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    61 repositories

    • aptos-cctp

      Public
      Official repository for Aptos smart contracts used by the Cross-Chain Transfer Protocol
      Move
      •7•7•1•7•Updated Jul 31, 2025Jul 31, 2025

    • modularwallets-web-sdk

      Public
      web3
      TypeScript
      •
      Apache License 2.0
      •10•9•0•1•Updated Jul 29, 2025Jul 29, 2025

    • stablecoin-near

      Public
      Repository for Circle stablecoins on NEAR
      Rust
      •
      Apache License 2.0
      •4•3•0•4•Updated Jul 28, 2025Jul 28, 2025

    • modularwallets-android-sdk

      Public
      javasdk
      Kotlin
      •
      Apache License 2.0
      •7•4•0•0•Updated Jul 24, 2025Jul 24, 2025

    • modularwallets-ios-sdk

      Public
      swiftios
      Swift
      •
      Apache License 2.0
      •1•2•3•0•Updated Jul 24, 2025Jul 24, 2025

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

      Public
      TypeScript
      •
      Apache License 2.0
      •14•8•1•7•Updated Jul 24, 2025Jul 24, 2025

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

      Public
      TypeScript
      •
      Apache License 2.0
      •17•13•0•5•Updated Jul 24, 2025Jul 24, 2025

    • buidl-wallet-contracts

      Public
      Official repository for all buidl wallet contracts
      Solidity
      •
      GNU General Public License v3.0
      •24•13•0•5•Updated Jul 22, 2025Jul 22, 2025

    • stablecoin-aptos

      Public
      Source repository for smart contracts used by Circle's stablecoins on Aptos blockchain
      Move
      •11•5•0•3•Updated Jul 22, 2025Jul 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
      •95•163•6•15•Updated Jul 22, 2025Jul 22, 2025

    • evm-gateway-contracts

      Public
      Official repository for all EVM-compatible smart contracts used by Circle Gateway
      Solidity
      •
      Apache License 2.0
      •3•1•0•0•Updated Jul 22, 2025Jul 22, 2025

    • circle-nodejs-sdk

      Public
      Node.js SDK for Circle API
      nodejssdk
      TypeScript
      •
      Apache License 2.0
      •26•30•2•4•Updated Jul 21, 2025Jul 21, 2025

    • noble-fiattokenfactory

      Public
      Repository for Noble fiat token factory code
      Go
      •
      Apache License 2.0
      •20•6•3•17•Updated Jul 18, 2025Jul 18, 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
      •6•6•3•0•Updated Jul 16, 2025Jul 16, 2025

    • terraform-provider-quicknode

      Public
      Terraform Provider for Quicknode
      terraformterraform-providerquicknode
      Go
      •
      Apache License 2.0
      •5•1•0•6•Updated Jul 16, 2025Jul 16, 2025

    • chainmail

      Public
      Chainmail: authenticated email using the blockchain.
      researchemailpgpphishing
      Python
      •
      Apache License 2.0
      •5•7•0•8•Updated Jul 15, 2025Jul 15, 2025

    • noble-cctp

      Public
      noblecctp
      Go
      •
      Apache License 2.0
      •29•20•4•8•Updated Jul 8, 2025Jul 8, 2025

    • solana-cctp-contracts

      Public
      Official repository for Solana smart contracts used by the Cross-Chain Transfer Protocol
      Rust
      •
      Apache License 2.0
      •28•25•1•4•Updated Jun 26, 2025Jun 26, 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
      •5•11•0•5•Updated Jun 25, 2025Jun 25, 2025

    • sui-cctp

      Public
      Official repository for Sui smart contracts used by the Cross-Chain Transfer Protocol
      Move
      •
      Apache License 2.0
      •8•10•1•1•Updated Jun 24, 2025Jun 24, 2025

    • perimeter-protocol

      Public archive
      Official repository for the Perimeter Protocol
      TypeScript
      •
      Apache License 2.0
      •26•69•0•13•Updated Jun 24, 2025Jun 24, 2025

    • stablecoin-evm

      Public
      Source repository for smart contracts used by Circle's stablecoins on EVM-compatible blockchains
      JavaScript
      •
      Apache License 2.0
      •449•633•19•66•Updated Jun 24, 2025Jun 24, 2025

    • payments-sample-app

      Public
      Vue
      •
      Apache License 2.0
      •17•10•10•29•Updated Jun 24, 2025Jun 24, 2025

    • centre-ecosystem

      Public
      MIT License
      •34•44•1•2•Updated Jun 18, 2025Jun 18, 2025

    • ethereum-fast-confirmation-rule

      Public archive
      Prototype implementation and research tooling for exploring an Ethereum confirmation rule
      Python
      •
      Other
      •4•5•0•1•Updated Jun 10, 2025Jun 10, 2025

    • refund-protocol

      Public
      Refund Protocol: a smart contract for stablecoin payment disputes.
      researchblockchainerc20
      Solidity
      •
      Apache License 2.0
      •4•20•2•0•Updated Apr 2, 2025Apr 2, 2025

    • msca-wallet-recovery

      Public
      Official repository for interfacing with modular smart contract account (MSCA) wallets
      TypeScript
      •
      Apache License 2.0
      •4•2•0•0•Updated Mar 18, 2025Mar 18, 2025

    • w3s-pw-web-sdk

      Public
      web3
      TypeScript
      •
      Other
      •16•13•6•4•Updated Mar 11, 2025Mar 11, 2025

    • verite-credential-utils

      Public archive
      TypeScript
      •
      MIT License
      •11•7•1•3•Updated Mar 3, 2025Mar 3, 2025

    • verite

      Public archive
      TypeScript
      •
      MIT License
      •64•141•5•9•Updated Mar 3, 2025Mar 3, 2025