# I Replaced a $100K Security Audit with a CI Pipeline — And It Caught More Bugs

When I built UltrafastSecp256k1 — a high-performance secp256k1 cryptography library targeting CPU, CUDA, OpenCL, Metal, ESP32, and a dozen other platforms — I faced a decision every serious crypto library author eventually faces. "You need a third-party audit." The quotes I got: $80K–$120K. Two week