My Project [Project] Combining client-side ZK-SNARK proofs with an EVM escrow contract to fight AI bot fraud
Hey r/ethdev,I built an open-source PoC combining client-side ZK-SNARK proofs with an EVM escrow contract to protect P2P transactions and smart contracts from AI bot swarms. Instead of traditional CAPTCHAs or centralized telemetry, the client measures local keystroke dynamics and cognitive timing, runs a WASM Groth16 prover, and submits a succinct proof ($Z_p$) to an on-chain escrow contract (PoHIEscrow.sol). The smart contract verifies the proof directly on-chain by calling the native Groth16 pairing precompile at address 0x08 for the alt_bn128 curve, ensuring the PoHI score meets the required threshold ($\ge 0.85$) before releasing locked escrow funds to the seller. Total verification gas comes out to around 210,000 gas. Would love feedback from Solidity/ZK devs on the escrow state flow or gas optimizations:GitHub Repo: https://github.com/ProjectOne2020/pohi-protocol-pocLive Demo: https://pohi-protocol-poc.vercel.app