Welcome to the resource topic for 2022/1352
Title:
aPlonK : Aggregated PlonK from Multi-Polynomial Commitment Schemes
Authors: Miguel Ambrona, Marc Beunardeau, Anne-Laure Schmitt, Raphaël R. Toledo
Abstract:PlonK is a prominent universal and updatable zk-SNARK for general circuit satisfiability. We present aPlonK, a variant of PlonK that reduces the proof size and verification time when multiple statements are proven in a batch. Both the aggregated proof size and the verification complexity of aPlonK are logarithmic in the number of aggregated statements. Our main building block, inspired by the techniques developed in SnarkPack (Gailly, Maller, Nitulescu, FC 2022), is a multi-polynomial commitment scheme, a new primitive that generalizes polynomial commitment schemes. Our techniques also include a mechanism for involving committed data into PlonK statements very efficiently, which can be of independent interest.
We also implement an open-source industrial-grade library for zero-knowledge PlonK proofs with support for aPlonK. Our experimental results show that our techniques are suitable for real-world applications (such as blockchain rollups), achieving significant performance improvements in proof size and verification time.
ePrint: https://eprint.iacr.org/2022/1352
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