If you notice a fraudulent use of your account or if you want to contest a transaction, you can report it.
All you have to do is follow these steps:
- Go to your 'History'
- Select the suspicious transaction
- In the tab on the right-hand side, click on 'Transaction details'
- Click on 'Report'
- Explain why you contest this transaction
- Enter your password and click on 'Report transaction'.