JSPM

A modern, type-safe library for handling cryptographic operations across different curves (secp256k1, ed25519) and schemes (ECDSA, Schnorr, EdDSA).

Signs/checks message signatures like core-lightning checkmessge or lnd signmessage.

Ethereum integration for ProofPack with ES256K signatures, EAS attestations, and multi-network blockchain verification

A WebCrypto polyfill that "smooths out" the rough-edges in existing User Agent implementations.

A utility tool for backing up and restoring vault data with encryption

Library for encoding ECDSA private keys to PEM, DER and raw hex formats

Browser, Node, and bundler compatible release of @noble/secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

A BIP32 compatible library

Cryptographic primitives such as digests (hashing) and Elliptic Curve Cryptography (ECC) methods such as key generation, signing and verify.

this project is intended as an easy to use ecdsa

lightweight atproto cryptographic library

A complete Hierarchical Deterministic (HD) Wallet generator for 200+ cryptocurrencies, built with TypeScript.

Web5 cryptographic library

A Hybrid Public Key Encryption (HPKE) module extension for secp256k1 curve (EXPERIMENTAL)

Fastest 4KB JS implementation of secp256k1 ECDH & ECDSA signatures compliant with RFC6979

Library for operations on secp256k1 keys.

Comprehensive cryptography library with Web3 integration, supporting symmetric/asymmetric encryption, digital signatures, JWT tokens, blockchain address generation, and secure key management

WebAssembly port of Secp256k1

A universal JavaScript ECC digital signature and key utility package for Antelope based blockchains.

Zero-dependency, secure key generation library. Supports ed25519, x25519, secp256k1, RSA, and WireGuard keys.

Web5 cryptographic library

All the cryptographic primitives used in Ethereum

Wrapper for Bitcoin libsecp256k1

Tiny SECP256k1 and ECDSA implementation

A BIP32 compatible library

Elliptic curve cryptography library (NodeJS, Browser and Pure JS)

JavaScript/TypeScript implementation of the Data Integrity BIP340 Cryptosuite v0.1 specification. Used by various parts of the did-btc1-js monorepo.

JavaScript Elliptic curve cryptography library

Secp256k1 adapter for WebAssembly and JS implementations

'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Enhanced signature and key exchange functions for blockchain and crypto applications, including post-quantum algorithms

An ultra lightweight (2 kbyte) pure JavaScript implimentation for the secp256k1 curve for node and browsers.

All the cryptographic primitives used in Ethereum

node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

Compiled webassembly of bitcoin secp256k1

A library to decompose and compose crypto keys of different types and formats

[secp256k1](https://www.secg.org/sec2-v2.pdf), an elliptic curve that could be used for asymmetric encryption, ECDH key agreement protocol and deterministic ECDSA signature scheme from RFC6979.

WebAssembly port of Secp256k1 signatures and key exchange

only one no dependencied ecdsa secp256k1 by native js.

zero knowledge authentication and api keys

pure javascript for BIP32

A universal JavaScript Elliptic Curve Digital Signature Algorithm (ECDSA) for the Koblitz secp256k1 curve.

secp256k1-zkp node package for MW.

Use this to encrypt, decrypt, sign and verify data with an ethereum public- or privateKey

N-API Crypto bindings.

Desig: The Blockchain-Agnostic Multisig Solution.

Better JavaScript Elliptic curve cryptography library

This project extends @noble/curves to allow randomBytes to be specified externally

Tiny tools, big crypto — seamless encryption and certificate handling for modern web and Node apps.

Core identity and cryptographic primitives for AgentAuth

lib for keys derivation, mainly derive an ECDSA SECP256K1 pubkey via chaincode and derivation path

Humble fork of the @noble/secp256k1 library by Paul Miller.

React Native wrapper for cryptographic functions, leveraging Trezor Crypto and secp256k1 libraries

Lib providing cryptographic functions

Mnemonic Keyring for secp256k1 and ed25519

A comprehensive Ethereum cryptography toolkit for key derivation, signing, encryption, and smart contract integration with Web3 and Solidity.

node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

nyren-ts256k1 is a TypeScript library for working with the secp256k1 elliptic curve. It includes functionality for key generation, encryption, and decryption using secp256k1 and the xchacha20poly1305 algorithm

Comprehensive JavaScript cryptocurrency wallet library for Bitcoin (BTC), Bitcoin Cash (BCH), and Bitcoin SV (BSV) with custodial and non-custodial wallet support, threshold signatures, and multiple address formats

bitcoin-core/secp256k1 working with react-native

Hybrid EC encryption scheme that EC curve secp256k1, and chacha20-poly1305 or aes-256-gcm to encrypt data. The returned data is a packed Buffer with the public key, nonce/iv, tag, and encrypted data.

A TypeScript implementation of Verifiable Random Functions (VRF) for secp256k1

Cryptographic functions for ethereum and how to use them with web3 and solidity

JSON Web Almost Everything - JWA, JWS, JWE, JWK, JWT, JWKS for Node.js with minimal dependencies

EcdsaSecp256k1Signature2019 JSON-LD Signature Suite

A set of custom crypto protocols

Elliptic Curve arithmetic for up to 256-bit curves written in solidity

A suite of cryptographic utilities, including signal protocol, AES, and public key encryption for secure messaging.

