ON · 2026-11-15 05:13 UTC

What Is PLONK? How This zk-SNARK Proof System Works

PLONK is a general-purpose zero-knowledge proof scheme introduced by Ariel Gabizon, Zac Williamson, and Oana Ciobotaru, building on earlier schemes such as SONIC and Marlin. Its key improvements include a universal, updateable trusted setup that works for any program up to a maximum size and stays secure if at least one participant is honest. PLONK relies on a single standardized polynomial commitment component, usually Kate commitments, which can be swapped for alternatives like FRI or DARK to trade off proof size and security assumptions.

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