Provable Security for Deterministic Wallets

Provable Security for Deterministic Wallets

Cybersecurity Seminars Online seminar
Thursday, 26 August 2021
11 am - 12 pm (AEST)

Deterministic Wallets are an important tool for storing keys in cryptocurrencies such as Bitcoin or Ethereum. This talk will give an overview of how they work and explain what kind of security guarantees we can give for them.

The talk is based on two papers:
1) A formal treatment of deterministic wallets. P. Das, S. Faust, J. Loss. In ACM CCS 2019.
2) The Exact Security of BIP32 Wallets. P. Das, A. Erwig, S. Faust, J. Loss, S. Riahi. To appear at ACM CCS 2021.

About the speaker

Julian Loss
Postdoc, Carnegie Mellon University

Julian Loss is a cryptographer working in the area of provable security and distributed consensus algorithms. He received his MSc in Computer Science in 2016 from ETH Zurich. He earned his PhD in Math from the Ruhr University Bochum in 2019, where he was working with Eike Kiltz. From November 2019 to May 2021, he was a postdoc with Jonathan Katz at the University of Maryland. Since June 2021, he has been a postdoc with Elaine Shi at Carnegie Mellon University. Starting in October 2021, he will be a tenure-track faculty at CISPA Helmholtz Center for Information Security. His work "On the (in)security of ROS" (co-authored with F. Benhamouda, T. Lepoint, M. Orru, and M. Raykova) was selected as one of the top three papers at EUROCRYPT 2021 and invited to Journal of Cryptology.

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