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Brevis Pico Prism 2 Decompiled: ZK Proofs Inside the 12-Second Window Brevis just published numbers that matter for anyone shipping on Ethereum: Pico Prism 2.0 generates a zero-knowledge proof of an Ethereum block in roughly 6.1 seconds on average, with 99.9 percent of proofs landing inside the network's 12-second slot.
That is a 5.3x speedup over the previous generation under matched test conditions. Behind the meter, that single number rewrites a lot of architectural assumptions.
For most of ZK rollup history, "real-time proving" has been a marketing phrase, not a property of the system.
Provers ran asynchronously, batched aggressively, and tolerated minutes of latency because the cryptography demanded it. The 12-second slot was the wall, and nobody got over it cleanly.
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