Hey @olikucharski having a friend send you coins is a breach of the FIFA 20 Terms that you agreed to when first launching the game.  

To appeal your sanction you will need to speak to our Terms of Service team.

The process to contact our ToS team can be found here: https://help.ea.com/en-us/help/account/information-about-banned-or-suspended-accounts/

1. Click Contact us at the top of any page on EA Help.
2. Select the game that your account was banned or suspended from. If it’s on your whole EA Account, choose Origin.
3. Choose your platform.
4. Select Manage my account, then Banned or suspended account.
5. Fill out any other details below.
   • For example, if you picked Origin, it might ask you if you are accessing the game through an Origin Access membership.
6. Click Select contact option.
7. Sign in to your account that has the ban or suspension, if you aren’t already.

Darko