However, beyond this original purpose, blockchains also irrevocably record arbitrary data, ranging from short messages to pictures.
BitCoin Mining: Warning to the miners - Velox Systems
This does not come without risk for users as each participant has to locally replicate the complete blockchain, particularly including potentially harmful content. We provide the first systematic analysis of the benefits and threats of arbitrary blockchain content.
Our analysis shows that certain content, e. Among these files there is clearly objectionable content such as links to illegal pornography, which is distributed to all Bitcoin participants. With our analysis, we thus highlight the importance for future blockchain designs to address the possibility of unintended data insertion and protect blockchain users accordingly.
UROP Project
On this page, we provide background information on our work and answer frequently asked questions work in progress. For a full understanding of our work, please consult our paper presented at Financial Cryptography as well as our discussion of potential countermeasures to be presented at the IEEE Workshop on Blockchain Technologies and Applications Download references. You can also search for this author in PubMed Google Scholar.
Correspondence to Lars Dittmar or Aaron Praktiknjo. Reprints and Permissions.
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Download citation. Received : 21 November Accepted : 19 June Published : 28 August Issue Date : September Informatik Spektrum Communication Theory Advanced search. Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.
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RWTH Aachen University
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