Resolved after 1 hour 48 minutes, affecting Attestation Service, on October 21, 2026.
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.
Affected components
Update timeline
- investigating Oct 21, 2026, 07:46 PM UTC
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.
- resolved Oct 21, 2026, 09:35 PM UTC
This incident has been resolved.
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