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Blockstream researchers Jonas Nick and Mikhail Kudinov proposed Shrinks, a cryptographic signature scheme designed to protect Bitcoin against quantum computing. The protocol generates signatures using SHA-256 and maintains higher transaction speeds than generic post-quantum alternatives.
Bitcoin Core's SecP256K1 pull request #1884 marked Jonas Nick's departure after seven years of maintaining the critical cryptographic library. Marty and Matt laud his foundational work for Bitcoin's security.
Matt clarifies that Jonas Nick is not leaving Bitcoin entirely but shifting focus. He is reportedly engaged in research to make Bitcoin quantum resistant by updating its ECDSA signature scheme.
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