1 You only need to save the private key , as the pub key and address can be regenerate at any time later from the private key . But saving the address will be easier to receive funds because then you don ' t need to regenerate it . Public key you ' d only want to save if you were using it to generate a multisig address . Otherwise not needed . 2 The address 3 Private key is base 58 encoded , so you can decode it to hex for example sure why you ' d need to though ? <| sep |> What , private companies choosing who they do business with ? Well if you ' re a free market capitalist kind of guy , I disagree but your position makes sense . If you ' re more left wing , refusing a customer for political reasons should be a huge no . <| sep |> Awake ? try jacking off . cum on jack ! , as jack should . sometimes .