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FHE is quantum-resistant because the math is. LWE and Ring-LWE have no known quantum speedup. Shor breaks ECDSA and Diffie-Hellman, not these. Anything encrypted and left on-chain for years is exposed to "harvest now, decrypt later" if the primitive is classical. @fhenix's encrypted state does not need a later swap. The resistance is already in the ciphertext.

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