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1000+ packages found

Isomorphic JavaScript helper functions (performance, crpyto, ..)

published version 0.2.5, 3 years ago11 dependents licensed under $MIT
3,776,951

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

published version 2.8.0, 6 days ago266 dependents licensed under $MIT
100,309

TON transaction emulator

published version 0.28.0, a month ago7 dependents licensed under $MIT
42,126

⚡🕰️ Drop-in solution to batch smart contract RPC calls in a single RPC query via Multicall!

published version 6.5.0, 2 months ago19 dependents licensed under $MIT
137,076

JavaScript library of crypto standards.

published version 4.2.0, 2 years ago14032 dependents licensed under $MIT
35,135,631

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

published version 3.3.0, 2 years ago43 dependents licensed under $MIT
483,963

Contract abstraction meta-class for ethers.

published version 5.8.0, 2 months ago1085 dependents licensed under $MIT
3,961,800

smart-buffer is a Buffer wrapper that adds automatic read & write offset tracking, string operations, data insertions, and more.

published version 4.2.0, 4 years ago552 dependents licensed under $MIT
92,315,576

aes, for browserify

published version 1.2.0, 7 years ago600 dependents licensed under $MIT
38,019,672

Contracts for Optimism Specs

published version 0.17.3, a year ago15 dependents licensed under $MIT
159,646

Minimalistic tools for JS crypto modules

published version 1.0.1, 8 years ago415 dependents licensed under $MIT
42,346,169

A node.js implementation of Hyperledger Fabric chaincode shim, to allow endorsing peers and user-provided chaincodes to communicate with each other

published version 2.5.8, 5 months ago19 dependents licensed under $Apache-2.0
122,789

Secure Smart Contract library for Solidity

published version 5.3.0, 20 days ago3484 dependents licensed under $MIT
2,405,098

implementation of crypto for the browser

published version 3.12.1, 6 months ago2025 dependents licensed under $MIT
37,636,615

Mock smart contracts in a smart way.

published version 4.0.4, 2 years ago3 dependents licensed under $MIT
291,937

A pure JS implementation SHA256.

published version 5.2.0, 2 years ago5183 dependents licensed under $Apache-2.0
90,990,473

Provides functions for detecting if the host environment supports the WebCrypto API

published version 5.2.0, 2 years ago9 dependents licensed under $Apache-2.0
76,812,535

[Optimism] L1 and L2 smart contracts for Optimism

published version 0.6.0, 2 years ago63 dependents licensed under $MIT
409,407

Polyfill crypto.randomUUID

published version 1.0.0, 4 years ago6 dependents licensed under $MIT
11,448,673

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.

published version 5.2.0, 2 years ago5130 dependents licensed under $Apache-2.0
76,209,533