Scaling Bitcoin 2019会议实况整理

• Invited Talk: A Survey of Progress in Succinct Zero Knowledge Proofs: https://awesome-doge.github.io/Scaling-Bitcoin-2019/ Towards Trustless SNARKs by Ben Fisch (Stanford University)

Scripts

• Threshold Scriptless Scripts by Omer Shlomovits (KZen Research)
• Developing secure Bitcoin contracts with BitML by Nicola Atzei, Massimo Bartoletti, Stefano Lande (University of Cagliari), Nobuko Yoshida (Imperial College London), Roberto Zunino (University of Trento)
• ZkVM: zero-knowledge virtual machine for fast confidential smart contracts by Oleg Andreev (Stellar)
• Scriptless Lotteries on Bitcoin from Oblivious Transfer by Lloyd Fournier (Independent Researcher)

Network

• TxProbe: Discovering Bitcoin’s Network Topology Using Orphan Transactions by 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)
• Bandwidth-Efficient Transaction Relay for Bitcoin by Gleb Naumenko (Chaincode Labs), Gregory Maxwell (Independent Researcher), Pieter Wuille (Blockstream), Alexandra Fedorova, Ivan Beschastnikh (The University of British Columbia)

Transaction Throughput

• BIP: OP_SECURETHEBAG by Jeremy Rubin (Independent Researcher)
• Elastic Block Caps by Meni Rosenfeld (Israeli Bitcoin Association)

Privacy

• A Tale of Two Trees: One Writes, and Other Reads, Scaling Oblivious Accesses to Large-Scale Blockchains by Duc V. Le, Adil Ahmad, Mohsen Minaei, Aniket Kate (Purdue University), Lizzy Hurtado (National University of Colombia), Byoungyoung Lee (Seoul National University)
• Applying Private Information Retrieval to Lightweight Bitcoin Clients by Kaihua Qin, Henryk Hadass, Arthur Gervais (Imperial College London), Joel Reardon (University of Calgary)
• ZeroLink Sudoku: Real vs. Perceived Anonymity by Aviv Milner (Black Tie Consultants) Yuval Kogman, (Independent Researcher)

Alternative Blockchain Protocols

• Prism: Scaling Bitcoin to Physical Limits by Vivek Bagaria, David Tse (Stanford), Sreeram Kannan (University of Washington), Giulia Fanti (CMU), Pramod Viswanath (University of Illinois at Urbana-Champaign)
• BackPackers: A New Paradigm for Secure and High-performance Blockchain by Phuc Thai, Hong-Sheng Zhou, Thang Dinh (Virginia Commonwealth University), Jonathan Katz (University of Maryland), Lei Fan (Shanghai Jiao Tong University) Education
• Overview of Dev++ Topics by Andrew Poelstra
• [Signet] by Karl-Johan Alm (DG Lab)

Lightning Network

• Improving routing in the Lightning Network with Trampoline Payments by Bastien Teinturier (Acinq)
• PISA: Arbitration Outsourcing for State Channels by Patrick McCorry (PISA Research), Surya Bakshi, Andrew Miller (University of Illinois at Urbana-Champaign), Iddo Bentov (Cornell University), Sarah Meiklejohn (UCL)
• Outpost: A Responsive Lightweight Watchtower by Tejaswi Nadahalli, Roger Wattenhofer (ETH Zurich), Majid Khabbazian (University of Alberta)
• Açai: a backup protocol for Lightning Network wallets by Margherita Favaretto (Technical University of Denmark)
• Rainbow Network: Synthetic Assets on Lightning by Dan Robinson (Paradigm)

Layer 2

• Atomic Multi-Channel Updates with Constant Collateral in Bitcoin-Compatible Payment-Channel Networks by Christoph Egger (Friedrich-Alexander~University Erlangen-Nueremberg), Pedro Moreno-Sanchez, Matteo Maffei (Vienna University of Technology)
• Plasma Cash: Towards more efficient Plasma Constructions by Georgios Konstantopoulos (Independent Researcher)

Payment Channels

• A2L: Anonymous Atomic Locks for Scalability and Interoperability in Payment Channel Hubs by Erkan Tairi, Pedro Moreno-Sanchez, Matteo Maffei (Vienna University of Technology)
• Recovering Payment Channel Midstates Using only The User’s Seed by David Vorick (Nebulous)

PoW & Verification

• Proof of Necessary Work: Succinct State Verification with Fairness Guarantees by Assimakis Kattis, Joseph Bonneau (New York University)
• Proof-of-Verification for Proof-of-Work: Miners Must Verify the Signatures on Bitcoin Transactions by Kanta Matsuura (The University of Tokyo)

Fountain Codes

• SeF: A Secure Fountain Architecture for Slashing Storage Costs of Blockchains by Swanand Kadhe, Jichan Chung, Kannan Ramchandran (University of California, Berkeley)

Work in Progress

• Optical Proof of Work by Mikael Dubrovsky
• A Lucas Critique to the Difficulty Adjustment Algorithm of the Bitcoin System by Yoshinori Hashimoto (BUIDL, Ltd)
• Offline Transactions (inspired by Blockchain Ethics)](https://youtu.be/Uh6Ywxrobzw?t=18036) by Daniel Marquez (MIT Media Lab)
• Conditional Transfer of Tokens on Top of Bitcoin by Thomas Eizinger
• Storm: layer 2/3 storage & messaging by Maxim Orlovsky (Pandora Core)
• Building Ultra-light Clients with SNARKs by Noah Vesely (C-Labs)
• Signet by Karl-Johan Alm (DG Lab)
• Miniscripts by Andrew Poelstra (Blockstream)
• Vaults by Bryan Bishop
• Scaling R&D by Grant Awards