Resolved after 1 day 4 hours, affecting Starknet Mainnet and Starknet Testnet (Sepolia), on September 1, 2025.
A fix has been implemented and we are monitoring the results.
Affected components
Starknet MainnetStarknet Testnet (Sepolia)
Update timeline
- identified Sep 01, 2025, 12:11 PM UTC
Cairo0 code is currently unusable within Starknet mainnet and Sepolia. We identified the bug and working to fix it asap
- monitoring Sep 01, 2025, 05:28 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Sep 02, 2025, 05:05 PM UTC
This incident has been resolved.
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