When you use Nostr, you sign each post and reply with a private key. Never use a key before? Here's an intro to this game-changing tech.

Casa Blog

Cryptography 101: Private keys and how they work

How can you prove you own something on the internet? The answer lies in private keys. Learn more about this game-changing technology.

🧠 Did you know you don't have to use a mobile key with a 3-key vault? You can swap a second hardware key for your mobile key. This is a great fit for those who don't want a key on a device they carry around all the time. Read more tips here:

Casa Blog

5 ways to personalize your Casa vault

Looking to make the most of your self-custody? Check out these must-know Casa features.