RE: Paying with BTC makes a lot of sense!
Thanks for your response.
As for 1. I found this reddit comment which I can obviously neither confirm or reject: "This happened a long time ago, and some people got raided by police in I think Germany or something for using purse. Scammers were using stolen credit cards to purchase the items and the police traced the products to the purse user's residence. Since then I have not heard of many similar reports, so hopefully they have improved things."
As for 2, I found:
"While browsing or searching on Purse, you will find items from Amazon.com. [...] We also offer limited support for Amazon.co.uk , Amazon.ca, Amazon.co.jp. "
I have so far been using amazon.de the most, but I guess I will consider my options when making my next order and check .co.k
I would think this must have been quite the edge case. I have had orders cancelled from what were obvious scams and a few occasions where purse had to step in.
Nothing bad ever happened except the loss of time of course.