Chapter 2 Cash Bitcoin Exchanges. Enter the amount of bitcoins you want to buy and then press «NEXT». It depends how much you trust the exchanges. I entered my postcode to find my nearest ZipZap payment location and found there were 13 shops for me to choose from within a radius of around 0. Meet a seller near you in person, and buy bitcoin with cash in hand or any other payment option you agree on. If you have a leather wallet full of cash and want to turn it into a digital wallet full of bitcoin or any other cryptocurrency, you have a few different options. While we are independent, the offers that appear on this site are from companies from which finder.