Physics – Quantum Physics
Scientific paper
2009-11-06
Error-Correcting Codes, Finite Geometries and Cryptography. Contemporary Mathematics, volume 523, pages 35-47. American Mathem
Physics
Quantum Physics
12 pages, 4 figures
Scientific paper
One of the earliest cryptographic applications of quantum information was to create quantum digital cash that could not be counterfeited. In this paper, we describe a new type of quantum money: quantum coins, where all coins of the same denomination are represented by identical quantum states. We state desirable security properties such as anonymity and unforgeability and propose two candidate quantum coin schemes: one using black box operations, and another using blind quantum computation.
Mosca Michele
Stebila Douglas
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