Circle incident

Delayed Attestations on CCTP Starknet

Major Resolved View vendor source →

Circle experienced a major incident on April 21, 2026 affecting 3rd Party Infrastructure & Systems and STRK - Cross-Chain Minting and Burning, lasting 8h 31m. The incident has been resolved; the full update timeline is below.

Started
Apr 21, 2026, 01:56 PM UTC
Resolved
Apr 21, 2026, 10:27 PM UTC
Duration
8h 31m
Detected by Pingoru
Apr 21, 2026, 01:56 PM UTC

Affected components

3rd Party Infrastructure & SystemsSTRK - Cross-Chain Minting and Burning

Update timeline

  1. investigating Apr 21, 2026, 01:56 PM UTC

    We have identified an issue causing delays or degraded performance on CCTP Starknet. 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.

  2. resolved Apr 21, 2026, 10:27 PM UTC

    This incident has been resolved.