I do not find his above reply, seems that he has just deleted it because of your reply.
His reply above is indeed not answering my main question
His reply was removed because of multi-posting (multiple posts in a raw) which is against forum rules.
Op, since accounts are anonymous (as you claim) and there is no way to link them to email addreses then an option to secure them such as 2fa is a must.
I also noticed that there is a btc/usd converter! What's the need for it if the balance is going to be in btc.