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Designs, Codes and Cryptography

Erschienen in:

01.01.2016

Cryptocash, cryptocurrencies, and cryptocontracts

verfasst von: Neal Koblitz, Alfred J. Menezes

Erschienen in: Designs, Codes and Cryptography | Ausgabe 1/2016

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Abstract

One of the central challenges for mathematical cryptography is to create a payment system that provides the advantages of cash in a digital world. In this expository article we describe two very different solutions to this problem. The first is an elliptic-curve-based version of a construction of Brands, and the second is Bitcoin. We also discuss a generalization of Bitcoin that supports peer-to-peer contracts.

Vorheriger Artikel Technical history of discrete logarithms in small characteristic finite fields

Nächster Artikel Disjoint difference families and their applications

A Bitcoin address is derived from the public key but is not identical to it, since it is convenient to shorten the address by hashing. However, we shall disregard such features of Bitcoin in the interest of simplicity.

The reward will be halved every 210,000 blocks until the year 2140, when the total number of bitcoins will reach 21 million; after that, the only incentive to miners will be the transaction fees.

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Titel: Cryptocash, cryptocurrencies, and cryptocontracts
verfasst von: Neal Koblitz
Alfred J. Menezes
Publikationsdatum: 01.01.2016
Verlag: Springer US
Erschienen in: Designs, Codes and Cryptography / Ausgabe 1/2016
Print ISSN: 0925-1022
Elektronische ISSN: 1573-7586
DOI: https://doi.org/10.1007/s10623-015-0148-5

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Cryptocash, cryptocurrencies, and cryptocontracts

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