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Related papers: A Study of Blockchain Oracles

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The adoption of Information Communication Technologies (ICT) and Web 3.0 contributes to the e-government sector by transforming how public administrations provide advanced and innovative services to interact with citizens. Blockchain (BC)…

Computers and Society · Computer Science 2019-10-15 Sofia Terzi , Konstantinos Votis , Dimitrios Tzovaras , Ioannis Stamelos , Kelly Cooper

The communication between ground and satellites is tough due to long distances and interferences in the propagation medium. Using the blockchain technology and a series of ground nodes, information can be distributed in a secure and…

Cryptography and Security · Computer Science 2020-01-03 Sergio Martinez-Losa del Rincon , Esteban Damian Gutierrez Mlot

Recommender systems have been widely used in different application domains including energy-preservation, e-commerce, healthcare, social media, etc. Such applications require the analysis and mining of massive amounts of various types of…

The applications of the blockchain technology are still being discov-ered. When a new potential disruptive technology emerges, there is a tendency to try to solve every problem with that technology. However, it is still necessary to…

Computers and Society · Computer Science 2021-03-16 Bruno Tavares , Filipe Figueiredo Correia , André Restivo , João Pascoal Faria , Ademar Aguiar

The trade-off of secrecy is the difficulty of verification. This trade-off means that contracts must be kept private, yet their compliance needs to be verified, which we call the secrecy-verifiability paradox. However, the existing smart…

Cryptography and Security · Computer Science 2022-12-06 Ha-Thanh Nguyen

Blockchain is an emerging digital technology allowing ubiquitous financial transactions among distributed untrusted parties, without the need of intermediaries such as banks. This article examines the impact of blockchain technology in…

Computers and Society · Computer Science 2019-08-21 Andreas Kamilaris , Agusti Fonts , Francesc X. Prenafeta-Boldu

Blockchain systems and smart contracts provide ways to securely implement multi-party transactions without the use of trusted intermediaries, which currently underpin many commercial transactions. However, they do so by transferring trust…

Logic in Computer Science · Computer Science 2018-11-16 Ron van der Meyden

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

A donation-tracking system leveraging smart contracts and blockchain technology holds transformative potential for reshaping the landscape of charitable giving, especially within the context of Web 3.0. This paper explores how smart…

Cryptography and Security · Computer Science 2024-10-11 Chaimaa Nairi , Murtaza Cicioglu , Ali Calhan

In recent years, blockchain technology has been recognized as a transformative innovation in the tech world, and it has quickly become the core infrastructure of digital currencies such as Bitcoin and an important tool in various…

Cryptography and Security · Computer Science 2025-01-22 Mohsen Ghorbian , Mostafa Ghobaei-Arani

Distributed immutable ledgers, or blockchains, allow the secure digitization of evidential transactions without relying on a trusted third-party. Evidential transactions involve the exchange of any form of physical evidence, such as money,…

Cryptography and Security · Computer Science 2024-03-26 Zaynah Dargaye , Önder Gürcan , Florent Kirchner , Sara Tucci-Piergiovanni

Society is in constant transition to keep up with technological advancement, we are seeing traditional paradigms being increasingly challenged. The fundamentals of governance are one such paradigm. As society's values have shifted, so have…

Cryptography and Security · Computer Science 2018-05-16 Freya Sheer Hardwick , Raja Naeem Akram , Konstantinos Markantonakis

Blockchain technology has recently gained widespread attention by media, businesses, public sector agencies, and various international organizations, and it is being regarded as potentially even more disruptive than the Internet. Despite…

Computers and Society · Computer Science 2018-06-12 Karim Sultan , Umar Ruhi , Rubina Lakhani

A key component of blockchain technology is the ledger, viz., a database that, unlike standard databases, keeps in memory the complete history of past transactions as in a notarial archive for the benefit of any future test. In…

Cryptography and Security · Computer Science 2021-10-01 Paolo Bottoni , Anna Labella , Remo Pareschi

Blockchain interoperability is a prominent research field which aims to build bridges between otherwise isolated blockchains. With advances in cryptography, novel protocols are published by academia and applied in different applications and…

Cryptography and Security · Computer Science 2021-02-01 Thomas Eizinger , Philipp Hoenisch , Lucas Soriano del Pino

Blockchain enables a digital society where people can contribute, collaborate, and transact without having to second-guess trust and transparency. It is the technology behind the success of Bitcoin, Ethereum, and many disruptive…

Cryptography and Security · Computer Science 2022-05-04 Duc A. Tran , Bhaskar Krishnamachari

This paper reports on the development and evaluation of a prototype blockchain solution for private and secure individual omics health data management and sharing. This solution is one output of a multidisciplinary project investigating the…

This paper describes the deployment and implementation of a blockchain to improve the security, knowledge, intelligence and collaboration during the inter-agent communication processes in restrict domains of the Internet Infrastructure. It…

Artificial Intelligence · Computer Science 2018-08-10 Juliao Braga , Joao Nuno Silva , Patricia Takako Endo , Jessica Ribas , Nizam Omar

Blockchain eliminates the need for trusted third-party intermediaries in business by enabling decentralised architecture design in software applications. However, the vulnerabilities in on-chain autonomous decision-makings and cumbersome…

Software Engineering · Computer Science 2022-06-03 Yue Liu , Qinghua Lu , Guangsheng Yu , Hye-Young Paik , Liming Zhu

Technology has been playing a major role in our lives. One definition for technology is all the knowledge, products, processes, tools,methods and systems employed in the creation of goods or in providing services.This makes technological…

Computers and Society · Computer Science 2019-01-24 M. M. Eljazzar , M. A. Amr , S. S. Kassem , M. Ezzat