Why Cash App says transfer declined by the bank?
If your Cash App says transfer declined by bank, you should contact the bank and see if you can remove the hold. Occasionally, bank holds are caused by insufficient funds, a frozen account, or an invalid card number or expiration date. You can also encounter problems with internet connectivity, or you might have entered the wrong card number or expiration date. In these cases, contact your bank and request that they release the hold.
Another reason your Cash App payment failed because you entered incorrect information when you signed up for Cash App.
Make sure you double-check all the information and try again.
Then, your bank may have blocked the transaction because it thinks you are performing invalid or suspicious activities.
You must contact the bank to remove the blocked funds if this is the case.