Offchain Labs 發現 Optimism 詐欺預防系統的嚴重缺陷

Offchain Labs 發現了部署在測試網路上的 Optimism OP Stack 防詐騙系統中的安全漏洞，該漏洞允許惡意行為者改變鏈的歷史記錄。這些發現促使 Optimism 更新其測試網，以解決缺陷並加強安全性，突顯了以太坊區塊鏈領域防禦機制的協作性質。

Offchain Labs Discovers Critical Vulnerabilities in Optimism's Fraud-Proof System

Offchain Labs 發現 Optimism 防詐欺系統中的嚴重漏洞

March 22, 2023

2023 年 3 月 22 日

In a significant development, Offchain Labs, a leading blockchain research firm, has disclosed the discovery of critical security vulnerabilities within the fraud-proof system deployed on Optimism's OP Stack testnet. The vulnerabilities, acknowledged by OP Labs on March 25, raised concerns about the potential for malicious actors to manipulate the chain's history.

領先的區塊鏈研究公司 Offchain Labs 揭露了在 Optimism OP Stack 測試網路上部署的防詐騙系統中發現的關鍵安全漏洞，這是一項重大進展。 OP Labs 於 3 月 25 日承認了這些漏洞，引發了人們對惡意行為者可能操縱該鏈歷史的擔憂。

Vulnerabilities Expose Chain Integrity Weakness

漏洞暴露了鏈完整性的弱點

Offchain Labs' analysis revealed that the initial protocol setup was vulnerable to "traitor attacks," where dishonest participants could unfairly influence dispute outcomes. Furthermore, the vulnerabilities exposed a fundamental weakness in the system's ability to distinguish between genuine and fraudulent chain history, underscoring the vital importance of robust security measures in maintaining the integrity of such systems.

Offchain Labs 的分析顯示，最初的協議設置很容易受到“叛徒攻擊”，不誠實的參與者可能會不公平地影響爭議結果。此外，這些漏洞暴露了系統區分真實和欺詐鏈歷史的能力的根本弱點，強調了強大的安全措施在維護此類系統完整性方面的至關重要性。

Optimism Swiftly Implements Countermeasures

樂觀情緒迅速實施對策

Recognizing the severity of the vulnerabilities, Optimism promptly updated its testnet on April 25 to address the security shortcomings and enhance protection. By fast-tracking the implementation of a time-manager code with fraud-proof capabilities, Optimism effectively eliminated the detected weaknesses.

在認識到漏洞的嚴重性後，Optimism 於 4 月 25 日及時更新了測試網，以解決安全缺陷並加強保護。透過快速追蹤具有防詐騙功能的時間管理器程式碼的實施，Optimism 有效地消除了偵測到的弱點。

Collaboration Strengthens Ecosystem Security

協作加強生態系統安全

The collaborative efforts between Offchain Labs and Optimism exemplify the value of teamwork in safeguarding the Ethereum blockchain ecosystem. Offchain Labs' proactive approach, evidenced by the release of a proof-of-concept exploit code, supports the collective security initiatives across various platforms and highlights the complexities of fraud-proof protocol design.

Offchain Labs 和 Optimism 之間的合作體現了團隊合作在保護以太坊區塊鏈生態系統方面的價值。 Offchain Labs 的主動方法（透過發布概念驗證漏洞程式碼證明）支援跨不同平台的集體安全措施，並強調了防詐騙協定設計的複雜性。

Offchain Labs' Contribution to Layer 2 Security

Offchain Labs 對 Layer 2 安全性的貢獻

Offchain Labs' contribution extends beyond addressing the vulnerabilities in Optimism. Their findings provide valuable insights into potential security challenges facing other Layer 2 solutions, emphasizing the interconnected nature of blockchain security. The incident emphasizes the critical role of peer review and collaborative security checks within the blockchain industry.

Offchain Labs 的貢獻不僅限於解決樂觀主義的漏洞。他們的研究結果為其他第 2 層解決方案面臨的潛在安全挑戰提供了寶貴的見解，強調了區塊鏈安全的互連性質。該事件強調了區塊鏈產業內同行評審和協作安全檢查的關鍵作用。

External Audits Enhance Testnet Security

外部審計增強測試網安全性

Offchain Labs and Optimism strongly advocate for the significance of external audits in identifying and resolving security vulnerabilities before a system's deployment. By conducting thorough audits on testnet prototypes, early detection and remediation of security issues can be achieved, preventing potential catastrophes during live operation.

Offchain Labs 和 Optimism 強烈主張外部審計在系統部署之前識別和解決安全漏洞的重要性。透過對測試網原型進行徹底審核，可以實現安全問題的早期檢測和修復，防止即時運行期間潛在的災難。

Conclusion

結論

The discovery of these vulnerabilities serves as a stark reminder of the ever-evolving nature of blockchain security. The collaborative efforts between Offchain Labs and Optimism underscore the importance of community collaboration in strengthening the security of Layer 2 solutions and the broader Ethereum ecosystem. As blockchain adoption continues to advance, maintaining robust security measures will remain paramount, ensuring the integrity and trust in these groundbreaking technologies.

這些漏洞的發現清楚地提醒我們區塊鏈安全性不斷發展的本質。 Offchain Labs 和 Optimism 之間的合作強調了社群協作在加強 Layer 2 解決方案和更廣泛的以太坊生態系統安全性方面的重要性。隨著區塊鏈採用的不斷推進，維持強大的安全措施仍然至關重要，以確保這些突破性技術的完整性和信任。