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Keywords = Tenderfone

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22 pages, 781 KiB  
Article
From Agents to Blockchain: Stairway to Integration
by Giovanni Ciatto, Stefano Mariani, Andrea Omicini and Franco Zambonelli
Appl. Sci. 2020, 10(21), 7460; https://doi.org/10.3390/app10217460 - 23 Oct 2020
Cited by 6 | Viewed by 3336
Abstract
The blockchain concept and technology are impacting many different research and application fields; hence, many are looking at the blockchain as a chance to solve long-standing problems or gain novel benefits. In the agent community several authors are proposing their own combination of [...] Read more.
The blockchain concept and technology are impacting many different research and application fields; hence, many are looking at the blockchain as a chance to solve long-standing problems or gain novel benefits. In the agent community several authors are proposing their own combination of agent-oriented technology and blockchain to address both old and new challenges. In this paper we aim at clarifying which are the opportunities, the dimensions to consider, and the alternative approaches available for integrating agents and blockchain, by proposing a roadmap and illustrating the issues yet to be addressed. Then, as both validation of our roadmap and grounds for future development, we discuss the case of Tenderfone, a custom blockchain integrating concepts borrowed from agent-oriented programming. Full article
(This article belongs to the Special Issue Advances in Blockchain Technology and Applications II)
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20 pages, 697 KiB  
Article
Blockchain-Based Coordination: Assessing the Expressive Power of Smart Contracts
by Giovanni Ciatto, Stefano Mariani, Alfredo Maffi and Andrea Omicini
Information 2020, 11(1), 52; https://doi.org/10.3390/info11010052 - 17 Jan 2020
Cited by 13 | Viewed by 5038
Abstract
A common use case for blockchain smart contracts (SC) is that of governing interaction amongst mutually untrusted parties, by automatically enforcing rules for interaction. However, while many contributions in the literature assess SC computational expressiveness, an evaluation of their power in terms of [...] Read more.
A common use case for blockchain smart contracts (SC) is that of governing interaction amongst mutually untrusted parties, by automatically enforcing rules for interaction. However, while many contributions in the literature assess SC computational expressiveness, an evaluation of their power in terms of coordination (i.e., governing interaction) is still missing. This is why in this paper we test mainstream SC implementations by evaluating their expressive power in coordinating both inter-users and inter-SC activities. To do so, we exploit the archetypal Linda coordination model as a benchmark—a common practice in the field of coordination models and languages—by discussing to what extent mainstream blockchain technologies support its implementation. As they reveal some notable limitations (affecting, in particular, coordination between SC) we then show how Tenderfone, a custom blockchain implementation providing for a more expressive notion of SC, addresses the aforementioned limitations. Full article
(This article belongs to the Special Issue Blockchain Technologies for Multi-Agent Systems)
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