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@Inproceedings { 2019_wagner_dispute_resolution,
   title = {Dispute Resolution for Smart Contract-based Two Party Protocols},
   year = {2019},
   month = {5},
   abstract = {Blockchain systems promise to mediate interactions of mutually distrusting parties without a trusted third party. However, protocols with full smart contract-based security are either limited in functionality or complex, with high costs for secured interactions. This observation leads to the development of protocol-specific schemes to avoid costly dispute resolution in case all participants remain honest. In this paper, we introduce SmartJudge, an extensible generalization of this trend for smart contract-based two-party protocols. SmartJudge relies on a protocol-independent mediator smart contract that moderates two-party interactions and only consults protocol-specific verifier smart contracts in case of a dispute. This way, SmartJudge avoids verification costs in absence of disputes and sustains interaction confidentiality among honest parties. We implement verifier smart contracts for cross-blockchain trades and exchanging digital goods and show that SmartJudge can reduce costs by 46-50\% and 22\% over current state of the art, respectively.},
   keywords = {Ethereum,Bitcoin,smart contracts,two-party protocols,dispute resolution,cross-blockchain trades},
   tags = {mynedata, impact-digital, rfc},
   url = {https://www.comsys.rwth-aachen.de/fileadmin/papers/2019/2019-wagner-dispute.pdf},
   publisher = {IEEE},
   booktitle = {IEEE International Conference on Blockchain and Cryptocurrency 2019 (ICBC 2019)},
   event_place = {Seoul, South Korea},
   event_name = {IEEE International Conference on Blockchain and Cryptocurrency 2019},
   language = {English},
   DOI = {10.1109/BLOC.2019.8751312},
   reviewed = {1},
   author = {Wagner, Eric and V{\"o}lker, Achim and Fuhrmann, Frederik and Matzutt, Roman and Wehrle, Klaus}
}