Illegal operation (also a common operation)
Black card: Simply put, it is to steal a credit card to pay. If the owner finds out, he will definitely report the loss and the transaction will be invalid. You can't get money for surgery. It is equivalent to deceiving the operator to give something to the player, and then let the player collect money. When the operation returns to god, it may be the follow-up processing. The cost of this method is very low, and the profit is almost equal to the money paid by the player. (It's a bit exaggerated. After all, stealing brushes also requires technical costs.)
Another kind of black card (more common): using a credit card with no balance or expired. Because the ios platform pays first, then the operation is directly handed over to the service, and the data is checked at the time of settlement (this way is more efficient), so Apple still found the problem when checking, and the operation can't get the money. Then the operation takes follow-up measures. At this time, Dai Chong didn't know where to go. (ditto) This method is also low in cost (money for buying discarded cards) and high in profit.
Basically, you can do it for me, and there are very few formal ones. Even if it is not blocked once, it may only be because some problems have not been blocked. There is always the risk of being banned. So, if you really want to play, I suggest going through official channels. Otherwise it would be foolish to lose money and be cheated. In addition, I also want to vomit some players who go to cheap places to recharge, as well as those scammers who are blocked from spraying the official. These people are estimated to have only one track mind, so it is recommended not to learn from them.