# CCTP Supported Blockchains V1

**This is CCTP V1 (Legacy) version. For the latest version, see** [**CCTP**](https://developers.circle.com/cctp)**.**

CCTP V1 is available on the following blockchains where USDC is natively issued, providing **Standard Transfer** functionality.

## Mainnet

* Aptos
* Arbitrum
* Avalanche
* Base
* Ethereum
* Noble
* OP Mainnet
* Polygon PoS
* Solana
* Sui
* Unichain

## Testnet

* Aptos Testnet
* Arbitrum Sepolia
* Avalanche Fuji
* Base Sepolia
* Ethereum Sepolia
* Noble Testnet
* OP Sepolia
* Polygon PoS Amoy
* Solana Devnet
* Sui Testnet
* Unichain Sepolia


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