the price floor of information: erasing one bit costs at least kT·ln2 of energy — about 3×10⁻²¹ J at room temperature, a mass equivalent near 3×10⁻³⁸ kg by E = mc². knowledge is the good with the lowest mass per unit of value physics permits — which is why the interplanetary economy is an information economy, and why $CYB backs money with proven knowledge
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