The HSOM, Hydron System of Money, or simply the Hydron is a very unusual type of currency used in Bormstadtia. It uses one rock ( kilograms, or 41.55 pounds) of an element. This is how you convert Hydron to Dollars:
$H1 = US$12.94
$He1 = $H2
$Li1 = $He2
$Be1 = $Li2
... and so on.
That means, $Na1 is basically 1.8 bitcoins, and you only have to get 8.55 kilograms of sodium.
Most stores in Bormstadtia use the $Fe, $Kr, $Mo system. Cheap thing stores use the $Fe, and cars use $Mo, and supercars like the car brand undefined created by ILGVARSBOSS use $Ag. Miner has $Uun1.72, which is in the order of undecillion dollars. He is this rich because he can create elements. The element has to be in a stable isotope to be considered money.
This is how you do the conversion of HSOM to dollars: .