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    • Reputation based pcroof of cooperation: an efficient and scalable consensus algorithm for supply chain applications
    Authors: Aaliya, Sarfaraz; Ripon K., Chakrabortty; Daryl L., Essam;  Advisor: -;  Co-Author: - (2023)

    The growing interest in blockchain technology has gained a lot of attention in Supply Chain Management (SCM) and sparked the quest for decentralized, scalable, efficient and trustworthy consensus schemes. Traditional blockchains rely on computationally expensive consensus mechanisms with low throughput and high latency. This paper conducts a performance evaluation of several existing consensus protocols to illustrate blockchain’s shortcomings in terms of consensus and propose a new consensus algorithm: Reputation based proof of cooperation (RPoC). The RPoC algorithm uses a layered architecture to segment the nodes that participate in the consensus phase in order to improve scalability and efficiency while maintaining trust among peers.
    • The Social-Ecological System of Farmers’ Current Soil Carbon Management in Australian Grazing Lands
    Authors: Amin, Md Nurul; Bruyn, Lisa Lobry de; Hossain, Md Sarwar;  Advisor: -;  Co-Author: - (2023)

    Soil carbon sequestration programmes are a way of offsetting GHG emissions, however, it requires agricultural landholders to be engaged in such initiatives for carbon offsets to occur. Farmer engagement is low in market-based programmes for soil carbon credits in Australia. We interviewed long-term practitioners (n = 25) of rotational grazing in high-rainfall lands of New South Wales, Australia to understand their current social-ecological system (SES) of soil carbon management (SCM). The aim was to identify those components of the SES that motivate them to manage soil carbon and also influence their potential engagement in soil carbon sequestration programmes.