Everscale Outage Report ๐Ÿ”

Everscale Outage Report ๐Ÿ”

Last week, the Everscale network was subjected to a series of external attacks, which led to its downtime for about 3 days, after which the network has successfully processed all user transactions that were initiated during the downtime. No user funds have been impacted.

What happened

On April 25th at 9am CET, in the main Everscale network, due to the extremely high growth of the internal message queue, the network lost the ability to correctly match blocks and eventually became overloaded. Technically speaking, the blockchain was not halted. Only the main workchain experienced downtime, while the masterchain operated normally.

Causes of the incident

A vulnerability in the main network, which allows devs to write code that leads to the execution of a large amount of code, while paying a very small fixed price for it, was exploited.

The solution

To remedy the situation, the core developers and validators team made some optimizations to the validator node and froze the execution of the exploiting smart contract — there is only a temporary solution. In the long term, Everscale is working on a global resolution for the exploited vulnerability.

๐Ÿ”— For more information about the incident, root causes and measures, read the Everscale Outage Report with a useful glossary and graphs.

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