The mantissa (the decimal part as opposed to the exponent part) of a 64bit floating point number safely holds 21x10^14 (sats) and leaves enough overhead to add or subtract two values without overflow. This appears to be the reasoning given to by this article.
Log10(21x10^14)/log10(2) = 50.9 bits
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Interesting read
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Interesting comment
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I am whelmed by this.
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Interesting comment
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Interesting is an illegal word, you have to explain in other words what unique quality the reading was.
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