Many of us love to use Cash App to make small payments in everyday life. But, only a handful people might know about the Cash App cashtag. If you also don't know about Cash App cash tag id, let me explain. You can think of the Cash App cash tag as a unique id of every Cash App user with the help of which one can send and receive money to and from contacts. All Cash App cashtags start with $ icon. It must have at least one to twenty characters. One Cash App user can have only one cashtag id. However, Cash App allows users to change a cashtag for two times. And once you change your Cash App $cashtag id, your first one gets inactivated automatically.