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The following projects serve as reference implementations for features of Circle developer tools. These projects include examples that you can use as a foundation to build your own projects.

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Wallets

Wallets provides a comprehensive solution for you to build flexible, secure, and scalable embedded wallets within your applications. For more information, see the Wallets documentation.

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Paymaster

Circle Paymaster allows your users to pay for network (gas) fees using USDC tokens, instead of chain native tokens.

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Circle Mint

Circle Mint is a fast and cost-effective way to access and redeem USDC and EURC. For more information, see the Circle Mint documentation.

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CCTP

Cross-Chain Transfer Protocol (CCTP) is an on-chain utility that allows for USDC transfers between blockchains via native burning and minting. For more information, see the CCTP documentation.

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Circle Research

Circle Research develops cutting-edge insights and reference materials. For more information see the Circle Research homepage.
Circle Research projects are experimental. Make sure you test your code thoroughly if you are integrating ideas from these repositories.