> - Prove you're you. Which is great for incriminating you. Also the proof is only good if your secret key is still secret, which probably isn't the case if you

> - Prove you're you. Which is great for incriminating you. Also the proof is only good if your secret key is still secret, which probably isn't the case if you've been arrested. At that point, it's good for convincing people it's you when it's really the FBI. So, best practice: publish your private signing key publically if you ever get arrested?