I tried using bitcoin today for the first time and I may have screwed up. I set up with Coinbase and bought $100 worth of bitcoin. I logged into Blockchain to submit a request for the exchange. I selected "request" from the menu on Blockchain and a window popped and it listed a "copy and share address". I copied that address and put it into the address bar on coinbase and went through with the transaction. However I clicked back on to blockchain and saw that I still had to put an amount in and when I put the amount in I selected "Next". It then gave me an address that had more info at the beginning preceding the numbers. I'm thinking that was the address I was supposed to give coinbase. Have I screwed up? Just don't understand why blockchain would give you that address on the initial screen if it was of no use.