Starknet incident
Starknet testnet (Sepolia) – slow block creation alert
Starknet experienced a critical incident on November 19, 2025 affecting Starknet Testnet (Sepolia), lasting 57s. The incident has been resolved; the full update timeline is below.
Affected components
Starknet Testnet (Sepolia)
Update timeline
- investigating Nov 19, 2025, 01:45 PM UTC
Starknet is taking longer than expected to produce a block.
- resolved Nov 19, 2025, 01:46 PM UTC
This incident has been resolved.