Repositories list

• malachite

  Public
  Flexible BFT consensus engine in Rust

  rustconsensusbft+ 2tendermintmalachite-engine

  Rust

  •

  Apache License 2.0

  •65•304•68•16•Updated Sep 18, 2025Sep 18, 2025

• payments-sample-app

  Public
  Vue

  •

  Apache License 2.0

  •22•12•10•28•Updated Sep 17, 2025Sep 17, 2025

• malaketh-layered

  Public
  Malachite as consensus engine for Ethereum execution clients via Engine API

  malachite-engine

  Rust

  •

  Apache License 2.0

  •11•18•1•8•Updated Sep 17, 2025Sep 17, 2025

• circle-cctp-crosschain-transfer

  Public
  This sample application demonstrates Cross-Chain Transfer Protocol (CCTP) step-by-step capabilities on testnet networks.

  TypeScript

  •4•0•0•1•Updated Sep 17, 2025Sep 17, 2025

• w3s-sample-user-controlled-client-web

  Public
  TypeScript

  •

  Apache License 2.0

  •20•15•0•6•Updated Sep 13, 2025Sep 13, 2025

• circle-nodejs-sdk

  Public
  Node.js SDK for Circle API

  nodejssdk

  TypeScript

  •

  Apache License 2.0

  •28•30•2•4•Updated Sep 13, 2025Sep 13, 2025

• txt2txn-web

  Public
  Frontend repo for the TXT2TXN Circle Research x Berkeley project on AI and Intents.

  TypeScript

  •

  MIT License

  •2•8•1•6•Updated Sep 13, 2025Sep 13, 2025

• actions-checkstyle

  Public
  Apache License 2.0

  •17•1•0•0•Updated Sep 12, 2025Sep 12, 2025

• noble-cctp

  Public
  noblecctp

  Go

  •

  Apache License 2.0

  •29•21•4•9•Updated Sep 12, 2025Sep 12, 2025

• w3s-sample-user-controlled-server-node

  Public
  TypeScript

  •

  Apache License 2.0

  •18•9•1•8•Updated Sep 11, 2025Sep 11, 2025

• circle-public-github-workflows

  Public
  github-actions

  Apache License 2.0

  •5•1•0•0•Updated Sep 11, 2025Sep 11, 2025

• dependency-review-action

  Public
  A GitHub Action for detecting vulnerable dependencies and invalid licenses in your PRs

  github-actions

  TypeScript

  •

  MIT License

  •140•2•0•6•Updated Sep 11, 2025Sep 11, 2025

• modularwallets-web-sdk

  Public
  web3

  TypeScript

  •

  Apache License 2.0

  •11•11•0•3•Updated Sep 11, 2025Sep 11, 2025

• circle-ooak

  Public
  OOAK: Object-Oriented Agent Kit.

  workflowresearchai+ 2intentsagents

  Python

  •

  Apache License 2.0

  •0•1•0•0•Updated Sep 8, 2025Sep 8, 2025

• buidl-wallet-contracts

  Public
  Official repository for all buidl wallet contracts

  Solidity

  •

  GNU General Public License v3.0

  •26•11•1•5•Updated Sep 8, 2025Sep 8, 2025

• terraform-provider-quicknode

  Public
  Terraform Provider for Quicknode

  terraformterraform-providerquicknode

  Go

  •

  Apache License 2.0

  •5•1•0•6•Updated Sep 8, 2025Sep 8, 2025

• aptos-cctp

  Public
  Official repository for Aptos smart contracts used by the Cross-Chain Transfer Protocol

  Move

  •7•6•1•6•Updated Sep 4, 2025Sep 4, 2025

• w3s-react-native-sample-app-wallets

  Public
  Explore React Native mobile sample applications to learn and understand the capabilities of Circle's Web3 Services. This sample application provides a practical way to test the integration of Circle's User-Controlled Wallets SDK into your mobile projects.

  web3

  TypeScript

  •

  Apache License 2.0

  •6•11•0•5•Updated Sep 2, 2025Sep 2, 2025

• w3s-digital-wallet-iOS-sample-app

  Public
  A demonstration of integrating social sign-in functionality with web3 wallet generation.

  iosweb3

  JavaScript

  •

  Apache License 2.0

  •15•17•0•4•Updated Aug 31, 2025Aug 31, 2025

• w3s-programmable-wallets-test-server

  Public
  JavaScript

  •

  Apache License 2.0

  •10•14•0•2•Updated Aug 31, 2025Aug 31, 2025

• malachite-mempool

  Public
  Malachite mempool implementation for efficient transaction management in consensus systems

  malachite-engine

  Rust

  •

  Apache License 2.0

  •5•2•1•2•Updated Aug 29, 2025Aug 29, 2025

• malaketh-turbo

  Public
  malachite-engine

  Rust

  •

  Apache License 2.0

  •10•20•0•4•Updated Aug 29, 2025Aug 29, 2025

• cctp-sample-app

  Public archive
  Sample app to demonstrate capabilities of Cross-Chain Transfer Protocol (CCTP)

  TypeScript

  •

  Apache License 2.0

  •88•87•2•13•Updated Aug 28, 2025Aug 28, 2025

• noble-fiattokenfactory

  Public
  Repository for Noble fiat token factory code

  Go

  •

  Apache License 2.0

  •22•6•3•20•Updated Aug 28, 2025Aug 28, 2025

• w3s-react-native-sdk

  Public
  The Circle React Native SDK enables your mobile application to provide user-controlled programmable wallets. By integrating this SDK, your users can securely input sensitive data like PINs or security answers. The SDK encrypts the request body using a secret key, protecting your users' information.

  web3

  Swift

  •

  Apache License 2.0

  •7•6•3•1•Updated Aug 25, 2025Aug 25, 2025

• solana-cctp-contracts

  Public
  Official repository for Solana smart contracts used by the Cross-Chain Transfer Protocol

  Rust

  •

  Apache License 2.0

  •29•31•1•6•Updated Aug 22, 2025Aug 22, 2025

• sui-cctp

  Public
  Official repository for Sui smart contracts used by the Cross-Chain Transfer Protocol

  Move

  •

  Apache License 2.0

  •9•11•1•3•Updated Aug 22, 2025Aug 22, 2025

• evm-cctp-contracts

  Public
  Official repository for all EVM-compatible smart contracts used by the Cross-Chain Transfer Protocol

  Solidity

  •

  Apache License 2.0

  •101•167•6•17•Updated Aug 22, 2025Aug 22, 2025

• stablecoin-evm

  Public
  Source repository for smart contracts used by Circle's stablecoins on EVM-compatible blockchains

  JavaScript

  •

  Apache License 2.0

  •472•657•20•79•Updated Aug 21, 2025Aug 21, 2025

• contract-cli

  Public
  CLI for Managing Smart Contracts

  nodejssmart-contractsblockchain+ 1smart-contract-tools

  TypeScript

  •

  Apache License 2.0

  •11•13•2•4•Updated Aug 13, 2025Aug 13, 2025