Cross-Chain Transfer Protocol (CCTP)
Native USDC burn-and-mint. No wrapped tokens, no liquidity pools — true native transfers across chains.
Protocol
CCTP v2
Fast + Standard transfers
Domains
5
Testnet chains
Speed (Fast)
~2 min
Finality-based attestation
Speed (Standard)
~15 min
Full confirmation
CCTP Domain Map
Each chain has a unique CCTP domain ID for routing.
| Chain | Domain ID | Status |
|---|---|---|
| ETH-SEPOLIA | 0 | Active |
| ARB-SEPOLIA | 3 | Active |
| BASE-SEPOLIA | 6 | Active |
| POLY-AMOY | 7 | Active |
| SOL-DEVNET | 5 | Active |
Build CCTP Transfer
Calculate fees and generate transfer calldata.
CCTP Flow
How native USDC moves cross-chain without wrapping.
Approve USDC
→
Burn on Source
→
Circle Attestation
→
Mint on Dest