If Cash App is refund your money, there could be a few reasons for this. Here are some possible explanations:

1. Disputed transaction: If you disputed a transaction on your Cash App account and it was found to be unauthorized or fraudulent, Cash App refund the money to your account.
2. Cancelled transaction: If you cancelled a transaction before it was processed, Cash App may refund the money to your account.
3. Technical issue: Sometimes, technical issues or glitches can occur that result in erroneous transactions or other issues with your Cash App account. In these cases, Cash App may issue a refund to resolve the issue.
4. Error on the part of Cash App: If there was an error on the part of Cash App, such as a processing error or other issue, they may issue a refund to correct the mistake.

If you're not sure why Cash App is refunding your money, you should contact their customer support to inquire about the issue and to see if they have any information on why the refund was issued. It's important to act quickly and to keep track of your transactions to avoid any unauthorized or fraudulent activity on your account.