Platform security does not mean that the people who sell the number with you are safe, and they are all risky. Mobile games help people practice their skills and so on. At present, there are many national games, but it is difficult for small game studios to receive business without good reputation as the basis. Play game currency and sell it to a player to earn RMB. It can be regarded as a money-making institution. There are few studios in China that really rely on money. If you really want to play, it is more cost-effective to go to a foreign server to earn money from foreigners. At present, there are so many people selling game coins in national clothes. To maintain their expenses and make money, they can only rely on some unconventional means, such as hackers.