Brute Forcing RAR file using several PC Paying in Bitcoin

[Gribouillis]

when we look at the bitcoin hashrate it's 240.75M terahashes per second.

Let us compute

>>> h_per_sec = 240.75e6 * 1e12
>>> space = 1.9074403212938070052188251342723e+75
>>> secs = space / h_per_sec
>>> sec_per_year = 3600 * 24 * 365.25
>>> years = secs / sec_per_year
>>> years
2.5106183344206745e+47
>>> 

It seems that more that 2e+47 years of the bitcoin hashrate are necessary to scan the 1.9e75 keyspace that you have. As the age the universe is estimated to less than 1.4e10 years as far as we know, it means that you need many tera-tera-tera ages of the universe to explore that space.

Unless I'm making a mistake in my calculations.