Accurate and decentralized timestamping using smart contracts on the Ethereum blockchain

Timestamps allow us to identify a date and time when a piece of data existed or an event took place. For example, we use timestamps to establish the date when we grant a patent. Services that offer trusted timestamps on the blockchain exist, where one creates a timestamp on a value by sending the bl...

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Veröffentlicht in:	Information processing & management 2021-05, Vol.58 (3), p.102471, Article 102471
Hauptverfasser:	Estevam, Gabriel, Palma, Lucas M., Silva, Luan R., Martina, Jean E., Vigil, Martín
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Blockchain Contracts Cost analysis Cryptography Digital currencies Ethereum Programming languages Smart contract Timestamp Trusted timestamping
Online-Zugang:	Volltext
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