Plaid works effectively to allow you to connect your bank account to your Cash App account without letting you face any kind of hassle. As of now, Cash App has an association with Lincoln Savings Bank and Sutton Bank to meet diversified banking requirements of Cash App account holders. Apart from that, if you have any kind of doubts about the same, you should try to contact the Cash App support executives who will provide you with the right guidance about What Bank Is Cash App on Plaid in a proper manner.