The post discusses 'Clean', a domain-specific language (DSL) designed for the formal verification of zero-knowledge (ZK) circuits within the Lean4 theorem proving environment. This innovation enhances the robustness of cryptographic systems by allowing developers to rigorously verify their implementations. The comments raise questions about whether EOF (End of File) techniques contribute to streamlining or improving the efficiency of this verification process. This suggests a growing interest in optimizing formal verification methods, potentially linking to broader trends in improving ZK circuit performance and usability. Key points include the importance of formal verification in cryptographic applications and the technical challenges that surround it, especially in ensuring correctness with increasing complexity of ZK circuits. The discussion indicates an opportunity for further exploration of interoperability and efficiency within verification frameworks.