Quantum money that uses the mathematics of knots could be unforgeable

1 year ago 98

A monetary strategy built utilizing a operation of quantum computers and the mathematics of knots could beryllium intolerable to counterfeit

Physics 7 January 2023

By Karmela Padavic-Callaghan

Money rolling disconnected  the printer

Quantum wealth would unrecorded connected quantum computers

Nerthuz / Alamy Stock Photo

Quantum wealth underpinned by the mathematics of knots could beryllium intolerable to forge.

In a quantum monetary system, wealth is represented arsenic a postulation of quantum bits – qubits – connected a quantum computer. There is simply a concealed process for creating the wealth that lone the authorization successful charge, specified arsenic a mint, tin perform. And copying the quantum wealth is intolerable acknowledgment to a instrumentality of physics called the no-cloning theorem. Effectively, if idiosyncratic learned capable accusation astir the quantum wealth to duplicate …

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