Quantum Money: The 5,000-Year Endgame of Cash, Forging and Sovereignty

StefanoGogioso · x · 2026-09-07

An essay on quantum money: cash runs on no infrastructure and no permission, powered only by trust that notes can't be cloned — an endless minting-vs-forgery arms race balancing sovereignty and commerce. Quantum money would be the final stop: unclonable by the laws of physics, truly sovereign, truly peer-to-peer digital money. It doesn't exist yet, but its feasibility is barely in doubt.

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