Circle Outage History

Circle experienced CCTP (Cross-Chain Transfer Protocol) attestation delays across all blockchains due to AWS service degradation. The incident lasted 12 hours and affected cross-chain transaction processing. The issue was resolved after Circle addressed the underlying AWS-related problems.

The Matic Amoy network experienced a complete outage that affected all operations on Circle's service for 3.8 hours. All Matic Amoy-related functionality was unavailable during this period. The incident was resolved once the underlying Matic Amoy network was restored.

Circle's SEI mainnet experienced network issues that caused transaction delays and degraded performance for users. The incident lasted approximately 110 hours (4.6 days) before being resolved. The team investigated the root cause and restored normal operations.

Circle experienced technical difficulties affecting USDC mints and burns on the Polygon network, causing temporary delays in these operations. The issue was classified as minor and persisted for approximately 11.1 hours before being fully resolved.

Circle Mint experienced delays in processing transactions on the Optimism (OP) network for approximately 20.7 hours. The issue affected all OP transaction processing through the Circle Mint service. The problem was resolved after investigation and monitoring, with service fully restored.

Circle's ETH Fast Burn service experienced degraded performance for 49 minutes. The engineering team investigated and resolved the issue without specifying the root cause or technical details of the resolution.

Circle's CCTP Starknet service experienced delayed attestations for 8.6 hours, causing slower transaction confirmations and partial service unavailability for customers. The team investigated the root cause of the performance degradation and successfully resolved the incident, restoring normal operations.

Circle's Base Sepolia sandbox environment experienced degraded performance for 22.9 hours, causing delays in USDC and EURC mints, burns, and CCTP transfers due to network maintenance. The incident affected the sandbox testing environment on the Base Sepolia network. The issue was resolved after the network maintenance was completed.

Circle's xReserve service on Canton Mainnet experienced delays and degraded performance for 12.3 hours, causing slower transaction confirmations and partial unavailability for some customers. The team investigated the root cause and worked to restore normal operations. The incident has been resolved.

USDC mints, burns, and Cross-Chain Transfer Protocol (CCTP) transfers on the Linea network experienced significant delays for over 81 hours due to finalization issues on the Linea blockchain itself. The delays affected all USDC-related operations on the Linea network, preventing users from completing standard cryptocurrency transactions. The incident was resolved after the underlying Linea network issues were fixed.