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Sindri Zero-Knowledge Proof CLI
Solidity smart contracts to vote anonymously on a free-gas network (Besu) using zk-SNARK.
This example uses the libsnark library to define an R1CS (Rank-1 Constraint System) that represents a simple circuit, where the output is the product of two input values. It then generates a proof for this circuit using the ppzkSNARK proof system provided by libsnark, and verifies the proof using the same library.