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Starknet Mainnet Halted as Execution–Prover Mismatch Freezes Network

Developers are investigating a mismatch between block execution and the proving system.

Overview

  • Block production slowed early on January 5 after a 09:53 UTC alert and progressed to a full halt, with the incident still unresolved and no estimated recovery time.
  • Engineers reported debugging a mismatch between block execution and the proving pipeline, with certain transactions suspected of triggering the fault.
  • Transactions are not confirming and decentralized applications on Starknet are currently nonfunctional.
  • On-chain indicators point to stalled execution rather than state loss, suggesting user funds remain secure on Ethereum.
  • STRK traded roughly flat near $0.089 as community commentary resurfaced concerns linked to the September 2025 Grinta disruption.