A Survey on Exotic Signatures for Post-Quantum Blockchain: Challenges & Research Directions

dc.contributor.authorBuser, Maximeen
dc.contributor.authorDowsley, Rafaelen
dc.contributor.authorEsgin, Muhammeden
dc.contributor.authorGritti, Clementineen
dc.contributor.authorKasra Kermanshahi, Shabnamen
dc.contributor.authorKuchta, Veronikaen
dc.contributor.authorLeGrow, Jason T.en
dc.contributor.authorLiu, Josephen
dc.contributor.authorPhan, Raphaƫl C.-W.en
dc.contributor.authorSakzad, Aminen
dc.contributor.authorSteinfeld, Ronen
dc.contributor.authorYu, Jiangshanen
dc.date.accessioned2023-01-24T20:21:15Zen
dc.date.available2023-01-24T20:21:15Zen
dc.date.issued2023en
dc.date.updated2023-01-23T15:13:19Zen
dc.description.abstractBlockchain technology provides efficient and secure solutions to various online activities by utilizing a wide range of cryptographic tools. In this paper, we survey the existing literature on post-quantum secure digital signatures that possess exotic advanced features and which are crucial cryptographic tools used in the blockchain ecosystem for (i) account management, (ii) consensus efficiency, (iii) empowering scriptless blockchain, and (iv) privacy. The exotic signatures that we particularly focus on in this work are the following: multi-/aggregate, threshold, adaptor, blind and ring signatures. Herein the term exotic refers to signatures with properties which are not just beyond the norm for signatures e.g. unforgeability, but also imbue new forms of functionalities. Our treatment of such exotic signatures includes discussions on existing challenges and future research directions in the post-quantum space. We hope that this article will help to foster further research to make post-quantum cryptography more accessible so that blockchain systems can be made ready in advance of the approaching quantum threats.en
dc.description.versionAccepted versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1145/3572771en
dc.identifier.urihttp://hdl.handle.net/10919/113406en
dc.language.isoenen
dc.publisherACMen
dc.rightsIn Copyrighten
dc.rights.holderACMen
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.titleA Survey on Exotic Signatures for Post-Quantum Blockchain: Challenges & Research Directionsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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