If you have the private key you can send money as you see fit. The purpose of the puzzle is to find the private key given only 75% of it. Let’s imagine that t

If you have the private key you can send money as you see fit. The purpose of the puzzle is to find the private key given only 75% of it. Let’s imagine that takes 1 year to brute force the last 25%. But if you have the public key as well, it only takes 1 minute. As soon as the coins were sent, the private key was known since it inherently revealed the public key.