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Optimism Enhances Network Security with Granite Upgrade

Optimism has made significant strides in bolstering its network security by disabling unauthorized fraud proofs. This action, part of the Granite network upgrade, follows recommendations from protocol engineers and aims to address vulnerabilities identified by third-party auditors. The move seeks to improve both the security and performance of the OP Mainnet’s fault-tolerant system.

What Prompted Optimism’s Security Measures?

The decision to disable unauthorized fraud proofs was driven by errors discovered in the recently launched system during audits. These audits uncovered two critical issues, prompting the network to implement stronger security measures. Despite these findings, Optimism has reassured users that their assets are secure. Mofi Taiwo, a protocol engineer from OP Labs, has highlighted the network’s readiness to blacklist any vulnerable dispute game if an attack is detected.

How Will the Changes Affect Users?

In May, Optimism proposed an upgrade to enhance its core security mechanisms and gradually build user trust in the system’s reliability. The decision to enable authorized rollback and restrict output proposals is part of this commitment, providing better control over potential vulnerabilities. While formal audits were not required for the identified vulnerabilities, they were flagged due to their importance in the network’s fraud-resistant system contracts.

Concrete User Implications

• Node operators must update their software by September 11 if the hard fork proposal is approved.
• Unauthorized fraud proofs are now disabled, which invalidates all pending withdrawals.
• Withdrawals initiated less than a week before the upgrade will finalize a week later.
• The network’s Total Value Locked (TVL) increased by $5.88 million following the announcement.

These updates reflect ongoing efforts to address fundamental security concerns in the DeFi space and enhance protection for user assets. OP Labs does not anticipate any disruptions due to the Granite Network Upgrade. However, if the hard fork proposal is accepted, node operators must adhere to the September 11 software update deadline. This development underscores the network’s continued focus on security and reliability, aligning with broader trends in the DeFi market.