Question please: I took the unsolved address from a text file in keyhunt i think there's about 80 addresses in there,
and tried to pass them to cubitcrack using -i to read from the file but it always gives me an error, but if the files has just few address cubitcrack works!
any idea how to fix that or work around it?
I never used any of those tools, but if you are searching for puzzle 66 in 66 bit range, you only need puzzle 66 address, unless you are trying to search a larger range which is pointless and a waste of your time and resources.
I have said this many times, brute forcing for addresses with no good hardware is futile. If you want to test your "luck" try buying a lottery ticket with closed eyes, just pick randomly, you'd have billion times more chance to win than finding a key using a gaming pc.
Last year, I was like you, I spent 4 months trying to find addresses, but then I realized there is a shortcut which is elliptic curve and math, you should skip this stage and mutate into the higher stages, learn how to do EC operations, division, subtraction etc.
If someone had told me this back then, I would be 4, 5 months ahead. Not that changes anything, but my time would not be wasted.