Towards scalable and private industrial blockchains

Wenting Li, Alessandro Sforzin, Sergey Fedorov, Ghassan O. Karame

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    The blockchain emerges as an innovative tool that has the potential to positively impact the way we design a number of online applications today. In many ways, the blockchain technology is, however, still not mature enough to cater for industrial standards. Namely, existing Byzantine tolerant permission-based blockchain deployments can only scale to a limited number of nodes. These systems typically require that all transactions (and their order of execution) are publicly available to all nodes in the system, which comes at odds with common data sharing practices in the industry, and prevents a centralized regulator from overseeing the full blockchain system. In this paper, we propose a novel blockchain architecture devised specifically to meet industrial standards. Our proposal leverages the notion of satellite chains that can privately run different consensus protocols in parallel - thereby considerably boosting the scalability premises of the system. Our solution also accounts for a "hands-off" regulator that oversees the entire network, enforces specific policies by means of smart contracts, etc. We implemented our solution and integrated it with Hyperledger Fabric v0.6 [2].

    Original languageEnglish
    Title of host publicationBCC 2017 - Proceedings of the ACM Workshop on Blockchain, Cryptocurrencies and Contracts, co-located with ASIA CCS 2017
    PublisherAssociation for Computing Machinery, Inc
    Pages9-14
    Number of pages6
    ISBN (Electronic)9781450349741
    DOIs
    Publication statusPublished - 2 Apr 2017
    Event1st ACM Workshop on Blockchain, Cryptocurrencies and Contracts, BCC 2017 - Abu Dhabi, United Arab Emirates
    Duration: 2 Apr 2017 → …

    Other

    Other1st ACM Workshop on Blockchain, Cryptocurrencies and Contracts, BCC 2017
    Country/TerritoryUnited Arab Emirates
    CityAbu Dhabi
    Period2/04/17 → …

    Keywords

    • Hyperledger
    • Privacy
    • Private Blockchain
    • Scalability

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