How do I enable/disable my email or SMS notifications for news, promotions etc?

Login My tickets

How do I add a different currency to my account? Can I change my username? How can I verify my account? How does the account verification process work? I haven't verified my account yet, can I make transactions? Can I open more than one Opabet account? How can I log in to my account? How old do I have to be to open an Opabet Account? How can I register?