Starknet incident
Starknet testnet (Sepolia) – slow block creation alert
Starknet experienced a critical incident on March 20, 2026 affecting Starknet Testnet (Sepolia), lasting 2h 37m. The incident has been resolved; the full update timeline is below.
Affected components
Starknet Testnet (Sepolia)
Update timeline
- investigating Mar 20, 2026, 07:35 PM UTC
Starknet is taking longer than expected to produce a block.
- identified Mar 20, 2026, 09:44 PM UTC
The issue has been identified and a fix is being implemented.
- resolved Mar 20, 2026, 10:12 PM UTC
This incident has been resolved.