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name: on-the-fly-quantum-money-transaction-implemented
date: 2018-02-01


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picture = :actualites:ressources:logo-nature-partner-journals.gif

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picture tag = Nature

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extra link = https://t.co/tciiwFr3Mw


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for 2 weeks until 2018-04-20, priority= normal

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notion = quantum information
notion text = {Quantum Information is the information stored in a quantum system. A quantum system is composed of one or many qubits: the fundamental unit of quantum information. A qubit is a 2-dimensional vector. The basis encodes two classical values of a bit. Quantum information, i.e. Von Neuman entropy, is the analogous of Shannon entropy for classical information, and it is often used to measure physical properties of a quantum system, like the entanglement.}
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The first **on-the-fly quantum money transaction** was implemented by researchers in Paris, 
including [[https://www.irif.fr/~jkeren|Iordanis Kerenidis]]. ​Quantum ​money is provably unforgeable​ due to the no-cloning property of quantum information.​