What should I do if I do not recognize a transaction? Isabelle van Capelleveen August 22, 2019 13:49 Updated Follow If you suspect that there might be a fraudulent transaction, please contact our customer support at email@example.com immediately! Related articles My Stocard payment card is blocked. What can I do? What happens to my payment card if my device is stolen or lost? How do you process and protect my personal data? Comments 0 comments Please sign in to leave a comment.