Comparative Analysis of Distributed Ledger Technologies

Suciu, George; Nadrag, Carmen; Istrate, Cristiana; Vulpe, Alexandru; Ditu, Maria-Cristina; Subea, Oana

doi:10.1109/gws.2018.8686563

Cited by 43 publications

(32 citation statements)

References 4 publications

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“…The key components that characterize DLT are distributed ledger, smart contract, cryptography, and consensus mechanism. Ledger is simply defined as a log of an ordered list of transactions such as financial, supply chain, and energy transactions [60]. Distributed ledger is a replicated identical data structure, which is received by all system nodes and updated through consensus among nodes.…”

Section: Distributed Ledger Technologymentioning

confidence: 99%

Microgrid Transactive Energy: Review, Architectures, Distributed Ledger Technologies, and Market Analysis

et al. 2020

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Prosumer concept and digitilization offer the exciting potential of microgrid transactive energy systems at distribution level for reducing transmission losses, decreasing electric infrastructure expenditure, improving reliability, enhancing local energy use, and minimizing customers' electricity bills. Distributed energy resources, demand response, distributed ledger technologies, and local energy markets are integral parts of transaction energy system for emergence of decentralized smart grid system. Hence, this paper discusses transactive energy concept and proposes seven functional layers architecture for designing transactive energy system. The proposed architecture is compared with practical case study of Brooklyn microgrid. Moreover, this paper reviews the existing architectures and explains the widely known distributed ledger technologies (blockchain, directed acyclic graph, hashgraph, holochain, and tempo) alongwith their advantages and challenges. The local energy market concept is presented and critically analyzed for energy trade within a transactive energy system. This paper also reviews the potential and challenges of peer-topeer and community-based energy markets. Proposed architecture and analytical review of distributed ledger technologies and local energy markets pave the way for advanced research and industrialization of transactive energy systems. INDEX TERMS Blockchain, decentralization, demand response, distributed ledger technologies, energy trading, local energy market, microgrid, peer-to-peer market, prosumer, renewable energy sources, smart grid, system architectures, transactive energy.

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Section: Distributed Ledger Technologymentioning

confidence: 99%

Microgrid Transactive Energy: Review, Architectures, Distributed Ledger Technologies, and Market Analysis

et al. 2020

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“…Moreover, the emergence of blockchain opens new opportunities for systems that involve multiple stakeholders. The logistic chain domain, which involves multiple stakeholders, provides relevant use cases for this technology [ 8 ], especially for traceability purpose [ 9 ]. The blockchain promotes the development of smart logistics [ 10 ], using smart contracts.…”

Section: Related Workmentioning

confidence: 99%

IoT Data Qualification for a Logistic Chain Traceability Smart Contract

Ahmed

Taconet

Ould³

et al. 2021

Sensors

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In the logistic chain domain, the traceability of shipments in their entire delivery process from the shipper to the consignee involves many stakeholders. From the traceability data, contractual decisions may be taken such as incident detection, validation of the delivery or billing. The stakeholders require transparency in the whole process. The combination of the Internet of Things (IoT) and the blockchain paradigms helps in the development of automated and trusted systems. In this context, ensuring the quality of the IoT data is an absolute requirement for the adoption of those technologies. In this article, we propose an approach to assess the data quality (DQ) of IoT data sources using a logistic traceability smart contract developed on top of a blockchain. We select the quality dimensions relevant to our context, namely accuracy, completeness, consistency and currentness, with a proposition of their corresponding measurement methods. We also propose a data quality model specific to the logistic chain domain and a distributed traceability architecture. The evaluation of the proposal shows the capacity of the proposed method to assess the IoT data quality and ensure the user agreement on the data qualification rules. The proposed solution opens new opportunities in the development of automated logistic traceability systems.

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“…How to effectively store, share, and manage medical data involving a large number of patients' privacy has become an obstacle to the development of the healthcare industry. Due to the characteristics of blockchain [12], such as non-tamperability, traceability, and multi private key authorization management, it is possible to share medical data securely among different institutions [13].…”

Section: Blockchainmentioning

confidence: 99%

An Efficient Certificateless Aggregate Signature Scheme for Blockchain-Based Medical Cyber Physical Systems

Shu

Huang

et al. 2020

Sensors

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Different from the traditional healthcare field, Medical Cyber Physical Systems (MCPS) rely more on wireless wearable devices and medical applications to provide better medical services. The secure storage and sharing of medical data are facing great challenges. Blockchain technology with decentralization, security, credibility and tamper-proof is an effective way to solve this problem. However, capacity limitation is one of the main reasons affecting the improvement of blockchain performance. Certificateless aggregation signature schemes can greatly tackle the difficulty of blockchain expansion. In this paper, we describe a two-layer system model in which medical records are stored off-blockchain and shared on-blockchain. Furthermore, a multi-trapdoor hash function is proposed. Based on the proposed multi-trapdoor hash function, we present a certificateless aggregate signature scheme for blockchain-based MCPS. The purpose is to realize the authentication of related medical staffs, medical equipment, and medical apps, ensure the integrity of medical records, and support the secure storage and sharing of medical information. The proposed scheme is highly computationally efficient because it does not use bilinear maps and exponential operations. Many certificateless aggregate signature schemes without bilinear maps in Internet of things (IoT) have been proposed in recent years, but they are not applied to the medical field, and they do not consider the security requirements of medical data. The proposed scheme in this paper has high computing and storage efficiency, while meeting the security requirements in MCPS.

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Comparative Analysis of Distributed Ledger Technologies

Cited by 43 publications

References 4 publications

Microgrid Transactive Energy: Review, Architectures, Distributed Ledger Technologies, and Market Analysis

Microgrid Transactive Energy: Review, Architectures, Distributed Ledger Technologies, and Market Analysis

IoT Data Qualification for a Logistic Chain Traceability Smart Contract

An Efficient Certificateless Aggregate Signature Scheme for Blockchain-Based Medical Cyber Physical Systems

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