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The Optimism Foundation returned the L2 network to a permissioned state after auditors identified vulnerabilities in the decentralized error proof mechanism.
Introduced in early July, the permissionless Fault Proof solution allows users to challenge potentially fraudulent and incorrect transactions. In permissioned blockchain ecosystems, these actions can only be performed by trusted applicants.
The launch of the Fault Proof functionality marked the implementation of the first stage of OP Mainnet and OP Stack decentralization.
But two months later, the Optimism Foundation activated the backup allowed mode and put forward suggestions for improving the mechanism due to errors in the code found by auditors from Spearbit, Cantina and Code4rena.
The organization put forward a management proposal to conduct an update to fix bugs, some of which turned out to be "serious level".
"None of the vulnerabilities were exploited, users assets were not exposed and are not at risk. However, as a precautionary measure, the allowed rollback mechanism was activated to avoid any potential instability until the bugs are fixed," wrote Mofi Taiwo, an engineer at the Optimism Foundation.
If the proposal is accepted by the community, an upgrade of the L2 network called Granite will take place on September 10. It includes several updates and a hard fork.
Recall that in April, the Optimism team fixed two critical vulnerabilities in Fault Proof at the testnet verification level.
Introduced in early July, the permissionless Fault Proof solution allows users to challenge potentially fraudulent and incorrect transactions. In permissioned blockchain ecosystems, these actions can only be performed by trusted applicants.
The launch of the Fault Proof functionality marked the implementation of the first stage of OP Mainnet and OP Stack decentralization.
But two months later, the Optimism Foundation activated the backup allowed mode and put forward suggestions for improving the mechanism due to errors in the code found by auditors from Spearbit, Cantina and Code4rena.
The organization put forward a management proposal to conduct an update to fix bugs, some of which turned out to be "serious level".
"None of the vulnerabilities were exploited, users assets were not exposed and are not at risk. However, as a precautionary measure, the allowed rollback mechanism was activated to avoid any potential instability until the bugs are fixed," wrote Mofi Taiwo, an engineer at the Optimism Foundation.
If the proposal is accepted by the community, an upgrade of the L2 network called Granite will take place on September 10. It includes several updates and a hard fork.
Recall that in April, the Optimism team fixed two critical vulnerabilities in Fault Proof at the testnet verification level.
