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Abstract: Threshold wallets leverage threshold signature schemes (TSS) to distribute signing rights across multiple parties when issuing blockchain transactions. These provide greater assurance against insider fraud, and are sometimes seen as an alternative to methods using a trusted execution environment to issue the signature. This talk describes the authors’ experience with building and analyzing TSS technology, notably the finding of attacks on TSS implementations used by leading organizations such as major exchanges.
NIST Workshop on Multi-Party Threshold Schemes 2020Starts: November 04, 2020
Security and Privacy: cryptography