Welcome to the resource topic for 2024/504
Title:
Polylogarithmic Proofs for Multilinears over Binary Towers
Authors: Benjamin E. Diamond, Jim Posen
Abstract:We introduce a polylogarithmic-verifier polynomial commitment scheme for multilinears over towers of binary fields. To achieve this, we adapt an idea of Zeilberger, Chen and Fisch’s BaseFold ('23) to the setting of binary towers, using FRI (ICALP '18)'s binary-field variant. In the process, we reinterpret Lin, Chung and Han (FOCS '14)'s novel polynomial basis so as to make apparent its compatibility with FRI. We moreover introduce a “packed” version of our protocol, which supports—with no embedding overhead during its commitment phase—multilinears over tiny fields (including that with just two elements). Our protocol leverages a new multilinear FRI-folding technique, and exploits the recent tensor proximity gap of Diamond and Posen (Commun. Cryptol. '24). We achieve concretely small proofs for enormous binary multilinears, shrinking the proofs of Diamond and Posen ('23) by an order of magnitude.
ePrint: https://eprint.iacr.org/2024/504
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