Cryptographer Matthew Green: clever claimed subexponential ECDLP algorithm has zero practical implications

matthew_d_green · x · 2026-10-29

Cryptographer Matthew Green comments on a claimed asymptotically subexponential algorithm for the Elliptic Curve Discrete Logarithm Problem (ECDLP) circulating today. Building on ETH-related results, he calls it very clever — but stresses it has zero practical implications for real-world elliptic curve cryptography.

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