Cash app transaction history are recorded from time to time for your preference. You can easily access it whenever you want. Even you can use its debit card for offline transaction and it is also recorded in your transaction history when you are connected with Wi-Fi or cellular data. You can also delete it whenever you want. If you can’t delete transaction history, then make sure the internet connection is good. If you still unable to do it then contact Cash app customer service to fix it as soon as possible.