Real USDC is now live on Sui Network.
Circle's CCTP V2 is now live on Sui Network, bringing native USDC to the chain and eliminating the need for wrapped tokens or third-party bridges.
@圆圈's Cross-Chain Transfer Protocol V2 (CCTP V2) is now live on @Sui网, marking a significant infrastructure upgrade for the layer-1 blockchain. Sui has launched Circle CCTP V2, enabling native $ USDC to be transferred between Sui and 29 other supported chains.
What CCTP V2 Actually Does
CCTP is Circle's official cross-chain protocol for moving native USDC between blockchains. 其机制很简单： it burns $USDC on the source chain and mints native, Circle-issued $USDC on the destination chain, ensuring every token is fully backed, directly redeemable, and part of a single unified liquidity pool.
The upgrade to V2 brings meaningful speed improvements. CCTP V2 introduces "Fast Transfer," which uses Circle's own attestation as the finality guarantee, dropping the end-to-end window to 8 to 20 seconds on supported chains. For context, transfers from Ethereum under the older model could take considerably longer. V2 also introduces programmable Hooks, enabling atomic execution of arbitrary actions alongside cross-chain transfers.
Why This Matters for Sui
The practical implication for Sui users and developers is the removal of bridge dependency. The update allows $USDC to be burned on the source chain and minted on Sui, eliminating the need for bridges. That is not a minor footnote. Bridges have historically been among the most exploited infrastructure in crypto, with hundreds of millions of dollars lost to bridge-related hacks in recent years.
Circle holds mint authority, so the supply on Sui comes directly from the issuer. No wrapped token is created. This is a cleaner, more secure arrangement than relying on third-party bridged representations of $USDC, which carry counterparty and smart contract risk by design.
开发者现在可以直接构建链上支付和资金管理工具。 on Sui without engineering around bridge limitations or fragmented liquidity. For a network competing for DeFi developer mindshare, that is a meaningful structural improvement even if it does not generate immediate headlines.
来源：
Circle: CCTP V2, The Future of Cross-Chain
KuCoin: Sui Launches Circle CCTP V2, Native USDC Now Transferable Across 29 Chains
CoinGabbar: Sui CCTP V2, Faster USDC Transfers
