Circle Highlights Quantum Migration Challenges for USDC Across 37 Blockchains

Circle has issued a warning regarding the decreasing resources required for quantum circuits to break mainstream blockchain signature algorithms, citing a record of 813 logical qubits. Migrating USDC to quantum-resistant standards involves complex dependencies across 37 host blockchains, wallets, and custodians. While Circle is upgrading its own infrastructure, it cannot unilaterally modify the signature rules of underlying networks like Ethereum or Solana. The company is urging developers to audit their cryptographic systems and prepare for key rotation, e