Comment by Retr0id

It's not a theory, I've done it.

Here's a cryptographically signed + timestamped photo of me winning the lottery: https://verify.contentauthenticity.org/?source=https%3A%2F%2...

Would you like to buy my winning ticket from me?

(Compare against winning numbers and draw timestamp at https://www.euro-millions.com/results/28-08-2026 )