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The advent of blockchain technology and its adoption across various sectors have raised critical discussions about the need for regulatory mechanisms to ensure consumer protection, maintain financial stability, and address privacy concerns…

Cryptography and Security · Computer Science 2024-07-16 Oshani Seneviratne

This article proposes a self-organizing collaborative computing network with an approach to enhance the expectation of a collaborating node for joining the self-organizing network. The proposed approach relies on Ethereum cryptocurrency and…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-08-28 Abdullah Yousafzai , Choong Seon Hong

The Internet of Things (IoT) is a promising paradigm to accommodate massive device connections in 5G and beyond. To pave the way for future IoT, the spectrum should be planed in advance. Spectrum sharing is a preferable solution for IoT due…

Information Theory · Computer Science 2018-10-11 Lin Zhang , Ying-Chang Liang , Ming Xiao

Blockchains rely on a consensus among participants to achieve decentralization and security. However, reaching consensus in an online, digital world where identities are not tied to physical users is a challenging problem. Proof-of-work…

Cryptography and Security · Computer Science 2020-11-16 Hjalmar Turesson , Henry M. Kim , Marek Laskowski , Alexandra Roatis

Smart contracts have recently been adopted by many security protocols. However, existing studies lack satisfactory theoretical support on how contracts benefit security protocols. This paper aims to give a systematic analysis of smart…

Cryptography and Security · Computer Science 2022-04-21 Rujia Li , Qin Wang , Qi Wang , David Galindo

Inter-provider agreements are central to 6G networks, where administrative domains must securely and dynamically share services. To address the dual need for transparency and confidentiality, we propose a privacy-enabled hybrid blockchain…

Networking and Internet Architecture · Computer Science 2025-05-06 Farhana Javed , Josep Mangues-Bafalluy

This paper presents an architecture of a Personal Information Management System, in which individuals can define the access to their personal data by means of smart contracts. These smart contracts, running on the Ethereum blockchain,…

Cryptography and Security · Computer Science 2021-01-27 Mirko Zichichi , Stefano Ferretti , Gabriele D'Angelo , Víctor Rodríguez-Doncel

The metaverse gradually evolves into a virtual world containing a series of interconnected sub-metaverses. Diverse digital resources, including identities, contents, services, and supporting data, are key components of the sub-metaverse.…

Networking and Internet Architecture · Computer Science 2023-05-09 Han Wang , Hui Li , Abla Smahi , Feng Zhao , Yao Yao , Ching Chuen Chan , Shiyu Wang , Wenyuan Yang , Shuo-Yen Robert Li

Smart contracts are computer programs that can be consistently executed by a network of mutually distrusting nodes, without the arbitration of a trusted authority. Because of their resilience to tampering, smart contracts are appealing in…

Cryptography and Security · Computer Science 2018-06-21 Massimo Bartoletti , Livio Pompianu

Blockchain technologies originate from cryptocurrencies. Thus, most blockchain technologies assume an environment with a fast and stable network. However, in some blockchain-based systems, e.g., supply chain management (SCM) systems, some…

Although almost all information about Smart Contract addresses is shared via websites, emails, or other forms of digital communication, Blockchains and distributed ledger technology are unable to establish secure bindings between websites…

Cryptography and Security · Computer Science 2020-04-30 Ulrich Gallersdörfer , Florian Matthes

Interoperability is a significant challenge in blockchain technology, hindering seamless data and service sharing across diverse blockchain networks. This study introduces Automated Gateways as a novel framework leveraging smart contracts…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-24 Koosha Esmaeilzadeh Khorasani , Sara Rouhani , Rui Pan , Vahid Pourheidari

Machine Learning systems rely on data for training, input and ongoing feedback and validation. Data in the field can come from varied sources, often anonymous or unknown to the ultimate users of the data. Whenever data is sourced and used,…

Computers and Society · Computer Science 2019-04-08 Iain Barclay , Alun Preece , Ian Taylor , Dinesh Verma

In this paper we propose a novel protocol that allows suppliers and grid operators to collect users' aggregate metering data in a secure and privacy-preserving manner. We use secure multiparty computation to ensure privacy protection. In…

Cryptography and Security · Computer Science 2019-03-15 Mustafa A. Mustafa , Sara Cleemput , Abelrahaman Aly , Aysajan Abidin

The 5th generation (5G) of wireless systems is being deployed with the aim to provide many sets of wireless communication services, such as low data rates for a massive amount of devices, broadband, low latency, and industrial wireless…

A large amount of data has been accumulated. with the development of the Internet industry. Many problems have been exposed with data explosion: 1. The contradiction between data privacy and data collaborations; 2. The contradiction between…

Networking and Internet Architecture · Computer Science 2022-11-03 Yunling Shi , Jie Guan , Junfeng Xiao , Huai Zhang , Qiang Guo , Yu Yuan

The real estate market includes complex and inefficient mediation processes. Renting a property envolves multiple entities with different responsibilities and interests. Therefore it is imperative to establish a trustful relationship…

Cryptography and Security · Computer Science 2024-02-09 André S. Proença , Tiago R. Dias , Miguel P. Correia

Blockchain technology (BT) Ethereum Smart Contracts allows programmable transactions that involve the transfer of monetary assets among peers on a BT network independent of a central authorizing agency. Ethereum Smart Contracts are programs…

Cryptography and Security · Computer Science 2021-05-21 Noama Fatima Samreen , Manar H. Alalfi

Open-access blockchains based on proof-of-work protocols have gained tremendous popularity for their capabilities of providing decentralized tamper-proof ledgers and platforms for data-driven autonomous organization. Nevertheless, the…

Cryptography and Security · Computer Science 2019-05-14 Shaohan Feng , Wenbo Wang , Zehui Xiong , Dusit Niyato , Ping Wang , Shaun Shuxun Wang

The hype about Bitcoin has overrated the potential of smart contracts deployed on-blockchains (on-chains) and underrated the potential of smart contracts deployed on-Trusted Third Parties (on-TTPs). As a result, current research and…

Networking and Internet Architecture · Computer Science 2020-10-27 Carlos Molina-Jimenez , Ioannis Sfyrakis , Linmao Song , Hazem Danny Al Nakib , Jon Crowcroft