In the PVE model, the player just needs to send 1 to 5 YOLO(s) to fight against 1 to 5 monster(s) and take turns to fight following the speed and die when the HP drops to 0. When all monsters have been killed, the player wins; while when all soldiers have been killed, the player loses. In the PVP model, 5 players at the same level as the player are randomly selected, from whom the player chooses one to fight against. In the fighting every day, the player can earn corresponding YHC tokens, which are similar to stable tokens without an upper limit and the supply and demand are balanced by the market itself. ...