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Polygon Hard Fork Fixes Bug That Knocked Nodes Offline — Network Back Online

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Polygon has restored full community stability after a software program bug briefly disrupted milestone finality and compelled some nodes offline, based on an official incident report printed on the challenge’s standing web page.

The issue began early Wednesday when a bug affecting Bor, Polygon’s block producer, and Erigon, its information entry layer, induced disruptions throughout components of the ecosystem.

While the blockchain itself continued to provide blocks, some Remote Procedure Call (RPC) providers and validators halted, forcing suppliers to rewind to the final finalized block and resynchronize.

Polygon Executes Emergency Hard Fork to Resolve Finality Bug

Polygon engineers confirmed the bug was stopping node progress underneath sure configurations, although restarting affected nodes resolved the difficulty for a number of validators and RPC suppliers.

At the time, Polygonscan, the community’s block explorer, showed no block updates for greater than 5 hours. Polygon later defined that Polygonscan’s nodes had halted after a defective milestone produced by Heimdall, the challenge’s consensus engine.

An organization consultant mentioned that the crew was working with Polygonscan to change to functioning nodes that had not halted, stressing that block manufacturing remained stay.

“Checkpoint finality is working as anticipated inside quarter-hour,” the crew mentioned in an replace at 08:52 UTC, sharing an alternate hyperlink the place real-time block manufacturing could possibly be tracked.

Analysis revealed the issue stemmed from Heimdall’s finality gadget, which is chargeable for producing milestones each few seconds.

Although checkpoints to Ethereum had been nonetheless being posted each 20 minutes, milestones, which offer quicker, deterministic finality, weren’t being processed. This left native quick finality delayed whilst the primary chain continued including blocks.

To handle the issue, Polygon rolled out emergency updates: Bor model 2.2.11-beta2 and Heimdall model 0.3.1, the latter requiring a tough fork. The improve, executed at 3 p.m. UTC, deleted the defective milestone and purged it from node databases.

Polygon confirmed quickly after that the arduous fork was efficiently accomplished and that each milestones and checkpoints had been as soon as once more finalizing usually.

Source: Polygonscan

“The arduous fork has been efficiently accomplished, and milestones at the moment are processing usually together with state sync. Checkpoints are going via, and consensus finalization has been totally restored on Polygon PoS,” the crew wrote in an announcement on X.

Polygon Foundation co-founder and CEO Sandeep Nailwal later explained that the disruption originated from a defective milestone proposal that pushed some Bor nodes onto divergent forks. This triggered short-term instability not accounted for within the system.

He emphasised that whereas checkpoint finality on Ethereum had remained energetic all through, native milestone finality was delayed.

“Milestones are a light-weight different to checkpoints, enabling quicker, deterministic finality for transactions, even earlier than a checkpoint is submitted to Ethereum,” Nailwal mentioned. “The root trigger got here from a defective milestone proposal. We rolled out fixes on each Heimdall and Bor.

With these fixes now stay, nodes will not be caught, and consensus is finalizing usually.”

Nailwal described the occasion as a part of the rising pains of scaling Polygon’s proof-of-stake chain however mentioned every problem strengthens its resilience. “There might be rising pains with any formidable improve.

But every one makes Polygon PoS stronger on our street to GigaGas throughput,” he mentioned, including that extra upgrades are deliberate to spice up capability and reliability.

Polygon engineers proceed to observe the community to make sure stability and are investigating how the defective milestone was launched.

Despite the non permanent setback, the community has resumed regular operations, with blocks, milestones, and checkpoints processing in actual time

Polygon’s Reliability Questioned After Finality Bug, TVL Down 87% From Peak

Polygon builders have deployed a tough fork to repair a bug that briefly halted block manufacturing on its proof-of-stake chain, restoring the community after a number of hours of disruption.

The challenge, tied to transaction finality, left exchanges and DeFi protocols unable to course of deposits or withdrawals as they waited for affirmation ensures.

The outage drew criticism from Polymarket merchants, who argued {that a} blockchain internet hosting one of many sector’s largest prediction markets mustn’t face such issues. “It might need gone unnoticed as a result of nobody was utilizing it, however this has been happening for about two hours,” one dealer posted, pointing to the danger of reversals through the downtime.

TokenPocket, a multichain stablecoin pockets, additionally paused Polygon transactions after observing that no new blocks had been finalized for over an hour.

The incident comes simply weeks after Polygon’s Heimdall v2 upgrade, designed to chop finality instances to 5 seconds and enhance validator coordination.

That replace followed the July 1 Bhilai hard fork, which raised throughput to 1,000 transactions per second and integrated Ethereum’s Pectra EIPs. Despite these efforts, community reliability stays a priority, as Polygon’s whole worth locked has dropped from a $9.43 billion peak in 2021 to $1.2 billion right now, per DeFiLlama.

The chain’s native token, POL, has fallen 3.4% on the day and is down 30% year-to-date, buying and selling at $0.27.

Meanwhile, one other Ethereum Layer-2, Linea, confronted a separate outage earlier right now when its mainnet sequencer stalled, inflicting a 67-minute pause in block manufacturing.

While Linea has already deployed a fix, builders are questioning whether or not the 2 disruptions are linked. Linea has not disclosed the reason for its downtime.

Both occasions spotlight the fragility of scaling networks which have turn into important to Ethereum’s broader ecosystem.

The publish Polygon Hard Fork Fixes Bug That Knocked Nodes Offline — Network Back Online appeared first on Cryptonews.

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