Ethereum’s 12-GPU proving problem just got a 4-GPU answer

ZisK's new four-GPU benchmark claim has lowered the headline hardware count in Ethereum's real-time proving race. In February, CryptoSlate examined a roughly 12-GPU setup as a possible centralization risk. The new figure could bring proof generation closer to independent operators, provided the workload and operating conditions are comparable.

ZisK is an open-source zero-knowledge virtual machine project, and on Aug. 18 it said its v1.1.0-alpha prover recorded a 9.62-second p99 on four RTX 5090 GPUs. A follow-up said 99.7% of tested Ethereum blocks finished in less than 10 seconds.

Jordi Baylina amplified the result as a milestone combining four-GPU proving with claimed 128-bit security and post-quantum resistance.

Ethereum's working standard calls for at least 99% of mainnet blocks to be proved within 10 seconds. If ZisK's p99 was calculated over an equivalent mainnet-block workload and timing boundary, 9.62 seconds would sit 0.38 seconds below that threshold.

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