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Permissioned blockchains have been proposed for a variety of use cases that require decentralization yet address enterprise requirements that permissionless blockchains to date cannot satisfy -- particularly in terms of performance.…

Cryptography and Security · Computer Science 2024-04-05 Orestis Papageorgiou , Lasse Börtzler , Egor Ermolaev , Jyoti Kumari , Johannes Sedlmeir

Skill verification is a central problem in workforce hiring. Companies and academia often face the difficulty of ascertaining the skills of an applicant since the certifications of the skills claimed by a candidate are generally not…

Cryptography and Security · Computer Science 2020-03-26 Jay Gupta , Swaprava Nath

Distributed ledger technology such as blockchain is considered essential for supporting large numbers of micro-transactions in the Machine Economy, which is envisioned to involve billions of connected heterogeneous and decentralized…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-27 Christoffer Fink , Olov Schelén , Ulf Bodin

Blockchain has proven to be an emerging technology in the digital world, changing the way everyone thinks about data security and bringing efficiency to several industries. It has already been applied to a wide range of applications, from…

Cryptography and Security · Computer Science 2023-02-09 Md. Mijanur Rahman , Md Tanzinul Kabir Tonmoy , Saifur Rahman Shihab , Riya Farhana

Limited scalability and transaction costs are, among others, some of the critical issues that hamper a wider adoption of distributed ledger technologies (DLT). That is particularly true for the Ethereum blockchain, which, so far, has been…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-08-17 Simone Bottoni , Anwitaman Datta , Federico Franzoni , Emanuele Ragnoli , Roberto Ripamonti , Christian Rondanini , Gokhan Sagirlar , Alberto Trombetta

Deepfake technology is a major threat to the integrity of digital media. This paper presents a comprehensive framework for a blockchain-based decentralized system designed to tackle the escalating challenge of digital content integrity. The…

Cryptography and Security · Computer Science 2023-12-05 Dipankar Sarkar

The server-less nature of Decentralized Federated Learning (DFL) requires allocating the aggregation role to specific participants in each federated round. Current DFL architectures ensure the trustworthiness of the aggregator node upon…

Machine Learning · Computer Science 2025-12-08 Ehsan Hallaji , Roozbeh Razavi-Far , Mehrdad Saif

As artificial intelligence (AI) systems become increasingly integral to critical infrastructure and global operations, the need for a unified, trustworthy governance framework is more urgent that ever. This paper proposes a novel approach…

Artificial Intelligence · Computer Science 2025-01-17 Vikram Kulothungan

The security of blockchain systems is fundamentally based on the decentralized consensus in which the majority of parties behave honestly, and the content verification process is essential to maintaining the robustness of blockchain…

Cryptography and Security · Computer Science 2025-08-21 Zishuo Zhao , Xi Chen , Yuan Zhou

Blockchain and other forms of distributed ledger technology (DLT) provide an opportunity to integrate digital information, management, and contracts to increase trust and collaboration within the construction industry. DLT enables direct…

Cryptography and Security · Computer Science 2020-04-23 Jens J. Hunhevicz , Daniel M. Hall

The rise of blockchain and Digital Ledger Technology (DLT) has gained wide traction. Instead of relying on a traditional centralized data authority, a blockchain system consists of digitally entangled block data shared across a distributed…

Cryptography and Security · Computer Science 2025-07-21 Feng Yu , Ryan Laird

This paper addresses the issue of blockchain protocol risks, a foundational category of risks affecting Distributed Ledger Technology (DLT) which underpins digital assets, smart contracts, and decentralised applications. It presents a…

Risk Management · Quantitative Finance 2023-10-18 Alex Nathan , Dimosthenis Kaponis , Saul Lustgarten

Decentralized management and coordination of energy systems are emerging trends facilitated by the uptake of the Internet of Things and Blockchain offering new opportunities for more secure, resilient, and efficient energy distribution.…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-01-26 Tudor Cioara , Claudia Pop , Razvan Zanc , Ionut Anghel , Marcel Antal , Ioan Salomie

Blockchain and distributed ledger technologies are gaining the interest of the academy, companies, and institutions. Nonetheless, the path toward blockchain adoption is not straightforward, as blockchain is a complex technology that…

Cryptography and Security · Computer Science 2022-10-27 Vittorio Capocasale , Guido Perboli

There is an ongoing competition among blockchain technologies and the existence of one ultimate blockchain is impossible for many reasons. On the other hand, such variety can create difficulties in adoption, especially for the governments…

Cryptography and Security · Computer Science 2020-07-24 Oleksii Konashevych

Since the inception of blockchain and Bitcoin (Nakamoto (2008)), a decentralized-distributed ledger system and its associated cryptocurrency, respectively, the world has witnessed a slew of newer adaptations and applications. Although the…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-15 Jinwook Lee , Paul Moon Sub Choi

Blockchain is a decentralized, distributed ledger technology that ensures transparency, security, and immutability through cryptographic techniques. However, advancements in quantum computing threaten the security of classical cryptographic…

Cryptography and Security · Computer Science 2026-01-14 Nicholas J. C. Papadopoulos

Decentralization, immutability and transparency make of Blockchain one of the most innovative technology of recent years. This paper presents an overview of solutions based on Blockchain technology for multi-agent robotic systems, and…

Blockchain is a type of decentralized distributed database. Unlike traditional relational database management systems, it does not require management or maintenance by a third party. All data management and update processes are open and…

Cryptography and Security · Computer Science 2025-05-14 Jiaqi Huang , Yuanzheng Niu , Xiaoqi Li , Zongwei Li

Decentralized techniques are becoming crucial and ubiquitous with the rapid advancement of distributed ledger technologies such as the blockchain. Numerous decentralized systems have been developed to address security and privacy issues…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-08-20 Yepeng Ding , Hiroyuki Sato