how is possible that high puzzles already cracked in this high bit range
70 , 75 , 80 , 85 , 90 , 95 , 100 , 105 , 110 , 115
and why 120 and 125 and 130 unsolved
The author of the puzzles release the publickey by doing some small spending in those puzzles. Those were solved with kangaroo or some other tools. The 120 bit puzzle and above are really big and the cost to solve those puzzles is bigger than they worth.