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Overview of the Halo2 Challenge API and Random Linear Combinations (RLC) - HackMD

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We introduce the concept of the Challenge API in vanilla (PSE) Halo2 and then discuss an important application of this API to a technique around random linear combinations (RLC). This is a new feature only introduced in the Privacy Scaling Exploration’s fork of Halo2.

Overview of the Halo2 Challenge API and Random Linear Combinations (RLC) - HackMD # Overview of the Halo2 Challenge API and Random Linear Combinations (RLC) ###### tags: `explainers` We introduce the concept of the **Challenge API** in vanilla (PSE) Halo2 and then discuss an important application of this API to a technique around **random linear combinations (RLC)**. This is a new feature only introduced in the Privacy Scaling Exploration's fork of Halo2. ## Recap of "basic" Halo2 We start by reviewing the basic idea around Halo2 with PLONKish arithmetization. The Prover supplies a bun

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