250 Free Spins Add Card: Open up the paytable with a tap on the 3 small lines button and you see how much you win from your current bet when 3, 4, or 5 examples of the same symbol type land across any of the 15 lines from the left side.
Though this is the true technical definition of a Bitcoin wallet, it has a tendency to make your eyes cross a little bit, so it can be easier to understand if you think of the stored key access as a representation of the amount of Bitcoin or any other token that you own.