Btrust

Quantum Computing and Bitcoin: Understanding the Risks, the Trade-offs, and the Path Forward

Btrust

Quantum Computing and Bitcoin: Understanding the Risks, the Trade-offs, and the Path Forward

CriterionBitcoin's RequirementSignature size64 bytes (Schnorr, BIP-340)Verification speedFast enough for full node throughputSigning speedFast enough for payment channel state updatesSecurity assumptionWell-studied, conservative, quantum-resistantCryptanalytic maturityDecades of failed public attacksConstant-time implementationReliably achievable in practice CriterionML-DSA (FIPS 204)SLH-DSA (FIPS 205)Original AlgorithmCRYSTALS-DilithiumSPHINCS+Hardness AssumptionModule Lattice (MLWE/MSIS)Hash

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