What are private keys?

You can think of your Bitcoin wallet like a vault, and the private key is the code used to unlock and move your BTC. Each private key creates a unique signature that authorizes the transaction of bitcoin for the owner. It’s called a private key because it is meant to be kept private and not shown to other people. With Bitcoin, you are your own bank, so it's important you write down your private keys on a piece of paper and store them in a safe place.

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