"Imagine for puzzle 66, for a single computer that i have, I need about 2,500 years to be able to get one of his lowest easiest puzzles which are 6.6BTC"
Well, yes, the author of Puzzle suggests searching for the key 2 ^ 158. No pub key! As I understand it, we must brute force. ))) Guys, well, you're not idiots! Why did you
2500 years? I have estimated with the help of my mentor, that I need around 40,000 years to brute force 66. So you are way ahead of me.
I guess the point of this "crap" is to show off, here some free bitcoins in the easiest bit ranges for grab, collect them if you can.
It also is an indication to warn people why using addresses more than once is not a good practice, as we all know exposed public keys can endanger the security of private key exponentially.