A journal of IEEE and CAA , publishes high-quality papers in English on original theoretical/experimental research and development in all areas of automation
Volume 8 Issue 12
Dec.  2021

IEEE/CAA Journal of Automatica Sinica

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Article Contents
Schahram Dustdar, Pablo Fernández, José María García and Antonio Ruiz-Cortés, "Elastic Smart Contracts in Blockchains," IEEE/CAA J. Autom. Sinica, vol. 8, no. 12, pp. 1901-1912, Dec. 2021. doi: 10.1109/JAS.2021.1004222
Citation: Schahram Dustdar, Pablo Fernández, José María García and Antonio Ruiz-Cortés, "Elastic Smart Contracts in Blockchains," IEEE/CAA J. Autom. Sinica, vol. 8, no. 12, pp. 1901-1912, Dec. 2021. doi: 10.1109/JAS.2021.1004222

Elastic Smart Contracts in Blockchains

doi: 10.1109/JAS.2021.1004222
Funds:  This work was partially supported by FEDER/Ministerio de Ciencia e Innovación – Agencia Estatal de Investigación under project HORATIO (RTI2018-101204-B-C21), by Junta de Andalucía under projects APOLO (US-1264651) and EKIPMENT-PLUS (P18-FR-2895), and by the TU Wien Research Cluster Smart CT
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  • In this paper, we deal with questions related to blockchains in complex Internet of Things (IoT)-based ecosystems. Such ecosystems are typically composed of IoT devices, edge devices, cloud computing software services, as well as people, who are decision makers in scenarios such as smart cities. Many decisions related to analytics can be based on data coming from IoT sensors, software services, and people. However, they are typically based on different levels of abstraction and granularity. This poses a number of challenges when multiple blockchains are used together with smart contracts. This work proposes to apply our concept of elasticity to smart contracts and thereby enabling analytics in and between multiple blockchains in the context of IoT. We propose a reference architecture for Elastic Smart Contracts and evaluate the approach in a smart city scenario, discussing the benefits in terms of performance and self-adaptability of our solution.

     

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  • 1 https://ipfs.io/
    2 The prototype implementation and experiments launcher can be found at https://doi.org/10.5281/zenodo.40951003 The complete experimental results obtained can be found at https://doi.org/10.5281/zenodo.4267996
    The complete experimental results obtained can be found at https://doi.org/10.5281/zenodo.4267996
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    Highlights

    • We discuss integration and elasticity concerns for smart contracts in blockchains.
    • We present a reference architecture for Elastic Smart Contracts.
    • The evaluation in an IoT-based smart city scenario shows its effectiveness.

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