Circle Outage History

Circle temporarily paused USDC attestations on Monad through their Cross-Chain Transfer Protocol (CCTP) for maintenance purposes. This affected users' ability to burn USDC tokens on the Monad network via CCTP during the outage. The service was restored after 36 minutes of downtime.

Circle's CCTP service experienced a major incident where USDC mints, burns, and transfers on the SUI network were significantly delayed due to network congestion and an active incident on SUI Mainnet. The delays affected all SUI operations for 13.6 hours until the underlying SUI network issues were resolved. Circle worked on updates to improve processing speed while monitoring the external SUI network incident.

Circle's SEI mainnet experienced degraded performance for 47 minutes, classified as a major incident. The service team investigated and resolved the performance issues. The incident was fully resolved without further details provided about the specific cause or affected functionality.

Circle's xReserve service on Stacks Testnet experienced degraded performance for 10.2 hours, causing temporary delays in withdrawal processing. The incident affected users attempting to withdraw funds through the testnet environment. The service was fully restored and the incident was resolved.

Circle temporarily paused USDC attestations for burns on Solana through their Cross-Chain Transfer Protocol (CCTP) for maintenance purposes. This major incident affected cross-chain USDC transfers involving the Solana network for 1.3 hours. The service was restored after the maintenance was completed.

Circle temporarily paused USDC burn attestations on the XDC network through their Cross-Chain Transfer Protocol (CCTP) for scheduled maintenance. The maintenance affected cross-chain USDC transfers involving the XDC blockchain for 55 minutes. The service was restored after the maintenance was completed.

Circle experienced unexpected network issues affecting the SEI mainnet that caused delays in CCTP (Cross-Chain Transfer Protocol) attestation processing. The incident was classified as major and impacted block processing on the SEI network. The issue was resolved after 32 minutes of investigation and remediation.

Circle temporarily paused attestations for USDC burns on the Avalanche network through their Cross-Chain Transfer Protocol (CCTP) for scheduled maintenance. The maintenance affected cross-chain USDC transfers involving the AVAX network for 28 minutes before normal operations resumed.

Circle experienced a Solana processing block issue that caused technical difficulties and temporary delays for USDC deposits, withdrawals, mints, and burns on the Solana network. The incident affected the platform's minting and redeeming components for 1.3 hours. The issue was resolved after investigation and remediation efforts.

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.