Circle’s Quantum-Resistant Blockchain Arc Targets 2030 Security Horizon

BTCC / BTCC Square / Global Cryptocurrency /

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2026-04-06 22:40:02

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Circle's Arc blockchain emerges as the first layer-1 network to embed quantum resistance at inception rather than retrofitting it. The phased roadmap, launching with mainnet in 2026, directly counters Google's warning that quantum computers could crack Bitcoin's cryptography in minutes.

Phase 1 deploys NIST-standard post-quantum signatures and wallets at launch. Subsequent phases through 2030 will harden validator security and off-chain infrastructure using lattice-based algorithms like CRYSTALS-Dilithium—despite initial transaction size increases of 2-10x.

The timing reflects urgency. Caltech researchers predict operational quantum systems before 2030, compressing the industry's adaptation window. Arc's design preempts a threat competitors have yet to prioritize.

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