Circle incident

Sepolia Testnet Unsafe Head Stalled

Resolved after 1 hour 11 minutes, affecting Public Faucet – BASE Sepolia and Circle Gateway: Base - Sepolia and 1 more, on April 16, 2026.

monitoring Apr 16, 2026, 07:20 PM UTC

Block production has resumed on Base Sepolia testnet. We will continue to monitor performance to ensure ongoing stability.

Started: Apr 16, 2026, 06:56 PM UTC
Resolved: Apr 16, 2026, 08:07 PM UTC
Duration: 1h 11m
Detected by Pingoru: Apr 16, 2026, 06:56 PM UTC

Affected components

Public Faucet – BASE SepoliaCircle Gateway: Base - SepoliaMW - BASE - SEPOLIA - Balance APIsPW - Dev-Controlled Wallets - BASE - SEPOLIA - Balance APIsPW - Dev-Controlled Wallets - BASE - SEPOLIA - Transaction Creation/Estimation APIs

Update timeline

investigating Apr 16, 2026, 06:56 PM UTC

The [blockchain] Mainnet is currently experiencing a network outage affecting all [blockchain] operations. Operations will be possible once the [blockchain] network has been restored.
investigating Apr 16, 2026, 06:57 PM UTC

The Base Sepolia Testnet is currently experiencing a network outage affecting all operations. Operations will be possible once the Base Sepolia Testnet network has been restored.
monitoring Apr 16, 2026, 07:20 PM UTC

Block production has resumed on Base Sepolia testnet. We will continue to monitor performance to ensure ongoing stability.
resolved Apr 16, 2026, 08:07 PM UTC

Block production has resumed on Base Sepolia testnet.

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