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Important: A Vulnerability on Bitcoin Protocols Using One-Time Signatures \ stacker news ~bitdevs
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Important: A Vulnerability on Bitcoin Protocols Using One-Time Signatures \ stacker news ~bitdevs
All BitVM2 protocol builders should check their implementations against this potential vulnerability informed by Martin Jonas. A simple oversight in Bitcoin Script verification can lead to fund theft in BitVM protocols. We've discovered a critical vulnerability in Taproot-based protocols using one-time signatures like Winternitz. Malicious actors can exploit unconstrained preimage sizes to force timeouts and steal funds. Read the full technical …
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