Individual skill
zk-circuits
Zero-knowledge circuit development using Circom and Noir languages. Supports constraint optimization, ZK-friendly cryptographic primitives, proof generation (Groth16, PLONK), and Merkle tree implementations.
library/specializations/cryptography-blockchain/skills/zk-circuits/SKILL.md
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- Last checked
- Nov 9, 2026
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# ZK Circuit Development Skill
Zero-knowledge circuit development using Circom and Noir for privacy-preserving applications and zkRollups.
## Capabilities
- **Circom Circuits**: Write Circom templates and components
- **Noir Programs**: Develop Noir ZK applications
- **Constraint Optimization**: Minimize circuit constraints
- **ZK Primitives**: Use Poseidon, MiMC, and Pedersen hashes
- **Proof Systems**: Generate Groth16 and PLONK proofs
- **Signal Design**: Design efficient circuit inputs/outputs
- **Merkle Trees**: Implement membership and non-membership proofs
- **Witness Generation**: Create efficient witness calculators