Post-Quantum Cryptography For Bitcoin | DAN BONEH

Quantum computing poses a significant long-term threat to current cryptographic standards, specifically the elliptic curve signatures securing Bitcoin. While Shor’s algorithm theoretically enables the breaking of these keys, building a cryptographically relevant quantum computer remains a formidable engineering hurdle, likely requiring years of development beyond 2035. A hasty transition to post-quantum architectures risks introducing catastrophic bugs, making a measured, hybrid migration strategy—combining pre-quantum and post-quantum signatures—the most secure path forward. Cryptographer Dan Boneh argues that lattice-based signature schemes, such as HAWK, offer superior algebraic flexibility compared to hash-based alternatives, facilitating advanced features like threshold signatures. Beyond quantum resistance, the integration of zero-knowledge proofs and encrypted mempools presents critical opportunities to mitigate MEV and enhance overall network security, ensuring Bitcoin’s long-term resilience against evolving computational threats.