Blocking prevents specific users from searching for your username, making it impossible for them to send or request money from you.

When a user sends you an unwanted request, follow these steps to block them:

1. Tap the unwanted request
2. Tap Block in the top right corner
3. Confirm the block

You can unblock a blocked user at any time by following these steps:

1. Tap Account
2. Select "Profile"
3. Select Blocked users
4. Swipe left on the blocked username
5. Tap the red button
6. Confirm the unblock