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FileBounty: Fair Data Exchange [article]

Simon Janin, Kaihua Qin, Akaki Mamageishvili, Arthur Gervais
2020 arXiv   pre-print
We present FileBounty, a fair protocol which, assuming the cryptographic hash of the file of interest is known to the buyer, is trust-free and lets a buyer purchase data for a previously agreed monetary  ...  If buyer and seller behave honestly, FileBounty's execution requires only three on-chain transactions, while the actual data is exchanged off-chain in an efficient and privacy-preserving manner.  ...  As a summary our contributions are as follows: Fair one-to-one Exchange We propose FileBounty, a fair data exchange protocol which allows a buyer (who knows 2 Note that we consider the semi-trusted third  ... 
arXiv:2008.11362v2 fatcat:ko6a6bwfbjfahcysrnycmif55y

Table of Contents

2020 2020 IEEE European Symposium on Security and Privacy Workshops (EuroS&PW)  
: Fair Data Exchange 357 Simon Janin (X80 Security), Kaihua Qin (Imperial College London), Akaki Mamageishvili (ETH Zurich), and Arthur Gervais (Imperial College London) ix Performance Trade-offs  ...  Technical University of Darmstadt) IEEE S&B 2020: 4th IEEE Workshop on Security and Privacy on the Blockchain 356 Tim Ruffing (Blockstream) and Florian Tschorsch (Technische Universität Berlin) FileBounty  ... 
doi:10.1109/eurospw51379.2020.00004 fatcat:jbo77m3nlvdd5gucfizlqfvei4