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    79 repositories

    • malaketh-turbo

      Public
      malachite-engine
      malachite-engine
      Rust
      •
      Apache License 2.0
      •14•22•0•11•Updated Mar 11, 2026Mar 11, 2026

    • malachite

      Public
      Flexible BFT consensus engine in Rust
      rustconsensusbft
      rustconsensusbfttendermintmalachite-engine
      Rust
      •
      Apache License 2.0
      •117•393•70•16•Updated Mar 11, 2026Mar 11, 2026

    • malachite-mempool

      Public
      Malachite mempool implementation for efficient transaction management in consensus systems
      malachite-engine
      malachite-engine
      Rust
      •
      Apache License 2.0
      •8•2•1•5•Updated Mar 11, 2026Mar 11, 2026

    • payments-sample-app

      Public
      Vue
      •
      Apache License 2.0
      •28•14•9•10•Updated Mar 10, 2026Mar 10, 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•15•0•10•Updated Mar 10, 2026Mar 10, 2026

    • arc-p2p-payments

      Public
      This sample app demonstrates a seamless, gasless P2P payment system on Arc.
      0•0•0•0•Updated Mar 10, 2026Mar 10, 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…
      0•0•0•0•Updated Mar 10, 2026Mar 10, 2026

    • arc-fintech

      Public
      This sample app demonstrates a multi-chain treasury management system with cross-chain interoperability.
      0•0•0•0•Updated Mar 10, 2026Mar 10, 2026

    • terraform-provider-quicknode

      Public
      Terraform Provider for Quicknode
      terraformterraform-providerquicknode
      terraformterraform-providerquicknode
      Go
      •
      Apache License 2.0
      •8•1•0•5•Updated Mar 9, 2026Mar 9, 2026

    • w3s-ios-sdk

      Public
      Objective-C
      •
      Apache License 2.0
      •9•12•2•2•Updated Mar 9, 2026Mar 9, 2026

    • skills

      Public
      Circle's open source skills for AI-assisted development.
      0•0•0•0•Updated Mar 6, 2026Mar 6, 2026

    • w3s-programmable-wallets-test-server

      Public
      JavaScript
      •
      Apache License 2.0
      •11•14•0•4•Updated Mar 6, 2026Mar 6, 2026

    • starknet-cctp

      Public
      Official repository for Starknet smart contracts used by the Cross-Chain Transfer Protocol
      Cairo
      •
      Apache License 2.0
      •5•0•0•4•Updated Mar 6, 2026Mar 6, 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•1•12•Updated Mar 6, 2026Mar 6, 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
      •6•3•0•7•Updated Mar 4, 2026Mar 4, 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
      •11•11•1•4•Updated Mar 4, 2026Mar 4, 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
      •12•18•0•6•Updated Mar 4, 2026Mar 4, 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
      •10•10•4•4•Updated Mar 4, 2026Mar 4, 2026

    • hyperevm-circle-contracts

      Public
      Repository for all HyperEVM contracts developed by Circle
      Solidity
      •
      Apache License 2.0
      •4•8•0•3•Updated Mar 1, 2026Mar 1, 2026

    • w3s-pw-web-sdk

      Public
      web3
      web3
      TypeScript
      •
      Other
      •23•15•7•7•Updated Mar 1, 2026Mar 1, 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
      •161•3•0•8•Updated Mar 1, 2026Mar 1, 2026

    • cctp-go

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

    • solana-gateway-contracts

      Public
      Official repository for all Solana smart contracts used by Circle Gateway
      TypeScript
      •
      Apache License 2.0
      •4•1•0•1•Updated Feb 22, 2026Feb 22, 2026

    • chainmail

      Public
      Chainmail: authenticated email using the blockchain.
      researchemailpgp
      researchemailpgpphishing
      Python
      •
      Apache License 2.0
      •7•6•0•14•Updated Feb 20, 2026Feb 20, 2026

    • stablecoin-near

      Public
      Repository for Circle stablecoins on NEAR
      Rust
      •
      Apache License 2.0
      •7•5•0•6•Updated Feb 20, 2026Feb 20, 2026

    • evm-xreserve-contracts

      Public
      Official repository for all EVM-compatible smart contracts used by Circle XReserve
      Solidity
      •
      Apache License 2.0
      •7•1•0•4•Updated Feb 19, 2026Feb 19, 2026

    • stablecoin-evm

      Public
      Source repository for smart contracts used by Circle's stablecoins on EVM-compatible blockchains
      JavaScript
      •
      Apache License 2.0
      •532•729•21•125•Updated Feb 17, 2026Feb 17, 2026

    • aptos-cctp

      Public
      Official repository for Aptos smart contracts used by the Cross-Chain Transfer Protocol
      Move
      •10•7•2•12•Updated Feb 11, 2026Feb 11, 2026

    • circle-nodejs-sdk

      Public
      Node.js SDK for Circle API
      nodejssdk
      nodejssdk
      TypeScript
      •
      Apache License 2.0
      •33•32•2•4•Updated Feb 11, 2026Feb 11, 2026

    • modularwallets-web-sdk

      Public
      web3
      web3
      TypeScript
      •
      Apache License 2.0
      •19•17•0•2•Updated Feb 9, 2026Feb 9, 2026