Once you click on the “transfer money” button on the Cash app then in no seconds your funds are transferred to the Cash app account of a person and you can not reverse that payment at all. And if someone unknown has sent you money on your Cash app account then, first you need to consult the Cash app support and then, you should proceed to refund that money. Random Person Sent Me Money On Cash App - should I refund that money? If you have this question in your mind then, click on the link here to get more facts and information