A Vulnerability in Bitcoin Protocols Leveraging One-Time Signatures
A newly identified vulneratbility in OTS verification scripts allows attackers to use large preimages to force timeouts in turn-based protocols.
fairgate.io/blog
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A Vulnerability on Bitcoin Protocols Using One-Time Signatures
We discovered a vulnerability that can be exploited by a malicious party to steal funds by forcing a timeout, especially in turn-based protocols. The issue arises when the victim is unable to submit their on-chain response due to Bitcoin's transaction size and policy constraints.