Circle Unveils Quantum-Proof Roadmap For L1 Arc

Circle, a stablecoin issuer, has revealed a plan to enhance the security of its layer-1 blockchain, Arc, against potential threats from quantum computing. The roadmap involves a phased implementation, beginning with quantum-proof wallets and signatures upon Arc’s mainnet launch, expected in 2026. This initial feature will be optional for users. Subsequent phases will focus on securing the validator level and surrounding infrastructure. Circle emphasizes the urgency of this initiative, citing recent warnings from Google and Caltech researchers that functional quantum computers may arrive sooner and with less computing power than previously anticipated, potentially jeopardizing existing cryptographic systems like Bitcoin's. The company highlights the need for proactive measures, particularly for addresses that have already signed transactions, as their public keys are already exposed. Arc aims to enable enterprise use cases with the USDC stablecoin, and will eventually incorporate privacy-preserving quantum solutions for financial data.

(Source：Cointelegraph)