Most people don't know what a private key is, but they are one of the most powerful technologies that we all use every day. If you hold bitcoin or other crypto 😂, there's a decent chance you have a vague idea of what a private key is but haven't thought much about why private key technology is so important.

Private keys have three fundamental superpowers. I like to call them by the incredibly catchy name "The Three U's."

Private keys are:

• Unique
• Unguessable
• Unforgeable

Here's what that means.

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