Based on MetaEra, on December 25, 2025, experts from Argentum AI, Coin Bureau, and other institutions stated that quantum computing poses no imminent threat to cryptocurrencies by 2026. However, they warned of the 'collect-then-decrypt' risk, where attackers may gather encrypted data now to exploit it later. Around 25% to 30% of BTC is stored in addresses with exposed public keys, making them more vulnerable. Experts recommend avoiding address reuse and migrating to quantum-resistant wallets when available.
Experts: Quantum Computing Won't Crash Crypto by 2026, But 'Collect-Then-Decrypt' Risks Remain
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Summary
Crypto experts from Argentum AI, Coin Bureau, and others said quantum computing won’t break crypto by 2026. But they warned about the "collect-then-decrypt" threat. Around 25% to 30% of BTC is in addresses with public keys exposed. Users are urged to stop reusing addresses and switch to quantum-safe wallets when possible. What is at risk now could be decrypted later.
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