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At close · Thu, Sep 24, 2026
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HomeCryptoRegulationEU watchdogs warn quantum computing threatens blockcha…

EU watchdogs warn quantum computing threatens blockchain encryption

The warning revives concerns over how bitcoin should handle legacy addresses after public keys are already exposed on-chain.

CoinDesk reports that EU financial watchdogs are warning that quantum computing poses an imminent threat to blockchain encryption.

The alert adds urgency to a renewed debate around bitcoin, specifically how the network should address legacy addresses whose public keys are already exposed on-chain.

The concern centers on potential vulnerabilities that could emerge as quantum capabilities progress, particularly for cryptographic mechanisms used to secure transactions.

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