Re:Mining Bitcoin with pencil and paper: 0.67 hashes per day...
by BillinghamJ on Monday February 15, 2021 @07:24PM
(#26149534)
I generally work on the assumption that if it's being used to separate three digit separation, it's a thousand separator. If only two digits and it's a currency with cents, probably a decimal separator.
[0]: https://english.stackexchange.com/a/110693