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In this article, we share the technical details of the "Hamster Wheel" attack discovered by the CertiK Skyfall team, explaining how this new type of attack exploits key vulnerabilities to cause a complete shutdown of the Sui network.

Previously, the CertiK team discovered a series of denial-of-service vulnerabilities in the Sui blockchain. Among these vulnerabilities, a new and high-impact vulnerability stands out. This vulnerability can cause Sui network nodes to be unable to process new transactions, and the effect is equivalent to a complete shutdown of the entire network. Just last Monday, CertiK received a $500,000 bug bounty from SUI for discovering this major security vulnerability. CoinDesk, an authoritative media in the U.S. industry, reported on the event, and then major media also released related news following its report. This security vulnerability is vividly called "Hamster Wheel": its unique attack method is different from the currently known attacks. The attacker only needs to submit a payload of about 100 bytes to trigger an infinite loop in the Sui verification node. , making it unresponsive to new transactions. Additionally, the damage from the attack persisted after the network restarted...

Frequent security incidents in Blockchain, Wintermute suffered a hacker attack with a loss of $160 million, highlighting the risks faced by individual encryption assets. Users are advised to use native Wallets, adopt multisignature, ensure Private Key security, and authorize cautiously to enhance asset protection.

Social media giants announced a new policy that impersonation accounts not labeled "imitation" will be permanently banned, emphasizing the importance of authenticity and user verification. At the same time, they introduced a premium membership service aimed at combating spam accounts and enhancing the experience for content creators. This change could significantly impact the platform's ecosystem.

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