Vitalik says that, besides the long-known quantum threat to cryptography, there is also an AI threat, and it is much closer.

Rickler Feed (@rickler_feed), Oct 8, 2026, 10:33 UTC

Vitalik says that, besides the long-known quantum threat to cryptography, there is also an AI threat, and it is much closer. The solutions that help against the quantum threat — lattices — may be exactly the weak point in an AI attack. CZ took an interest. Vitalik: I don’t recommend scrambling to move funds to new wallets today. But we should take AI-accelerated math risks to cryptography seriously and minimize exposure to both quantum-vulnerable and AI-vulnerable crypto. The core new risk is ML-DSA / FHE / lattices. (It’s also another reason, with quantum, why ECDSA may fall faster — henc…

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