Circle Outage History

The Base Sepolia Testnet experienced a network outage that affected all operations on the testnet. The incident lasted 1.2 hours, during which block production was completely halted. Block production was restored and the service returned to normal operation after monitoring confirmed ongoing stability.

Circle's HyperEVM testnet network experienced a complete stall that prevented normal operations for 10.8 hours. The incident affected all testnet functionality during this period. The issue was resolved and the network was restored to normal operation with continued monitoring for stability.

The Circle usdc.com website experienced 5xx errors for 9.7 hours due to a third-party provider issue, making the site inaccessible to users. Circle implemented a temporary workaround by redirecting usdc.com traffic to circle.com/usdc while working with the provider to resolve the root cause. USDC minting, redeeming, and API functionality remained unaffected throughout the incident.

The Solana Devnet network experienced a major outage where block production stalled at block 455,406,479, affecting the entire network. Circle's service was impacted by this network-wide issue during the 13-minute incident. The issue was identified and investigated, though the summary doesn't specify the exact resolution method.

Circle experienced connectivity issues with the Sei Mainnet network that caused temporary downtime and intermittent connectivity problems for users. The incident lasted 1.6 hours, during which the team investigated the issue and implemented a fix. The service was fully restored after monitoring confirmed the resolution was successful.

Circle experienced degraded performance for both inbound and outbound transactions on Linea mainnet due to an upstream incident on Linea causing finalization delays. The issue affected transaction processing speeds on the Linea network for 11.7 hours. The incident was resolved once the underlying Linea network issue was fixed.

Circle experienced delays with on-chain send functionality for 49 minutes. The issue affected users' ability to send transactions on the blockchain in a timely manner. The service was fully restored after investigation and resolution efforts.

Circle experienced major issues with the Morph mainnet network that disrupted service operations. The network problems affected the mainnet functionality for users during the incident period. The technical issues were resolved after 32 minutes of investigation and remediation efforts.

Sui Testnet experienced a network-wide stall at block height 321,596,099 that affected all testnet operations. The incident lasted 10.5 hours before being resolved. All Sui Testnet functionality was impacted during the outage period.

Circle experienced degraded performance for both inbound and outbound transactions on Linea mainnet due to an incident on the Linea network that caused finalization delays. The issue affected transaction processing speeds on Linea mainnet for 30 hours. The incident was resolved once the underlying Linea network issue was fixed.