Scaling Bitcoin 2019 SeptemberSep 11 2019 - SeptemberSep 12 2019 Europe/MadridTel Aviv, Israel


In early 2015, the Bitcoin development community 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 organize 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 trade-off 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.

In order to facilitate wider audience participation, Scaling Bitcoin events are live-streamed with remote participation possible via IRC and WeChat for parallel online discussions and the ability to participate in live Q&A.

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Tel Aviv, Israel


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Sep 11 08:15
Sep 11 09:00
Sep 11 09:05
Invited Talk: TBD
Sep 11 09:30
Threshold Scriptless Scripts PRESENTER(s): Omer Shlomovits (KZen Research)
Sep 11 10:00
Developing secure Bitcoin contracts with BitML PRESENTER(s): Nicola Atzei, Massimo Bartoletti, Stefano Lande (University of Cagliari), Nobuko Yoshida (Imperial College London), Roberto Zunino (University of Trento)
Sep 11 10:30
Sep 11 10:45
ZkVM: zero-knowledge virtual machine for fast confidential smart contracts PRESENTER(s): Oleg Andreev (Stellar)
Sep 11 11:15
Scriptless Lotteries on Bitcoin from Oblivious Transfer PRESENTER(s): Lloyd Fournier (None)
Sep 11 11:45
xProbe: Discovering Bitcoin's Network Topology Using Orphan Transactions PRESENTER(s): Sergi Delgado Segura (UCL), Surya Bakshi, Andrew Miller (University of Illinois at Urbana-Champaign), Cristina Pérez-Solà (UOC), James Litton, Andrew Pachulski, Bobby Bhattacharjee (UMD)
Sep 11 12:15
Sep 11 13:15
Bandwidth-Efficient Transaction Relay for Bitcoin
Sep 11 13:45
Sep 11 14:15
Elastic Block Caps PRESENTER(s): Meni Rosenfeld (Israeli Bitcoin Association)
Sep 11 14:45
Sep 11 15:00
A Tale of Two Trees: One Writes, and Other Reads, Scaling Oblivious Accesses to Large-Scale Blockchains
Sep 11 15:30
Applying Private Information Retrieval to Lightweight Bitcoin Clients
Sep 11 16:00
ZeroLink Sudoku: Real vs. Perceived Anonymity PRESENTER(s): Aviv Milner (Black Tie Consultants)
Sep 11 16:30
Sep 11 16:45
Prism: Scaling Bitcoin to Physical Limits
Sep 11 17:15
BackPackers: A New Paradigm for Secure and High-performance Blockchain
Sep 11 17:45
Overview of Dev++ Topics
Sep 11 18:15
Sep 12 09:00
Invited Talk: TBD
Sep 12 09:25
Improving routing in the Lightning Network with Trampoline Payments PRESENTER(s): Bastien Teinturier (Acinq)
Sep 12 09:55
Outpost: A Responsive Lightweight Watchtower
Sep 12 10:25
Sep 12 10:40
Açai: a backup protocol for Lightning Network wallets PRESENTER(s): Margherita Favaretto (Technical University of Denmark)
Sep 12 11:10
PISA: Arbitration Outsourcing for State Channels
Sep 12 11:40
Rainbow Network: Synthetic Assets on Lightning PRESENTER(s): Dan Robinson (Paradigm)
Sep 12 12:10
Sep 12 13:10
Atomic Multi-Channel Updates with Constant Collateral in Bitcoin-Compatible Payment-Channel Networks
Sep 12 13:40
Plasma Cash: Towards more efficient Plasma Constructions
Sep 12 14:10
A2L: Anonymous Atomic Locks for Scalability and Interoperability in Payment Channel Hubs
Sep 12 14:40
Sep 12 14:55
Recovering Payment Channel Midstates Using only The User's Seed PRESENTER(s): David Vorick (Nebulous)
Sep 12 15:25
Proof of Necessary Work: Succinct State Verification with Fairness Guarantees PRESENTER(s): Assimakis Kattis, Joseph Bonneau (New York University)
Sep 12 15:55
roof-of-Verification for Proof-of-Work: Miners Must Verify the Signatures on Bitcoin Transactions PRESENTER(s): Kanta Matsuura (The University of Tokyo)
Sep 12 16:25
Sep 12 16:40
SeF: A Secure Fountain Architecture for Slashing Storage Costs of Blockchains PRESENTER(s): Swanand Kadhe, Jichan Chung, Kannan Ramchandran (University of California, Berkeley)
Sep 12 17:10
WIP Sessions
Sep 12 17:55
Scaling R&D Grant Awards
Sep 12 18:15

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