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I see your 10^14 Zimbabwe Dollar Note and raise you this 10^20 Hungarian pengő, https://en.wikipedia.org/wiki/Hungarian_pengő https://en.wikipedia.org/wiki/Hu
by perihelions 3y ago
I see your 10^14 Zimbabwe Dollar Note and raise you this 10^20 Hungarian pengő,
https://en.wikipedia.org/wiki/Hungarian_pengő https://en.wikipedia.org/wiki/Hungarian_pengő (caption: "100 million trillion (100 quintillion) pengő (1946)")
At its nadir (US$ 1.0 = 4.6*10^29 P), a reasonable-sized transaction denominated in, for example, micro-pengős, would have overflowed a uint128_t.
Conclusion: just use floating point, it's inflation-proof.