- document
-
di Angelo, Monika (author), Durieux, T. (author), Ferreira, João F. (author), Salzer, Gernot (author)Blockchain programs (also known as smart contracts) manage valuable assets like cryptocurrencies and tokens, and implement protocols in domains like decentralized finance (DeFi) and supply-chain management. These types of applications require a high level of security that is hard to achieve due to the transparency of public blockchains....journal article 2024
- document
-
Hunhevicz, Jens J. (author), Hall, Daniel M. (author), Brasey, Pierre-Antoine (author), Bonanomi, Marcella M.M. (author), Fischer, Martin (author)This paper presents a first conceptualization for decentralized project delivery through the combination of blockchain technology and common pool resource governance theory, also known as the ”crypto commons”. While previous literature on project delivery models identifies the use of decentralized governance, there is not yet a holistic...journal article 2024
- document
-
The book is organized into three distinct parts. The first part focuses on data-driven digital technologies and delves into how their capabilities can facilitate the transition to a circular built environment. Essential aspects such as building information modeling (BIM), digital twins, geographical information systems (GIS), scanning...book 2024
- document
-
Li, T. (author), Xu, L. (author), Erkin, Z. (author), Lagendijk, R.L. (author)With the fast development of e-commerce, there is a higher demand for timely delivery. Logistic companies want to send receivers a more accurate arrival prediction to improve customer satisfaction and lower customer retention costs. One approach is to share (near) real-time location data with recipients, but this also introduces privacy and...conference paper 2024
- document
-
Schlatt, Vincent (author), Guggenberger, Tobias (author), Schmid, J. (author), Urbach, Nils (author)Blockchain-based systems become increasingly attractive targets for cybercrime due to the rising amount of value transacted in respective systems. However, a comprehensive overview of existing attack vectors and a directive discussion of resulting research opportunities are missing. Employing a structured literature review, we extract and...journal article 2023
- document
-
Blanco, Adrian Fuertes (author), Shi, Z. (author), Roy, Debraj (author), Zhao, Zhiming (author)The emergence of blockchain technologies has created the possibility of transforming business processes in the form of immutable agreements called smart contracts. Smart contracts suffer from a major limitation; they cannot authenticate the trustworthiness of real-world data sources, creating the need for intermediaries called oracles....conference paper 2023
- document
-
Esgin, Muhammed F. (author), Ersoy, O. (author), Kuchta, Veronika (author), Loss, Julian (author), Sakzad, Amin (author), Steinfeld, Ron (author), Yang, Xiangwen (author), Zhao, Raymond K. (author)In this work, we study the blockchain leader election problem. The purpose of such protocols is to elect a leader who decides on the next block to be appended to the blockchain, for each block proposal round. Solutions to this problem are vital for the security of blockchain systems. We introduce an efficient blockchain leader election method...conference paper 2023
- document
-
Akkaoui, R. (author), Stefanov, Alexandru (author), Palensky, P. (author), Epema, D.H.J. (author)The solar industry in residential areas has been witnessing an astonishing growth worldwide. At the heart of this transformation, affecting the edge of the electricity grid, reside smart inverters (SIs). These IoT-enabled devices aim to introduce a certain degree of intelligence to conventional inverters by integrating various grid support...journal article 2023
- document
-
Nasrulin, B. (author), Ishmaev, G. (author), Decouchant, Jérémie (author), Pouwelse, J.A. (author)Manipulation of user transactions by miners in permissionless blockchain systems is a growing concern. This problem is a pervasive and systemic issue that incurs high costs for users of decentralised applications and is known as Miner Extractable Value (MEV). Furthermore, transaction manipulations create other issues such as congestion,...conference paper 2023
- document
-
Grishkov, I. (author), Kromes, R.G. (author), Giannetsos, Thanassis (author), Liang, K. (author)This paper offers a prototype of a Hyperledger Fabric-IPFS based network architecture including a smart contract based encryption scheme that meant to improve the security of user’s data that is being uploaded to the distributed ledger. A new extension to the self-encryption scheme was deployed by integrating data owner’s identity into the...conference paper 2023
- document
-
