Safety

Coinbase Outlines Post-Quantum Cryptography Requirements for Bitcoin Custody

October 14, 2026, 6:03 PM UTC (3 hours ago) · 1 source · Summarized by CryptoBipto

Coinbase has published its assessment of what Bitcoin custody solutions will need in order to withstand threats from future quantum computers. The exchange detailed the cryptographic upgrades and protocol changes it considers necessary to protect stored Bitcoin against quantum-capable attacks.

WHY IT MATTERS

Bitcoin is protected by mathematical puzzles that are extremely hard for today's computers to solve. Quantum computers, a new type of technology still in early development, could theoretically solve those puzzles much faster. Think of it like having a lock that no one can pick today, but a new kind of tool might be able to pick it in the future. Coinbase is essentially saying the crypto industry should start planning now for stronger locks. For beginners, this is a reminder that the security of cryptocurrencies depends on the strength of the math behind them, and that math may need to be updated as technology advances.

Quantum computing poses a theoretical long-term threat to the cryptographic algorithms that secure Bitcoin and other cryptocurrencies. Current public-key cryptography, including the elliptic curve digital signature algorithm (ECDSA) used by Bitcoin, could eventually be broken by a sufficiently powerful quantum computer.

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