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Circle Publishes Post-Quantum Security Whitepaper, Plans to Support Post-Quantum Signatures at Arc Mainnet Launch

2026-05-30 05:20

Odaily Odaily reports that Circle has released the "Post-Quantum Security Whitepaper," outlining a phased roadmap for post-quantum resilience focused on the long-term security of the Arc blockchain ecosystem.

This roadmap covers multiple technical directions, including quantum-safe signatures, private execution environments, validator hardening, infrastructure migration, and account recovery, applicable to core components such as the Arc network, USDC, smart contracts, and validators.

Circle stated that it plans to provide post-quantum signature support at the launch of the Arc mainnet (in 2026) to enhance the ecosystem's ability to counter future quantum computing threats.