S. The predecessor of K. FOUNDATION LIMITED was an artificial intelligence research group jointly established by Singaporean academics in 2015, dedicated to developing new retail one-stop solutions and business intelligence services, and achieving multiple cutting-edge technological achievements. In 2018, the SK Foundation and Blockchain Research Center were officially upgraded and established. In the future, relying on mature applications and scenarios, they will cover a comprehensive range of "blockchain+" solutions, including new retail, new catering, and new services. The technical achievements of the SKChain project have covered various related fields, including "digital tokens, digital asset electronic wallets, personal and enterprise peer-to-peer payment systems, artificial intelligence algorithm driven, and underlying commercial application public chains"....