1 citations · 1 across the 3 of their papers we have counts for
4 papers
Too Late to Slash: Coordinating a Risk-Free Equivocation Attack
Hao Chung, Chen-Da Liu-Zhang
Slashing is commonly argued to secure proof-of-stake blockchains by confiscating the stake of misbehaving validators. The usual justification is that, without slashing, validators…
Delphi: Efficient Asynchronous Approximate Agreement for Distributed Oracles
Akhil Bandarupalli, Adithya Bhat, Saurabh Bagchi +3
Agreement protocols are crucial in various emerging applications, spanning from distributed (blockchains) oracles to fault-tolerant cyber-physical systems. In scenarios where senso…
Communication Lower Bounds for Cryptographic Broadcast Protocols
Erica Blum, Elette Boyle, Ran Cohen +1
Broadcast protocols enable a set of parties to agree on the input of a designated sender, even facing attacks by malicious parties. In the honest-majority setting, randomizatio…
Computational Quantum Secret Sharing
Alper Çakan, Vipul Goyal, Chen-Da Liu-Zhang +1
Quantum secret sharing (QSS) allows a dealer to distribute a secret quantum state among a set of parties so that certain subsets can reconstruct the secret, while unauthorized subs…