Tuesday, September 22, 2026

Inside Coinbase’s $250 Billion Playbook for Post-Quantum Bitcoin Custody

Head of cryptography Yehuda Lindell says the exchange is designing custody that can adapt to whatever post-quantum signing scheme Bitcoin adopts.

  • Coinbase is developing post-quantum cryptography solutions for Bitcoin custody, aiming for adaptability to various future signature schemes.
  • The exchange is exploring fallback architectures using Hardware Security Modules (HSMs) if Bitcoin's post-quantum upgrade proves incompatible with current Multi-Party Computation (MPC) methods.
  • This proactive approach addresses the uncertainty surrounding Bitcoin's quantum-resistant security transition, ensuring continued asset protection.

Topics: Quantum computing, Infrastructure providers, Legal regulatory, Cryptographic security risk, Custody security solutions, Enforcement actions litigation

Tags: #coinbase #postquantumcryptography #bitcoincustody #mpc #hashbasedsignatures #hsm #cryptography #security #blockchain #digitalassets

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