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- Polygon’s hard fork successfully resolved the milestone finality bug.
- Validators and RPC services resumed normal operations after node resync.
- Network reliability remains a focus amid ongoing Layer-2 scaling challenges.
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Polygon has successfully restored full network functionality following a temporary disruption caused by a software bug affecting transaction finality. The incident halted some nodes and Remote Procedure Call (RPC) services, raising concerns over the reliability of the Ethereum Layer-2 solution.
Emergency Hard Fork Resolves Finality Issues
The disruption began early Wednesday, when a bug affecting Bor, Polygon’s block producer, and Erigon, its data access layer, caused several nodes to halt. While block production continued, some validators were forced to rewind to the last finalized block and resynchronize. Polygonscan, the network’s block explorer, showed no updates for over five hours due to halted nodes from a faulty milestone produced by Heimdall, Polygon’s consensus engine.
Polygon engineers deployed emergency updates, including Bor version 2.2.11-beta2 and Heimdall version 0.3.1, which required a hard fork. The upgrade successfully deleted the faulty milestone, restored milestones and checkpoints, and resumed deterministic transaction finality. CEO Sandeep Nailwal confirmed that nodes are now processing blocks normally, describing the event as a “growing pain” in the network’s ongoing scalability improvements.
🔻 Polygon PoS network faces 10-15 minute transaction delays from a node bug as protocols suspend operations and POL drops 3.42%.#Polygon #POShttps://t.co/4o0TzV7qVH
— Cryptonews.com (@cryptonews) September 10, 2025
User Impact and Network Concerns
During the outage, exchanges and DeFi platforms were temporarily unable to process deposits and withdrawals. Polygon users voiced frustrations on social media, emphasizing the risk of reversals and stalled transactions. TokenPocket, a multichain stablecoin wallet, paused Polygon transactions after observing a block freeze.
The bug follows Polygon’s Heimdall v2 upgrade, intended to reduce finality times to five seconds, and the July Bhilai hard fork, which raised throughput to 1,000 transactions per second. Despite these improvements, reliability concerns persist as Polygon’s total value locked has dropped from a $9.43 billion peak in 2021 to $1.2 billion today.
Also Read: Polygon (POL) Price Breakout: Can Bulls Push Past $0.30 Toward $0.36?
Scaling Challenges Across Ethereum Layer-2s
Polygon is not alone in facing Layer-2 instability. Ethereum competitor Linea experienced a 67-minute block production pause earlier today due to a mainnet sequencer stall. While Linea’s issue was quickly resolved, the simultaneous disruptions underscore the challenges Layer-2 networks face in scaling while maintaining high reliability.
Polygon engineers are actively monitoring the network to prevent future issues and investigate the faulty milestone’s origin. The network’s recovery, however, reinforces Polygon PoS’s resilience and its path toward GigaGas throughput.
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Disclaimer: The information in this article is for general purposes only and does not constitute financial advice. The author’s views are personal and may not reflect the views of Chain Affairs. Before making any investment decisions, you should always conduct your own research. Chain Affairs is not responsible for any financial losses.
I’m a crypto enthusiast with a background in finance. I’m fascinated by the potential of crypto to disrupt traditional financial systems. I’m always on the lookout for new and innovative projects in the space. I believe that crypto has the potential to create a more equitable and inclusive financial system.
