Buy Verified Cash App Accounts with No Hassle and High Limits What is Cash App? Cash App is a mobile payment service developed by Block, Inc. that allows users to send, receive, and store money quickly and securely. Launched in 2013, Cash App has become one of the most popular peer-to-peer (P2P) payment platforms in the U.S. and the U.K. Users can link their bank accounts, debit cards, or...