Circle lays out quantum-resistant roadmap for Arc L1 to protect $32 billion in USDC

Editorial photo of a data center with a shield overlay signaling post-quantum security for Arc L1 and USDC.

Circle has laid out a quantum-resistance roadmap for Arc, its Layer-1 network built for stablecoin finance, setting a phased plan to protect wallets, transactions, validators and infrastructure from future quantum threats. The roadmap presents quantum security not as a distant research topic, but as a practical engineering priority for a network expected to support long-lived […]