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Isomorphic JavaScript helper functions (performance, crpyto, ..)
Cryptographic functions for ethereum and how to use them with web3 and solidity
TON transaction emulator
⚡🕰️ Drop-in solution to batch smart contract RPC calls in a single RPC query via Multicall!
JavaScript library of crypto standards.
Arbitrary precision modular arithmetic, cryptographically secure random numbers and strong probable prime generation/testing. It works in modern browsers, Angular, React, Node.js, etc. since it uses the native JS implementation of BigInt
Contract abstraction meta-class for ethers.
smart-buffer is a Buffer wrapper that adds automatic read & write offset tracking, string operations, data insertions, and more.
aes, for browserify
Contracts for Optimism Specs
Minimalistic tools for JS crypto modules
A node.js implementation of Hyperledger Fabric chaincode shim, to allow endorsing peers and user-provided chaincodes to communicate with each other
Secure Smart Contract library for Solidity
implementation of crypto for the browser
Mock smart contracts in a smart way.
A pure JS implementation SHA256.
Provides functions for detecting if the host environment supports the WebCrypto API
[Optimism] L1 and L2 smart contracts for Optimism
Polyfill crypto.randomUUID
SHA256 wrapper for browsers that prefers `window.crypto.subtle` but will fall back to a pure JS implementation in @aws-crypto/sha256-js to provide a consistent interface for SHA256.