As a seller, you have to link your bank account to the Wall of coins and your phone number will be your name. You can contact the appropriate seller of your choice by dropping a message and carry out the further transaction by meeting in person and also can hand over the cash to the seller to release Bitcoins. However, there is no limit on placing the number of orders. You should now see a screen with some options. Site Navigation. The exchanges mentioned above LocalBitcoins, Wall of Coins, and Bitquick all work in almost the same way.