Once you’ve activated your Curve Mastercard®, you will be shown your PIN on the app screen.
If you forget your PIN you can retrieve it in-app:
Click the menu at the bottom left and then select "Show PIN"
Click the card icon at the bottom left and select "Show PIN"
Related: How do I change my PIN?
“Mastercard is a registered trademark, and the circles design is a trademark of Mastercard International Incorporated. The Card is issued by Wirecard Card Solutions Ltd (“WDCS”) pursuant to license by Mastercard International Inc. WDCS is authorised by the Financial Conduct Authority to conduct electronic money service activities under the Electronic Money Regulations 2011 (Ref: 900051)”