Accountable Threshold Signatures with Proactive Refresh

ePrint Report: Accountable Threshold Signatures with Proactive Refresh

Dan Boneh, Aditi Partap, Lior Rotem

An accountable threshold signature (ATS) is a threshold signature scheme where every signature identifies the quorum of signers who generated that signature. They are widely used in financial settings where signers need to be held accountable for threshold signatures they generate. In this paper we initiate the study of proactive refresh for accountable threshold signatures. Proactive refresh is a protocol that lets the group of signers …

eprint report proactive signatures