Hierarchical consensus: A horizontal scaling framework for blockchains

De la Rocha A, Kokoris Kogias E, Soares JM, Vukolic M. 2022. Hierarchical consensus: A horizontal scaling framework for blockchains. 42nd International Conference on Distributed Computing Systems Workshops. ICDCSW: International Conference on Distributed Computing Systems Workshop vol. 2022, 45–52.

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Conference Paper | Published | English

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Author
De la Rocha, Alfonso; Kokoris Kogias, LefterisISTA; Soares, Jorge M.; Vukolic, Marko
Department
Abstract
We present the Filecoin Hierarchical Consensus framework, which aims to overcome the throughput challenges of blockchain consensus by horizontally scaling the network. Unlike traditional sharding designs, based on partitioning the state of the network, our solution centers on the concept of subnets -which are organized hierarchically- and can be spawned on-demand to manage new state. Child sub nets are firewalled from parent subnets, have their own specific policies, and run a different consensus algorithm, increasing the network capacity and enabling new applications. Moreover, they benefit from the security of parent subnets by periodically checkpointing state. In this paper, we introduce the overall system architecture, our detailed designs for cross-net transaction handling, and the open questions that we are still exploring.
Publishing Year
Date Published
2022-11-29
Proceedings Title
42nd International Conference on Distributed Computing Systems Workshops
Volume
2022
Page
45-52
Conference
ICDCSW: International Conference on Distributed Computing Systems Workshop
Conference Location
Bologna, Italy
Conference Date
2022-07-10 – 2022-07-10
eISSN
IST-REx-ID

Cite this

De la Rocha A, Kokoris Kogias E, Soares JM, Vukolic M. Hierarchical consensus: A horizontal scaling framework for blockchains. In: 42nd International Conference on Distributed Computing Systems Workshops. Vol 2022. Institute of Electrical and Electronics Engineers; 2022:45-52. doi:10.1109/icdcsw56584.2022.00018
De la Rocha, A., Kokoris Kogias, E., Soares, J. M., & Vukolic, M. (2022). Hierarchical consensus: A horizontal scaling framework for blockchains. In 42nd International Conference on Distributed Computing Systems Workshops (Vol. 2022, pp. 45–52). Bologna, Italy: Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/icdcsw56584.2022.00018
De la Rocha, Alfonso, Eleftherios Kokoris Kogias, Jorge M. Soares, and Marko Vukolic. “Hierarchical Consensus: A Horizontal Scaling Framework for Blockchains.” In 42nd International Conference on Distributed Computing Systems Workshops, 2022:45–52. Institute of Electrical and Electronics Engineers, 2022. https://doi.org/10.1109/icdcsw56584.2022.00018.
A. De la Rocha, E. Kokoris Kogias, J. M. Soares, and M. Vukolic, “Hierarchical consensus: A horizontal scaling framework for blockchains,” in 42nd International Conference on Distributed Computing Systems Workshops, Bologna, Italy, 2022, vol. 2022, pp. 45–52.
De la Rocha A, Kokoris Kogias E, Soares JM, Vukolic M. 2022. Hierarchical consensus: A horizontal scaling framework for blockchains. 42nd International Conference on Distributed Computing Systems Workshops. ICDCSW: International Conference on Distributed Computing Systems Workshop vol. 2022, 45–52.
De la Rocha, Alfonso, et al. “Hierarchical Consensus: A Horizontal Scaling Framework for Blockchains.” 42nd International Conference on Distributed Computing Systems Workshops, vol. 2022, Institute of Electrical and Electronics Engineers, 2022, pp. 45–52, doi:10.1109/icdcsw56584.2022.00018.

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