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title: Core Cryptography Library (ZKP & MPC Infrastructure)
start: 2022-01-01
end: 2026-02-01
project-url: https://github.com/sonr-io/crypto
associated-with: ../experience/sonr.yml
skills:
- Go
- Security Testing
- Quantum Computing
- Cryptography
description: |
- Implemented advanced Zero-Knowledge Proof (ZKP) systems, including Bulletproofs (Range Proofs and Inner Product Proofs) and cryptographic accumulators, leveraging the Fiat-Shamir heuristic for efficient, non-interactive verification.
- Designed Multi-Party Computation (MPC) and Distributed Key Generation (DKG) protocols, enabling decentralized infrastructure through Threshold ECDSA/Ed25519, FROST, and Gennaro signature schemes without single points of failure.
- Engineered highly secure, constant-time elliptic curve arithmetic across multiple standards (secp256k1, Ed25519, BLS12-381, NIST P-Curves), strictly enforcing safeguards against side-channel timing attacks, signature malleability, and nonce reuse.
- Hardened system security by integrating AES-GCM authenticated encryption and Argon2id memory-hard key derivation, backed by an exhaustive suite of automated security tests, race-condition checks, and performance benchmarks.