-To receive bitcoins from another person, simply click on the request option down on the right of the screen. Your wallet address and ur QR code will appear. Simply copy the wallet address and send to the person who wants to send you bitcoin or scan the QR code and the to the person who wants to send u bitcoin. Sit back and check ur wallet after the person must have sent it to make sure you have received it.
-To send bitcoin to someone, simply click on the send option which is an arrow pointing upwards on the down left side of the screen. You will be shown spaces to put the receivers wallet address, the amount of bitcoin in dollars or the number of bitcoin u want to send. So chose which u want to do.
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How to send and receive bitcoin in your block chain wallet