According to Foresight News, Polyhedra AI's blockchain, EXPchain, successfully completed its EXPHORIA upgrade on March 12 at 10:00 (UTC+8). This upgrade aims to enhance network performance and stability. Key improvements include reducing block time to 3 seconds for faster transaction speeds, synchronizing with Ethereum's latest upgrade in preparation for the upcoming Prague Fork, optimizing the Expander proof mechanism to lay the groundwork for zkML proof precompilation, and removing outdated forks to improve network stability and execution efficiency.