WebAssembly Bindings for libsecp256k1

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library 2.0.0 ·javascript
verified May 27, 2026

secp256k1-wasm provides high-performance WebAssembly bindings for `libsecp256k1`, the highly optimized C library for secp256k1 elliptic curve cryptography. This package enables cryptographic operations such as key generation, signature signing, and verification directly within JavaScript environments like web browsers and Node.js, offering near-native performance without requiring platform-specific native add-ons. The current stable version is 2.0.0, released in November 2023. While an explicit release cadence is not defined, releases appear to be feature-driven and occur periodically. Its primary differentiator is its reliance on Emscripten to compile the robust `libsecp256k1` to WebAssembly, making it ideal for applications where cryptographic throughput is critical, such as blockchain wallets or transaction processing, by avoiding the overhead of pure JavaScript implementations.

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