64 bit privatekey when I know public key.
what is the time from start to find?
if you know the public key 10 minutes.
if not a couple of million years.When all the public keys from this puzzle are gone, we're at a dead end.
He write "It took almost 12 hours to find the #70 on my system (Intel® Xeon® CPU E3-1505M v6 @ 3.00GHz + 32 GB RAM). No GPU, only CPU (1 core, my program is not multithread)."