Publikation: Trusted Timestamping using the Crypto Currency Bitcoin
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2015
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iConference 2015 Proceedings. iSchools, 2015
Zusammenfassung
Trusted timestamping is a process for proving that certain information existed at a given point in time. This paper presents a trusted timestamping concept and its implementation in form of a web-based service that uses the decentralized Bitcoin block chain to store anonymous, tamper-proof timestamps for digital content. The service allows users to hash files, such as text, photos or videos, and store the created hashes in the Bitcoin block chain. Users can then retrieve and verify the timestamps that have been committed to the block chain. The non-commercial service enables anyone, e.g., researchers, authors, journalists, students, or artists, to prove that they were in possession of certain information at a given point in time. Common use cases include proving that a contract has been signed, a photo taken, a video recorded, or a task completed prior to a certain date. All procedures maintain complete privacy of the user's data.
Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
004 Informatik
Schlagwörter
Trusted Timestamping, Crypto Currencies, Bitcoin, Block chain, Cryptography, Web Applications
Konferenz
iConference 2015, 24. März 2015 - 27. März 2015, Newport Beach
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ISO 690
GIPP, Bela, Norman MEUSCHKE, André GERNANDT, 2015. Trusted Timestamping using the Crypto Currency Bitcoin. iConference 2015. Newport Beach, 24. März 2015 - 27. März 2015. In: iConference 2015 Proceedings. iSchools, 2015BibTex
@inproceedings{Gipp2015Trust-31359,
year={2015},
title={Trusted Timestamping using the Crypto Currency Bitcoin},
url={http://hdl.handle.net/2142/73770},
publisher={iSchools},
booktitle={iConference 2015 Proceedings},
author={Gipp, Bela and Meuschke, Norman and Gernandt, André}
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<dcterms:abstract xml:lang="eng">Trusted timestamping is a process for proving that certain information existed at a given point in time. This paper presents a trusted timestamping concept and its implementation in form of a web-based service that uses the decentralized Bitcoin block chain to store anonymous, tamper-proof timestamps for digital content. The service allows users to hash files, such as text, photos or videos, and store the created hashes in the Bitcoin block chain. Users can then retrieve and verify the timestamps that have been committed to the block chain. The non-commercial service enables anyone, e.g., researchers, authors, journalists, students, or artists, to prove that they were in possession of certain information at a given point in time. Common use cases include proving that a contract has been signed, a photo taken, a video recorded, or a task completed prior to a certain date. All procedures maintain complete privacy of the user's data.</dcterms:abstract>
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