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Cryptography 2017, 1(2), 15;

Beyond Bitcoin: A Critical Look at Blockchain-Based Systems

Istituto di Calcolo e Reti ad Alte Prestazioni, I 80131 Naples, Italy
Author to whom correspondence should be addressed.
Received: 7 July 2017 / Revised: 14 August 2017 / Accepted: 16 August 2017 / Published: 1 September 2017
(This article belongs to the Special Issue Cryptographic Protocols)
Full-Text   |   PDF [681 KB, uploaded 1 September 2017]   |  


After more than eight years since the launch of Bitcoin, the decentralized transaction ledger functionality implemented through the blockchain technology is being used not only for cryptocurrencies, but to register, confirm and transfer any kind of contract and property. In this work, we analyze the most relevant functionalities and known issues of this technology, with the intent of pointing out the possible behaviours that are not as efficient and reliable as they should be when thinking with a broader outlook. View Full-Text
Keywords: cryptocurrency; blockchain technology; smart contract cryptocurrency; blockchain technology; smart contract

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Romano, D.; Schmid, G. Beyond Bitcoin: A Critical Look at Blockchain-Based Systems. Cryptography 2017, 1, 15.

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