Polygon’s zkEVM network suffered an outage for 10 hours on March 23, which the team attributed to an issue with the blockchain’s sequencer due to a layer 1 chain reorg.
Kuthunyelwe ngoMashi 25, 2024 ngo-2:21 am EST.
Ethereum Layer 2 network Polygon’s zero-knowledge Ethereum Virtual Machine (zkEVM) chain was down for more than 10 hours over the weekend, according to idatha from Polygon’s block explorer.
The explorer shows a difference of around 10 hours between when ezimbili alandelanayo blocks were sequenced and added on to the chain.
The Polygon team confirmed the outage in an X iposi on March 23, noting that the issue was confined to the rollup chain, which has been in its beta version since its Uqalise last year, with all other chains running on Polygon’s chain development kit functioning as per normal.
I-Polygon zkEVM Mainnnet Beta ibhekane nenkinga nesilandeli sayo ngenxa ye-L1 reorg. Sisebenzela ukuxazulula inkinga ngokugcwele futhi sizolandela ngemininingwane yokuhlolwa kwesidumbu.
Lokhu kuthinta kuphela i-Polygon zkEVM (okuwukuphela kwe-rollup) futhi ayithinti i-Polygon PoS, i-Polygon CDK,…
- Polygon | Kuhlanganisiwe (@0xPolygon) Mashi 23, 2024
With a more detailed post-mortem still to come, the team revealed that the root cause of the problem was with the block sequencer during a layer 1 chain reorg. The block sequencer is responsible for packaging ordered transactions into a block. A chain reorg takes place when validators disagree on the most accurate version of the blockchain, resulting in the removal of a weaker duplicate chain.
In an update on March 25, the team said that the chain’s emergency council had activated the “emergency state” to allow the core team to fix the issue and allow the zkEVM mainnet beta chain to resume operations.
“Upon completing this upgrade, the emergency state was deactivated, meaning any further updates to the system are subject to a 10-day timelock before taking effect,” wathi iqembu ku-X.
Polygon’s zkEVM umkhankaso on mainnet beta in March last year, yet data both kusuka ku-The Block futhi I-L2Beat shows that it has failed to gain the same amount of traction as some of its rival layer 2 ZK rollup chains in terms of transaction activity and total value locked (TVL). However, Polygon’s Proof-of-Stake (PoS) chain, the layer 1 blockchain, saw its transactions increase 93% in the latest quarter, with TVL rising to $1.1 billion, according to idatha kusuka kuMessari.
“Polygon has great tech. We shouldn’t let a sequencer failure sour any reputation. It happens, bugs happen, it’s early tech,” said Nick Dodson, Fuel Network’s CEO, ku-X.
March 25, 2024 at 05:09 am ET: The second paragraph was added to provide more clarity on the outage.
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- Source: https://unchainedcrypto.com/polygon-zkevm-chain-goes-down-for-10-hours/