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[HONG KONG, CHINA] Scaling Bitcoin – Bitcoin Scalability Workshops

December 6, 2015 - December 7, 2015


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Scaling Bitcoin – Bitcoin Scalability Workshops

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.

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.

Those with technical interest are invited to participate in this pair of workshops with the following intent:


Presentation and review of technical proposals, with simulation, benchmark results.

Hong Kong, SAR, China: December 6th-7th, 2015

Hopefully to be easier for the Chinese miners to attend, the second workshop pertaining to actual block size proposals will be in Hong Kong this December.

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.

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.

How do the Workshops work?

Both events will be live-streamed with remote participation facilitated via IRC for parallel online discussion and passing questions to the event.
These workshops aim to facilitate the existing Bitcoin Improvement Proposals 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.
Travel, venue details, accommodation recommendation are available below.
Please see the FAQ section below, it should answer most other questions.

Call for Proposals

The second Scaling Bitcoin Workshop will take place December 6th-7th at the Cyberport in Hong Kong. We are accepting technical proposals for improving Bitcoin performance including designs, experimental results, and comparisons against other proposals. The goals are twofold: 1) to present potential solutions to scalability challenges while identifying key areas for further research and 2) provide a venue where researchers, developers, and miners can communicate about Bitcoin development.

We are accepting two types of proposals: one in which accepted authors will have an opportunity to give a 20-30 minute presentation at the workshop, and another where accepted authors can run an hour-long interactive workshop.

Topics of interest include:

  • Improving Bitcoin throughput
  • Layer 2 ideas (i.e. payment channels, etc.)
  • Security and privacy
  • Incentives and fee structures
  • Testing, simulation, and modeling
  • Network resilience
  • Anti-spam measures
  • Block size proposals
  • Mining concerns
  • Community coordination

All as related to the scalability of Bitcoin.

Important Dates

November 9th – Last day for submission
November 16th – Last day for notification of acceptance and feedback


We are doing rolling acceptance, so submit your proposal as soon as you can. Proposals may be submitted as a BIP or as a 1-2 page extended abstract describing ideas, designs, and expected experimental results. Indicate in the proposal whether you are interested in speaking, running an interactive workshop, or both. If you are interested in running an interactive workshop, please include an agenda.

Proposals should be submitted to by November 9th.

All talks will be livestreamed and published online, including slide decks.

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December 6, 2015
December 7, 2015
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Hong Kong Workshop Planning Committee


Hong Kong Cyberport
Function Rooms, 3/F., Core E, Cyberport 3 100 Cyberport Road
Hong Kong, China
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