Imperial College London

Alexei Zamyatin

Faculty of EngineeringDepartment of Computing

Research Postgraduate



alexei.zamyatin17 Website




358ACE ExtensionSouth Kensington Campus





I'm a PhD student at the Imperial College London Centre for Cryptocurrency Research and Engineering. My research focuses on trustless and scalable cross-chain communication protocols under the supervision of Professor William Knottenbelt and Dr Arthur Gervais.

My general research interests revolve around security, interoperability and decentralization of cryptocurrencies. My latest work covered topics, such as:

A full list of publications and talks can be found here.

You can also download my full CV.


XCLAIM: Cryptocurrency-Backed Assets , Ethereum Community Conference (EthCC), Paris, March 2019. Slides, Video

Interoperability with Cryptocurrency-backed Tokens, Scaling Bitcoin "Kaizen", Tokyo, October 2018. Slides, Video.

Multisignatures for Cryptocurrency-Backed Tokens (Poster), 2nd International Workshop on Cryptocurrencies and Blockchain Technology - CBT'18, Barcelona, Spain, September 2018. Slides

Velvet Forks, Building on Bitcoin Conference, Lisbon, June 2018. Slides

Revisiting Near Blocks for PoW Blockchains (Lightning Talk), Summer Research Institute - École polytechnique fédérale de Lausanne, Lausanne, June 2018. Slides

Blockchain Interoperability (Lightning Talk), Dagstuhl Seminar 18152, Blockchains, Smart Contracts and Future Applications, Dagstuhl, Germany, April 2018. Slides

Towards a Generalised Blockchain Fabric, Code Block 2018 hosted by, March 2018. Slides

Selected Publications

Journal Articles

Stewart I, Illie D, Zamyatin A, et al., 2018, Committing to Quantum Resistance: A Slow Defence for Bitcoin against a Fast Quantum Computing Attack, Royal Society Open Science, ISSN:2054-5703


Zamyatin A, Harz D, Lind J, et al., 2019, XCLAIM: trustless, interoperable, cryptocurrency-backed assets, 40th IEEE Symposium on Security and Privacy (IEEE S&P 2019), IEEE, Pages:193-210, ISSN:2375-1207

Judmayer A, Zamyatin A, Stifter N, et al., Merged Mining: Curse or Cure?, 1st International Workshop on Cryptocurrencies and Blockchain Technology (CBT'17), Pages:316-316

More Publications