We have identified an issue causing delays or degraded performance on Circle's Cross-Chain Transfer Protocol (CCTP) attestation service for transfers originating from Ethereum Virtual Machine (EVM)-compatible source blockchains. Some customers may experience slower transaction confirmations or partial unavailability. Our team is investigating the root cause and working to restore normal operation as soon as possible.
Posted Oct 21, 2026 - 19:46 UTC
This incident affected: Circle Cross-Chain Transfer Protocol (Attestation Service).