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The App Kit SDK includes the Bridge capability that lets you move USDC across blockchains in a few lines of code. It abstracts the underlying CCTP flow so you can bridge without orchestrating the low-level burn, attestation, and mint steps yourself.

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Quick look

This code snippet bridges between an EVM and non-EVM chain in a single method call:
TypeScript
// Transfer 1.00 USDC from Solana to Arc
const result = await kit.bridge({
  from: { adapter: solanaAdapter, chain: "Solana_Devnet" },
  to: { adapter: viemAdapter, chain: "Arc_Testnet" },
  amount: "1.00",
});
For a complete end-to-end flow, follow the quickstart.

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Installation

Install the App Kit SDK to use Bridge. If you only need to bridge and don’t want to install the full App Kit SDK, follow the steps below to install the standalone Bridge Kit.
1

Install Bridge Kit

npm install @circle-fin/bridge-kit
2

Install adapters

Install the adapters you need for the chains you plan to bridge between.
npm install @circle-fin/adapter-viem-v2 viem