> However, there’s also another facet: customers have to sign up for an account, which means that the firm will have their email address, potentially turning the business into a large bitcoin-focused list-building operation.
Do I need to create an account to do a one in a life time purchase? The data for the account are only c.c. number and email? Or they include full name, birthday, address, password and recovery question, parents name, pets name, ...?