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quant-ph2026
Experimental asymmetric relativistic zero-knowledge proofs with unconditional security
Chen-Xun Weng, Ming-Yang Li, Nai-Rui Xu +6
Zero-knowledge proofs (ZKPs) are widely applied in digital economies, such as cryptocurrencies and smart contracts, for establishing trust and privacy between untrusted parties. Cl…
quant-ph2025
Quantum protocols for Rabin oblivious transfer
Erika Andersson, Akshay Bansal, James T. Peat +2
Rabin oblivious transfer is the cryptographic task where Alice wishes to receive a bit from Bob but it may get lost with probability 1/2. In this work, we provide protocol designs…
quant-ph2025
On the composable security of weak coin flipping
Jiawei Wu, Yanglin Hu, Akshay Bansal +1
Weak coin flipping is a cryptographic primitive in which two mutually distrustful parties generate a shared random bit to agree on a winner via remote communication. While a stand-…