Yes, but if the email is digitally signed I can be certain who sent it (at least the address) and, unlike postal mail, I can electronically sort it. Email from

Yes, but if the email is digitally signed I can be certain who sent it (at least the address) and, unlike postal mail, I can electronically sort it. Email from folks I know would receive the highest priority. Are folks afraid of bitcoin? What can be worse than just having a 16 digit number printed on a card -- that is a 1000x more vulnerable.