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Epidemic Propagation for Decentralised Consensus in Blockchain


About This PhD Project

Project Description

In Blockchain all nodes must interact and agree seamlessly, validating blocks and transactions. Consensus in Blockchain can be achieved using Proof-of-Work or Proof-of-Stake. However these have been shown to have critical limitations. In this project Epidemic Protocols will be adopted to develop a solution to the distributed consensus problem for Blockchain. Epidemic or Gossip-based protocols adopt a bio-inspired communication strategy which is based on a similar mathematical model of the exponential and incontrollable spread of infectious diseases. Epidemic protocols are suitable for large and extreme-scale, distributed and dynamic systems. They can be adopted to disseminate information (exponential propagation) and to aggregate information in a large and extreme-scale distributed environment using randomised communication.

References

M. M. Ayiad and G. Di Fatta, "Agreement in Epidemic Data Aggregation", Proceedings of the 23rd IEEE International Conference on Parallel and Distributed Systems (ICPADS), IEEE Computer Society, Shenzhen, China, Dec. 15-17, 2017, pp. 738-746.
M. Ayiad, A. Katti, G. Di Fatta, "Agreement in Epidemic Information Dissemination", Proceedings of the 9th International Conference on Internet and Distributed Computing Systems (IDCS), Wuhan, China, Sept. 28-30, 2016, Springer LNCS 9864, pp. 95-106.

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