Feb. 2, 2024, 8:42 a.m. |

IACR News www.iacr.org

ePrint Report: Efficient ECDSA-based Adaptor Signature for Batched Atomic Swaps

Binbin Tu, Min Zhang, Yu Chen

Adaptor signature is a novel cryptographic primitive which ties together the signature and the leakage of a secret value. It has become an important tool for solving the scalability and interoperability problems in the blockchain. Aumayr et al. (Asiacrypt 2021) recently provide the formalization of the adaptor signature and present a provably secure ECDSA-based adaptor signature, which requires zero-knowledge proof in the pre-signing phase …

atomic blockchain chen cryptographic ecdsa eprint report important interoperability novel problems report scalability secret signature tool value

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