🔐 Add scalar values to EC points on secp256k1 - the simplest Bitcoin scalar addition library

Beraji: Distributed Secret Sharing.

Elliptic Curve Integrated Encryption Scheme for secp256k1

A utility tool to generate structured string that can be JSON schema validated, signed and verified, and optionally made expired using totp.

React Native library for encoding ECDSA private keys to PEM, DER and raw hex formats

JavaScript Elliptic curve cryptography library

Discrete Node.js solution for secure access to encrypted data, using ephemeral tokens.

Library for encoding ECDSA private keys to PEM, DER and raw hex formats

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Elliptic Curve Integrated Encryption Scheme for secp256k1

Pure JavaScript ES modules version of @noble/curves - Audited & minimal JS implementation of elliptic curve cryptography

Canonicalize secp256k1 private keys to ensure public keys always start with 02

Utilities for expermenting with cryptography

A WebCrypto Polyfill built on PKCS11

JS `secp256k1` elliptic curve operations for use with [`noise-handshake`](https://github.com/chm-diederichs/noise-handshake)

Converter for elliptic curves public and priveta keys from simple binary to PEM and DER formats.

*This repository is meant only as a dependency for Backbone*

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

key conversion tools for key, between der and pem

Software-based cryptographic adapter for VQP

Bitgesell BitcoinJS

tweak a taproot pubkey using elliptic curve operations

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

JavaScript Bitgesell library

Repo for Node implementation of Planet Nine Cryptography

Cryptographic functions for ethereum and how to use them with web3 and solidity

A WebAssembly (WASM) module for generating and searching for rare secp256k1 cryptographic keys, designed for integration with the VisualKey app.

JavaScript Bitgesell library For React Native

Compchain encryption library

JavaScript Elliptic curve cryptography library

node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

Universal 'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK with no dependencies

Core lib for Kylan

JavaScript Elliptic curve cryptography library

react-native library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

JavaScript Bitgesell library

A universal JavaScript (Node.js, Deno.js and client) EOSIO (and Antelope) based digital signature package with key utilities.

End-to-end encryption using secp256k1 keys (compatible with EVM wallets)

Verifiable Random Function (VRF) library written in Solidity

Streamlines key generation, derivation, and management through its simple and intuitive API

Cryptographic functions for ethereum and how to use them with web3 and solidity

[](https://travis-ci.com/ega-forever/esss)

JavaScript Bitcoin library

'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

A library to store and share documents securely with end to end encryption

A BIP32 compatible library

This module provides js implementation to ecdsa secp256k1 functions

Elliptic curve cryptography library (NodeJS, Browser and Pure JS)

'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Authentication for web3 accounts

Crypto Certificate Library

Unlinkable ring signatures for Nostr-compatible secp256k1 keys

JavaScript Elliptic Curve Integrated Encryption Scheme Library - Based of Parity's implementation

Cryptographic functions for ethereum and how to use them with web3 and solidity

Another attempt implement fast cryptography for JavaScript

Cryptographic functions for ethereum and how to use them with web3 and solidity

Authentication for web3 accounts

A WebCrypto polyfill that "smooths out" the rough-edges in existing User Agent implementations.

A WebCrypto polyfill that "smooths out" the rough-edges in existing User Agent implementations.

JavaScript Elliptic curve cryptography library, includes fix to browser.js so that encrypt/decrypt works

Elliptic Curve Integrated Encryption Scheme (ECIES) implementation for node.js

JavaScript Elliptic curve cryptography library

A library to decompose and compose crypto keys of different types and formats

Verify messages signed via DASH addresses.

JavaScript Elliptic curve cryptography library, includes fix to browser.js so that encrypt/decrypt works

'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

A library for WASM bindings for tiny-secp256k1

JavaScript Elliptic curve cryptography library

JavaScript Elliptic curve cryptography library

Universal 'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK with no dependencies

A BIP32 compatible library for Bitcoin II

Elliptic Curve Integrated Encryption Scheme (ECIES) implementation for node.js

JavaScript Elliptic curve cryptography library

This module provides a pure js implementation of secp256k1-node

node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

A BIP32 compatible library

ECVRF implementation for Fuel blockchain

fork of secp256k1 -- using js only version for cross-platform container deploy (not optimal solution)

JavaScript Elliptic curve cryptography library

Universal 'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK with no dependencies

A TypeScript library providing cryptographic utilities

A react-native BIP32 compatible library

A proxy re-encryption implementation using the secp256k1 curve.

BeraSig: Distributed Secret Sharing.

Support for secp256k1 keys in libp2p-crypto

CLI tool for generating simple keypairs

Sign and verify Secp256k1 ECDSA signatures in TypeScript. Compatible with Solana wallets and on-chain verification.

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

secp256k1、sm2p256v1 keytools by js

A BIP32 compatible library

DID Key Method

Authentication for web3 accounts

ultra-lightweight library for Bitcoin, Bitcoin Cash, and Bitauth