Circle’s Arc platform will launch with post-quantum signature support to protect long-lived institutional assets.
Key TakeawaysCircle will debut post-quantum signature support at the Arc mainnet launch scheduled for 2026.
Institutions can utilize an opt-in migration path to upgrade wallet security without disruptive network resets.
Arc Integrates Post-Quantum Standards for Institutional SecurityThe transition is critical for organizations managing long-lived digital assets that require multi-layer protection across execution, consensus, and data layers. Circle Research emphasizes that proactive planning is essential to prevent “harvest now, decrypt later” attacks, where adversaries collect encrypted data today to unlock it once quantum capabilities mature.
