What I was wondering after reading the article: How does Mulvad actually decouple banking data from the account ID? Or is it as simple as verify transaction once but never log?
I once spent an entire year issuing chargebacks on AWS charges coming from god knows what AWS account. Most likely some client project I forgot about and didn't have the login to anymore, who knows. Makes me think about that - for a service where you can't login if you lose the credentials, how do you cancel a subscription? In my case I had to eventually just cancel the credit card and get a new number.