This skill should be used when implementing CCTP (Cross-Chain Transfer Protocol) for USDC bridging, working with Circle's attestation API, understanding CCTP domains and finality, or building crosschain transfer features. Use for "burn and mint", "CCTP transfer", "attestation", "crosschain USDC", "Bridge Kit", "fast transfer", "TokenMessenger", "MessageTransmitter", or "Iris API" tasks.
2026-01-05