Gevulot Docs
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Gevulot programs come in two varieties: provers and verifiers. A verifier program can be deployed standalone, while a prover program must always be deployed with an accompanying verifier program (referred to jointly as a proof system). There are no hard constraints on what gevulot programs need to contain, besides that the prover program must output a proof that can be verified by the verifier program for the system to be useful.
Both types of programs can be written in a variety of languages such as Rust, C, C++, etc, and are compiled into unikernel images. Most open source prover implementations can be compiled into unikernel images with minimal or no modification. Examples for Marlin, ED25519 and Filecoin SNARK provers can be found here.
Supported languages: C, C++, Go, Java, Node.js, Python, Rust, Ruby and PHP.