[ExVul discovered and assisted in fixing two serious vulnerabilities in the SEI blockchain] On September 29, ExVul blockchain security company discovered and assisted in fixing two major vulnerabilities in the SEI blockchain that were rated as "serious". One of the vulnerabilities may cause a network hard fork through a hard fork mechanism. The SEI team has fixed these vulnerabilities in the latest version, and expressed gratitude for ExVul's contribution in the official release notes, and received a bug bounty reward of US$150,000. It is reported that ExVul is a technology-driven company focusing on blockchain security. It has discovered high-quality vulnerabilities in famous projects such as aptos, sui, stacks, onekey, and assisted related teams in fixing vulnerabilities.