The Chinese name of X Cube is Super Rubik's Cube, aiming to establish a function that provides players with the ability to safely save and transfer their assets. Asset trading is also mandatory at the same time, so a trusted trading platform will also be launched without intermediaries. In addition, this platform stores the assets of game players stored in the internal DB of the game service in the external DB of the game service, that is, on the blockchain for asset transfer between games....