You can hide donation amounts from the participant receiving the donation when adding the funds to the system.

1. Go to Events > My Events.
2. Click on the event.
3. On the left menu, click Team Members > View Team Members.
4. From the Team Members list, select the participant you want to apply the donation to.
5. Click the Funding tab.
6. Click Add Funds.
7. When entering the donation details, click the Hide donation amount from team member check box.
   
8. Click Add Funds.