Crypto’s Quantum Readiness Lags Despite Rising Threat Awareness

Cointime reports: A report on quantum threats to crypto finds the industry is better prepared than a year ago but still lacks widely deployed post-quantum protection on mainnets. About 6.9 million BTC, roughly 32% of supply, has exposed public keys, Coinbase’s advisory council estimates. Google’s March 2026 whitepaper put an attack on secp256k1 at under 500,000 physical qubits, with key extraction possible in about nine minutes.