Circle incident

USDC CCTP attestations paused on Solana

Major Resolved View vendor source →

Circle experienced a major incident on May 20, 2026, lasting 1h 12m. The incident has been resolved; the full update timeline is below.

Started
May 20, 2026, 11:48 PM UTC
Resolved
May 21, 2026, 01:01 AM UTC
Duration
1h 12m
Detected by Pingoru
May 20, 2026, 11:48 PM UTC

Update timeline

  1. investigating May 20, 2026, 11:48 PM UTC

    Circle has temporarily paused attestations for USDC burns on Solana via Circle's Cross-Chain Transfer Protocol (CCTP) as part of maintenance to CCTP on Solana

  2. resolved May 21, 2026, 01:01 AM UTC

    Circle has temporarily paused attestations for USDC burns on Solana via Circle's Cross-Chain Transfer Protocol (CCTP) as part of maintenance to CCTP on Solana