My Publications

My PhD thesis, Trustless communication across distributed ledgers: impossibility and practical solutions (Imperial College London, 2022).

For the full list of my papers, see my Google Scholar profile.

• Bridging Bitcoin to Second Layers via BitVM2 [PDF]
  Linus R, Aumayr L, Avarikioti Z, Maffei M, Pelosi A, Thyfronitis Litos O, Stefo C, Tse D, Zamyatin A
  USENIX Security Symposium 2026. Recipient of the 2025 Bitcoin Research Prize (Chaincode Labs)
  June 2025

• BitVM: Quasi-Turing Complete Computation on Bitcoin [PDF]
  Aumayr L, Avarikioti Z, Linus R, Maffei M, Pelosi A, Stefo C, Zamyatin A
  ACM Conference on Advances in Financial Technologies (AFT) 2026
  December 2024

• XCC: Theft-Resilient and Collateral-Optimized Cryptocurrency-Backed Assets [PDF]
  Bugnet T, Zamyatin A
  Cryptology ePrint Archive, Report 2022/113
  February 2022

• On the Deployment of FlyClient as a Velvet Fork: Chain-Sewing Attacks and Countermeasures [PDF]
  Nemoz T, Zamyatin A
  Cryptology ePrint Archive, Report 2021/782
  June 2021

• SoK: Algorithmic Incentive Manipulation Attacks on Permissionless PoW Cryptocurrencies [PDF]
  Judmayer A, Stifter N, Zamyatin A, Tsabary I, Eyal I, Gazi P, Meiklejohn S, Weippl E
  Workshop on Trusted Smart Contracts at Financial Cryptography and Data Security (FC)
  March 2021

• SoK: Communication Across Distributed Ledgers [PDF]
  Zamyatin A, Al-Bassam M, Zindros D, Kokoris-Kogias E, Moreno-Sanchez P, Kiayias A, Knottenbelt WJ
  International Conference on Financial Cryptography and Data Security (FC)
  March 2021

• Pay-To-Win: Incentive Attacks on Proof-of-Work Cryptocurrencies [PDF]
  Judmayer A, Stifter N, Zamyatin A, Tsabary I, Eyal I, Gazi P, Meiklejohn S, Weippl E
  Workshop on Trusted Smart Contracts at Financial Cryptography and Data Security (FC)
  March 2021

• TxChain: Efficient Cryptocurrency Light Clients via Contingent Transaction Aggregation [PDF]
  Zamyatin A, Avarikioti Z, Perez D, Knottenbelt WJ
  Cryptology ePrint Archive: Report 2020/580
  May 2020

• Promise: Leveraging Future Gains for Collateral Reduction [PDF]
  Harz D, Lewis Gudgeon, Rami Khalil, Zamyatin A
  International Conference on Mathematical Research for Blockchain Economy
  May 2020

• Commit-Chains: Secure, Scalable Off-Chain Payments [PDF]
  Khalil R, Zamyatin A, Felley G, Moreno-Sanchez P, Gervais A
  Cryptology ePrint Archiv, Report 2018/642
  October 2019

• A Deep Dive into Bitcoin Mining Pools: An Empirical Analysis of Mining Shares [PDF]
  Romiti M, Judmayer A, Zamyatin A, Haselhofer B
  Workshop on the Economics of Information Security (WEIS)
  June 2019

• XCLAIM: Trustless, Interoperable Cryptocurrency-Backed Assets [PDF]
  Zamyatin A, Harz D, Lind J, Panayiotou P, Arthur G, Knottenbelt WJ
  IEEE Symposium on Security and Privacy (S&P)
  May 2019

• Uncle Traps: Harvesting Rewards in a Queue-based Ethereum Mining Pool [PDF]
  Werner S, Pritz P, Zamyatin A, Knottenbelt WJ
  EAI International Conference on Performance Evaluation Methodologies and Tools (VALUETOOLS)
  March 2019

• Echoes of the Past: Recovering Blockchain Metrics From Merged Mining [PDF]
  Stifter N, Schindler P, Judmayer A, Zamyatin A, Kern A, Weippl E
  International Conference on Financial Cryptography and Data Security (FC)
  February 2019

• Multisignatures for Cryptocurrency-Backed Tokens (Poster) [PDF]
  Zamyatin A, Harz D, Lind J, Panayiotou P, Arthur G, Knottenbelt WJ
  International Workshop on Cryptocurrencies and Blockchain Technology (CBT)
  September 2018

• Committing to Quantum Resistance: A Slow Defence for Bitcoin against a Fast Quantum Computing Attack [PDF]
  Stewart I, Illie D, Zamyatin A, Werner S, Torshizi MF, Knottenbelt WJ
  Royal Society Open Science 2018/5/180410; DOI - 10.1098/rsos.180410
  June 2018

• Agreement with Satoshi - On the Formalization of Nakamoto Consensus [PDF]
  Stifter N, Judmayer A, Schindler P, Zamyatin A, Weippl E
  Cryptology ePrint Archive, Report 2018/400
  May 2018

• Flux: revisiting near blocks for proof-of-work blockchains [PDF]
  Zamyatin A, Stifter N, Schindler P, Weippl E, Knottenbelt WJ
  Cryptology ePrint Archive: Report 2018/415
  May 2018

• (Short Paper) A Wild Velvet Fork Appears! Inclusive Blockchain Protocol Changes in Practice [PDF]
  Zamyatin A, Stifter N, Judmayer A, Schindler P, Weippl E, Knottenbelt WJ
  Workshop on Bitcoin and Blockchain Research at Financial Cryptography and Data Security
  March 2018

• Swimming with Fishes and Sharks: Beneath the Surface of Queue-based Ethereum Mining Pools [PDF]
  Zamyatin A, Wolter K, Werner S, Mulligan CEA, Harrison PG,, Knottenbelt WJ
  IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS)
  September 2017

• Merged Mining: Curse or Cure? [PDF]
  Judmayer A, Zamyatin A, Stifter N, Voyiatzis AG, Weippl E
  International Workshop on Cryptocurrencies and Blockchain Technology (CBT)
  September 2017