and subtle issues involved, facilitate deeper research and testing of existing proposals, and motivate future work in this area.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">The purpose of this workshop is to discuss the general tradeoffs and requirements of </span><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:italic;font-variant:normal;text-decoration:none;vertical-align:baseline">any </span><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">proposal to scale Bitcoin beyond its present limits. Session topics are to include the presentation of experimental data relating to known bottlenecks of Bitcoin’s continued growth and analysis of implicit tradeoffs involved in general strategies for enabling future growth.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">This event will not host sessions on the topic of any specific proposals involving changes to the Bitcoin protocol. Such proposals would be the topic of a 2nd, follow-on Phase 2 workshop described below; this event is intended to “set the stage” for work on and evaluation of specific proposals in the time between the workshops. </span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Phase 2 will be planned out further as part of Phase 1 with input from the participants.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">Phase 2: Presentation and review of technical proposals, with simulation, benchmark results.</span><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"> </span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Hong Kong, SAR, China: TBD Nov/Dec 2015</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(51,51,51);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Hopefully to be easier for the Chinese miners to attend, the second workshop pertaining to actual block size proposals is to be planned for Hong Kong roughly in the late November to December timeframe.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">The purpose of this workshop is to present and review actual proposals for scaling Bitcoin against the requirements gathered in Phase 1. Multiple competing proposals will be presented, with experimental data, and compared against each other. The goal is to raise awareness of scalability issues and build a pathway toward consensus for increasing Bitcoin’s transaction processing capacity or, barring that, identify key areas of further required research and next steps for moving forward.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(38,38,38);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Preliminarily, Phase 2 will be a time to share results from experiments performed as a result of Phase 1 and an opportunity to discuss new developments.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(38,38,38);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">How do the Workshops work?</span></font></p><ul style="margin-top:0pt;margin-bottom:0pt"><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Both events will be live-streamed with remote participation facilitated via IRC for parallel online discussion and passing questions to the event.</span></font></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">These workshops aim to facilitate the existing Bitcoin Improvement Proposals (BIP)[1] process. Most work will be done outside of the workshops in the intervening months. The workshops serve to be additive to the design and review process by raising awareness of diverse points of view, studies, simulations, and proposals.</span></font></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Travel, venue details, and accommodation recommendation are available at </span><a href="https://scalingbitcoin.org" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">scalingbitcoin.org</span></a><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">. Registration begins August 12th at an early-bird ticket price of $150 USD until September 3rd. The ticket prices do not come close to covering the venue expense and travel subsidies, hence the need for corporate sponsors.</span></font></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Please see the FAQ at </span><a href="https://scalingbitcoin.org" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">scalingbitcoin.org</span></a><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"> which should answer most other questions.</span></font></p></li></ul><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">Travel Subsidies for Independent/Academic Researchers</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">There will be an application process for independent or academic researchers to apply for travel assistance to help cover the expense of airfare and hotel fees up to $1,000 per qualified presenter who intends to give a presentation. The four underwriters of this event have agreed to jointly review applications and cover the travel subsidies for qualified presenters. See </span><a href="https://scalingbitcoin.org" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">scalingbitcoin.org</span></a><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"> for details.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">Sponsors of the Montreal Workshop </span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">The first workshop is hosted and with logistics handled by the Montreal consultancy </span><a href="http://cryptomechanics.com" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">CryptoMechanics</span></a><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">The Underwriters jointly responsible for venue expenses and researcher travel subsidies are currently the MIT Digital Currency Initiative, Chaincode Labs, Blockstream, and Chain.com.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Current sponsors include: Cryptsy, BitcoinTalk, Final Hash, Blockstream, MIT DCI, Chaincode Labs, IDEO Futures, Kraken, and Chain.com.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Additional sponsors are needed. Please see </span><a href="https://scalingbitcoin.org" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">scalingbitcoin.org</span></a><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"> for sponsorship details or contact me directly via < pindar dot wong at <a href="http://gmail.com" target="_blank">gmail.com</a> ></span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">Online Workshop Resources</span></font></p><ul style="margin-top:0pt;margin-bottom:0pt"><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Bitcoin-Workshops-Announce list</span><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><br></span><a href="https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-workshops-announce" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-workshops-announce</span></a></font></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Bitcoin-Workshops discussion list</span><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><br></span><a href="https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-workshops" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-workshops</span></a></font></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">#bitcoin-workshops chat on the Freenode IRC network</span><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"><br></span><a href="http://webchat.freenode.net/?channels=bitcoin-workshops" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">http://webchat.freenode.net/?channels=bitcoin-workshops</span></a></font></p></li></ul><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">Call for Proposals/Papers/Presentations</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">If you have any research relevant to issues surrounding Bitcoin scalability, your proposal for a presentation at the Montreal workshop would be most welcome. Please see </span><a href="https://scalingbitcoin.org" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">scalingbitcoin.org</span></a><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"> for submission details.</span></font></p><font size="2"><br></font><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Pindar Wong</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Chair, Montreal Workshop Planning Committee</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Chairman, VeriFi (Hong Kong) Ltd.</span></font></p><font size="2"><br><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">[1]</span><span style="font-family:Arial;color:rgb(34,34,34);background-color:rgb(255,255,255);font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline"> </span><a href="https://en.bitcoin.it/wiki/Bitcoin_Improvement_Proposals" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">https://en.bitcoin.it/wiki/Bitcoin_Improvement_Proposals</span></a></font></div>
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