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zkSync Era sees 4-hour outage due to server bug


Dec. 25, 2023
By Oluwapelumi Adejumo


Ethereum layer-2 network zkSync’s Era faced a temporary block production halt today but is now back in full operation following a bug-related disruption that lasted over four hours.


In a Dec. 25 post on X, the developers confirmed that a bug within its server triggered an automated safety protocol, causing network issues.

“The zkSync Era network is now fully operational. At 05:50 UTC, one of the network’s automated safety protocols was triggered by a bug in the server. This issue required teams to inspect and is now fully resolved,” the team said.

The  Matter Labs-backed layer-2 network developers promised to share a post-mortem report soon.


However, CryptoSlate’s examination of the zkSync’s Era website via Uptime, a website monitoring platform, indicated that an outage occurred on the layer-2’s Sequencer around 6:56 am CET on Dec. 25 and services were restored by 10:56 am CET.


The Sequencer plays an important role in layer-2 networks by verifying, organizing, and compacting transactions for transfer to layer-1 chains such as Ethereum.


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