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    83 repositories

    • cctp-go

      Public
      Go bindings and CLI for CCTP
      Go
      •
      GNU Lesser General Public License v3.0
      •1•1•0•1•Updated Apr 24, 2026Apr 24, 2026

    • arc-node

      Public
      The Economic OS for the internet
      rustblockchainarc
      rustblockchainarcevmusdcmalachite-engine
      Rust
      •
      Apache License 2.0
      •50•63•3•5•Updated Apr 24, 2026Apr 24, 2026

    • malachite-mempool

      Public
      Malachite mempool implementation for efficient transaction management in consensus systems
      malachite-engine
      malachite-engine
      Rust
      •
      Apache License 2.0
      •9•2•1•8•Updated Apr 24, 2026Apr 24, 2026

    • skills

      Public
      Circle's open source skills for AI-assisted development.
      Apache License 2.0
      •14•88•5•7•Updated Apr 23, 2026Apr 23, 2026

    • arc-escrow

      Public
      This sample app demonstrates an end-to-end escrow workflow — from contract creation and deposit, through AI-validated deliverable submission, to fund release or…
      TypeScript
      •
      Apache License 2.0
      •9•14•1•7•Updated Apr 23, 2026Apr 23, 2026

    • malaketh-turbo

      Public
      malachite-engine
      malachite-engine
      Rust
      •
      Apache License 2.0
      •14•23•0•13•Updated Apr 23, 2026Apr 23, 2026

    • stablecoin-near

      Public
      Repository for Circle stablecoins on NEAR
      Rust
      •
      Apache License 2.0
      •8•5•0•7•Updated Apr 22, 2026Apr 22, 2026

    • stablecoin-xlm

      Public
      Source repository for smart contracts used by Circle's stablecoins on the Stellar blockchain
      Rust
      •
      Apache License 2.0
      •7•0•0•4•Updated Apr 22, 2026Apr 22, 2026

    • stablecoin-evm

      Public
      Source repository for smart contracts used by Circle's stablecoins on EVM-compatible blockchains
      TypeScript
      •
      Apache License 2.0
      •537•739•22•100•Updated Apr 22, 2026Apr 22, 2026

    • malachite

      Public
      Flexible BFT consensus engine in Rust
      rustconsensusbft
      rustconsensusbfttendermintmalachite-engine
      Rust
      •
      Apache License 2.0
      •119•403•68•10•Updated Apr 22, 2026Apr 22, 2026

    • terraform-provider-quicknode

      Public
      Terraform Provider for Quicknode
      terraformterraform-providerquicknode
      terraformterraform-providerquicknode
      Go
      •
      Apache License 2.0
      •8•1•0•6•Updated Apr 21, 2026Apr 21, 2026

    • circle-bridge-kit-transfer

      Public
      A sample application that demonstrates how to use Bridge Kit to make cross chain USDC transfers with a wallet connect experience.
      TypeScript
      •
      Apache License 2.0
      •7•7•0•1•Updated Apr 16, 2026Apr 16, 2026

    • arc-multichain-wallet

      Public
      This sample app emonstrates how developers can build the best USDC interoperability UX for wallets using Arc and Gateway.
      TypeScript
      •
      Apache License 2.0
      •16•18•1•15•Updated Apr 16, 2026Apr 16, 2026

    • arc-commerce

      Public
      This sample app demonstrates how to integrate USDC as a payment method for purchasing credits on Arc.
      TypeScript
      •
      Apache License 2.0
      •17•24•0•17•Updated Apr 16, 2026Apr 16, 2026

    • arc-nanopayments

      Public
      This sample app demonstrates gasless USDC nanopayments using Circle Nanopayments on Arc.
      TypeScript
      •
      Apache License 2.0
      •4•2•0•9•Updated Apr 16, 2026Apr 16, 2026

    • arc-fintech

      Public
      This sample app demonstrates a multi-chain treasury management system with cross-chain interoperability.
      TypeScript
      •
      Apache License 2.0
      •10•18•0•7•Updated Apr 15, 2026Apr 15, 2026

    • aptos-cctp

      Public
      Official repository for Aptos smart contracts used by the Cross-Chain Transfer Protocol
      Move
      •15•8•2•15•Updated Apr 15, 2026Apr 15, 2026

    • circle-nodejs-sdk

      Public
      Node.js SDK for Circle API
      nodejssdk
      nodejssdk
      TypeScript
      •
      Apache License 2.0
      •34•32•2•4•Updated Apr 15, 2026Apr 15, 2026

    • 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…
      web3
      web3
      TypeScript
      •
      Apache License 2.0
      •9•16•0•10•Updated Apr 15, 2026Apr 15, 2026

    • circle-cctp-crosschain-transfer

      Public
      This sample application demonstrates Cross-Chain Transfer Protocol (CCTP) step-by-step capabilities on testnet networks.
      TypeScript
      •
      Apache License 2.0
      •17•12•0•5•Updated Apr 13, 2026Apr 13, 2026

    • arc-remote-signer

      Public
      Secure remote signing service for Arc Network using AWS Nitro Enclaves
      golangsigningblockchain
      golangsigningblockchainarcnitro-enclaves
      Go
      •
      Apache License 2.0
      •0•0•0•0•Updated Apr 10, 2026Apr 10, 2026

    • modularwallets-web-sdk

      Public
      web3
      web3
      TypeScript
      •
      Apache License 2.0
      •20•18•0•2•Updated Apr 9, 2026Apr 9, 2026

    • hyperevm-circle-contracts

      Public
      Repository for all HyperEVM contracts developed by Circle
      Solidity
      •
      Apache License 2.0
      •5•9•0•3•Updated Apr 9, 2026Apr 9, 2026

    • 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 in…
      web3
      web3
      Swift
      •
      Apache License 2.0
      •12•11•5•5•Updated Apr 8, 2026Apr 8, 2026

    • sui-cctp

      Public
      Official repository for Sui smart contracts used by the Cross-Chain Transfer Protocol
      Move
      •
      Apache License 2.0
      •23•15•1•6•Updated Apr 8, 2026Apr 8, 2026

    • solana-gateway-contracts

      Public
      Official repository for all Solana smart contracts used by Circle Gateway
      TypeScript
      •
      Apache License 2.0
      •4•2•0•3•Updated Apr 7, 2026Apr 7, 2026

    • dependency-review-action

      Public
      A GitHub Action for detecting vulnerable dependencies and invalid licenses in your PRs
      github-actions
      github-actions
      TypeScript
      •
      MIT License
      •168•3•0•11•Updated Apr 7, 2026Apr 7, 2026

    • contract-cli

      Public
      CLI for Managing Smart Contracts
      nodejssmart-contractsblockchain
      nodejssmart-contractsblockchainsmart-contract-tools
      TypeScript
      •
      Apache License 2.0
      •12•14•2•12•Updated Apr 6, 2026Apr 6, 2026

    • solana-cctp-contracts

      Public
      Official repository for Solana smart contracts used by the Cross-Chain Transfer Protocol
      Rust
      •
      Apache License 2.0
      •41•50•1•9•Updated Apr 3, 2026Apr 3, 2026

    • payments-sample-app

      Public
      Vue
      •
      Apache License 2.0
      •28•15•9•10•Updated Mar 31, 2026Mar 31, 2026
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