Rukanova, B.D. (author), van Engelenburg, S.H. (author), Ubacht, J. (author), Tan, Y. (author), Geurts, Marco (author), Sies, Maarten (author), Molenhuis, Marcel (author), Slegt, Micha (author), van Dijk, Dennis (author)Public value creation is traditionally considered as the citizens' collective expectations with respect to government and public services. Recent e-government literature indicates that what exactly constitutes public value in digital government is still debated. Whereas previous research acknowledges aspects such as co-production and the...journal article 2023
- document
-
Gordijn, Daan (author), Kromes, R.G. (author), Giannetsos, Thanassis (author), Liang, K. (author)This work aims to provide a more secure access control in Hyperledger Fabric blockchain by combining multiple ID’s, attributes, and policies with the components that regulate access control. The access control system currently used by Hyperledger Fabric is first completely analyzed. Next, a new implementation is proposed that builds upon the...conference paper 2023
- document
-
van Duin, Ron (author), Dharmasastha, Suraj (author), Piest, Sebastian (author)The application of blockchain has great potential in the logistics industry, especially in because transportation involves multiple actors and a considerable numbers of transactions. This paper presents the results and findings of case study research at XL Businesspark as part of the STEERS project and adds 6 use cases for blockchain technology...book chapter 2022
- document
-
Kofos, A. (author), Ubacht, J. (author), Rukanova, B.D. (author), Korevaar, G. (author), Kouwenhoven, Norbert (author), Tan, Y. (author)Sustainability is high on the agendas of public and private organizations. Governments are setting targets for reducing the use of virgin raw materials in products and to eliminate waste. To accelerate the transition towards a Circular Economy (CE) policymakers are launching instruments. However, policy instruments, such as financial incentives...journal article 2022
- document
-
Luthra, Sunil (author), Janssen, M.F.W.H.A. (author), Rana, Nripendra P. (author), Yadav, Gunjan (author), Dwivedi, Yogesh K. (author)Purpose: Blockchain technology (BCT) can be used for a wide variety of applications across domains and can bring many benefits. BCT-based applications can be beneficial for the government as well as businesses. Despite the many promises, BCT implementation lags behind. The purpose of this research is to identify a roadmap of critical...journal article 2022
- document
-
Aliyu, Ibrahim (author), van Engelenburg, S.H. (author), Mu'azu, Muhammed Bashir (author), Kim, Jinsul (author), Lim, Chang Gyoon (author)The internet-of-Vehicle (IoV) can facilitate seamless connectivity between connected vehicles (CV), autonomous vehicles (AV), and other IoV entities. Intrusion Detection Systems (IDSs) for IoV networks can rely on machine learning (ML) to protect the in-vehicle network from cyber-attacks. Blockchain-based Federated Forests (BFFs) could be...journal article 2022
- document
-
de Vos, M.A. (author), Ishmaev, G. (author), Pouwelse, J.A. (author)The landscape of electronic marketplaces has been monopolized by a handful of market operators that have accumulated tremendous power during the last decades. This trend raises concerns about fairness and market manipulation by these operators acting as gatekeepers. These concerns have recently been outlined in the EU Digital Markets Act (DMA...journal article 2022
- document
-
Marijan, Dusica (author), Lal, C. (author)As blockchain technology is gaining popularity in industry and society, solutions for Verification and Validation (V&V) of blockchain-based software applications (BC-Apps) have started gaining equal attention. To ensure that BC-Apps are properly developed before deployment, it is paramount to apply systematic V&V to verify their...review 2022
- document
-
Madhwal, Yash (author), Borbon-Galvez, Yari (author), Etemadi, N. (author), Yanovich, Yury (author), Creazza, Alessandro (author)The growth of the enterprise blockchain research supporting supply chain management calls for investigations of their impact and mindfulness of their design, use cases, and pilots. With a blockchain design for the Proof of Delivery (PoD) process management, this paper contributes to learning about performance measurement and the transaction...journal article 2022
- document
-
Smart contracts in energy systems: A systematic review of fundamental approaches and implementationsKirli, Desen (author), Couraud, Benoit (author), Robu, Valentin (author), Salgado-Bravo, Marcelo (author), Norbu, Sonam (author), Andoni, Merlinda (author), Antonopoulos, Ioannis (author), Negrete-Pincetic, Matias (author), Flynn, David (author), Kiprakis, Aristides (author)Given the ongoing transition towards a more decentralised and adaptive energy system, the potential of blockchain-enabled smart contracts for the energy sector is being increasingly recognised. Due to their self-executing, customisable and tamper-proof nature, they are seen as a key technology for enabling the transition to a more efficient,...review 2022