ZoKrates

A comprehensive toolbox for zk-SNARKs on Ethereum that simplifies circuit construction through a high-level domain-specific language.

ZoKrates bridges the gap between abstract zero-knowledge proofs and practical blockchain implementation. It provides a Python-like DSL for writing circuits, a compiler to generate constraints (R1CS), and tools to export Solidity verifier contracts. Developers use it to prove complex computations (like private token transfers or Merkle tree inclusions) without revealing underlying data. By handling the heavy lifting of cryptographic primitives and proving schemes (such as Groth16 or GM17), ZoKrates allows teams to integrate privacy features into EVM-compatible dApps with minimal overhead.

https://zokrates.github.io/