Every story we've covered involving multi-party-computation.
Coinbase is building post-quantum custody safeguards meant to support a wide range of potential signature schemes Bitcoin and other blockchains might adopt, Head of Cryptography Yehuda Lindell said on MARA Foundation TV. Because some post-quantum signatures—particularly hash-based schemes—may not work with traditional Multi-Party Computation (MPC), Coinbase is also exploring a fallback that uses programmable Hardware Security Modules (HSMs) and post-quantum encryption.
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