paulmillr/noble-hashes

TypeScript is a language for application scale JavaScript development

JS build tools. Includes tsconfigs, templates and CI workflows

Property based testing framework for JavaScript (like QuickCheck)

Benchmark your JS projects with nanosecond resolution

Micro testing framework with familiar syntax, multi-env ESM support & parallel execution

A complete and compact Ethereum library, for dapps, wallets and any other tools.

Solana Javascript API

Bitcoin BIP39: Mnemonic code for generating deterministic keys

Client-side Bitcoin JavaScript library

A BIP32 compatible library

A straightforward implementation of base58-check encoding

Anchor client

Audited & minimal JS implementation of elliptic curve cryptography

All the cryptographic primitives used in Ethereum

A collection of useful crypto utilities for @polkadot

Secure, audited & minimal implementation of BIP39 mnemonic phrases

Aptos SDK

Library for Signing and Verifying JWTs that use DIDs as issuers and JWEs that use DIDs as recipients

Coinbase Wallet JavaScript SDK

Various JavaScript/TypeScript utilities of wide relevance to the MetaMask codebase

JavaScript and TypeScript library to interact with the Internet Computer

Secure, audited & minimal implementation of BIP32 hierarchical deterministic (HD) wallets over secp256k1

JavaScript library for Starknet

JavaScript and TypeScript library to work with Internet Computer principals

Metaplex JavaScript SDK

Tools for making a Nostr client.

An interface over BIP-32 and BIP-39 key derivation paths

Tiny library with utility functions that can help with signing and verifying EIP-712 based messages

Public Key Infrastructure (PKI) is the basis of how identity and key management is performed on the web today. PKIjs is a pure JavaScript library implementing the formats that are used in PKI applications. It is built on WebCrypto and aspires to make it possible to build native web applications that utilize X.509 and the related formats on the web without plug-ins

Noise libp2p handshake for js-libp2p

One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers

Encodes and decodes address formats for various cryptocurrencies

JavaScript and TypeScript library to manage identity with the Internet Computer

Ability to test bloom filters for ethereum.