Top Research Papers on Blockchain

BlockchainDB is presented, which leverages blockchains as a storage layer and introduces a database layer on top that extends blockchains by classical data management techniques as well as a standardized query interface to facilitate the adoption of blockchains for data sharing use cases.

The concept of blockchain as a protocol for transmitting information in a secure way is introduced, distinguishing two possible approaches: the decentralized public approach and the centralized private approach.

This demo presents BlockchainDB, which leverages blockchains as storage layer and introduces a database layer on top that extends blockchains by classical data management techniques (e.g., sharding), which can improve the performance and scalability of blockchains for data sharing.

BBBlockchain proposes a blockchain-based participation platform, which is able to address all layers of participation and exploit the immutable nature of blockchains and effectively offer a platform that excludes monopolistic control over information.

Why musicians engaged with blockchain technology, specifically by selling their music as NFTs, and how they perceive this affected their income, work practices and business models are explored.

A blockchain-based system called BloodChain is proposed, an improved system to support blood information management, providing more detailed information about blood, such as blood consumption and disposal, and a proposed system based on the architecture of Hyperledger Fabric.

The authors discuss the advantages and disadvantages of blockchain technology using examples from the insurance sector, which can be generalized and applied to other sectors.

This research identifies a number of common characteristics in the BaaS offerings related to the use of service types, distributed ledger technology (DLT) systems, consensus mechanisms, and pricing models and provides a taxonomy that provides guidance for researchers and practitioners alike interested in BAAS.

This paper presents BookChain, a traceable and efficient blockchain-based innercampus book sharing system that stores the complete sharing data of an interested book permanently on blockchain, such that every reader can trace the borrowing history, which reduces the potential for loss of book.

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Most of the suggested benefits of blockchain technologies do not come from elements unique to the blockchain.

The paper presents the principles on which blockchain is based and analyzes the possibilities of the application of blockchain technology in more detail to conclude that blockchain technology has great potential in automating and optimizing business processes and protecting the information and privacy of users.

It is argued that blockchain is a productive force, even if it does not solve the problem of trust, and sometimes regardless of blockchain technology not implemented after all.

This simplified guide on blockchain will help you to know everything you need to know about this topic and be ready use that information for future applications and investments.

This paper investigates objectively concrete factors which provide indication in regard to whether Blockchain is dead and individually demonstrate metrics that indicate the respective measures’ healthy activity and come to the conclusion that the collective statement ‘Blockchain is dead’ does not hold.

Information and resources regarding this new technology are available on the Delaware Public Library shelves in the following area: 005.74.

This work defines two basic compositional operations between blockchains, serial and triangular compositions, and uses these operations as building blocks to construct general overlay blockchains that can yield all possible tradeoffs of safety and liveness for an overlay blockchain built on arbitrary number of underlay chains.

A systematic definition of blockchain technology is derived, based on a formal concept analysis, and an overview of the state of the art in blockchain technology elaborated by means of Grounded-Theory is flesh out.

Reports on the blockchain phenomena - what it is, how it is used, and prospects for blockchain use in the future are reported on.

This chapter will address the outstanding issues around the fair attribution of costs and benefits of data sharing in the rail industry by proposing blockchains as a forth enabler of the rail data revolution, alongside ESB, ontology, and open data.

Este artigo tem o objetivo de investigar o que é a tecnologia blockchain, demonstrar sua história e, principalmente, as possíveis aplicações desta tecnologia relativamente nova em diversas áreas, explicando sua relevância no universo digital e na segurança do conectado século XXI. A pesquisa é de caráter bibliográfico e discorre, inicialmente, sobre a metodologia da pesquisa e em seguida, trata das teorias envolvendo essa tecnologia apresentando brevemente sua história, a forma de seu funcionamento e sua relação com o Bitcoin. No entanto, o foco principal do artigo é a tecnologia blockchain e ...

Der Artikel präsentierte eine Möglichkeit das heutzutage zentral angewandte Machine Learning zum Zweck einer autonomen Fahrweise auf eine Vielzahl an Endgeräten lokal zu verteilen. Zugleich wurden die Herausforderungen des Datenschutzes in Bezug auf personenbezogene Daten im digitalen Wandel der Automobilindustrie unter Einhaltung der EU-DSGVO näher betrachtet. Als Kommunikationsverifizierung zur Sicherung des Modellaustausches eignete sich ein eigens optimiertes Blockchain Framework. Der Nutzen der Kombination der beiden Technologien wurde anhand eines praktischen Anwendungsfalls herausgestel...

This writing survey has started by gathering an example of principally peer-inspected sources, and additionally an educational diagram of articles from different channels to give an agent perspective of three essential points.

No contexto do combate ao crime, instituições governamentais de vários países instituíram unidades ou setores especializados para atuar em diferentes áreas e expertises como, por exemplo, em atividades de investigação e inteligência. Entretanto, por atuarem em um cenário voltado a atividades restritas, ou que muitas vezes envolvem informações ou ativos sigilosos, surge a necessidade de adoção de soluções alternativas voltadas à gestão, armazenamento e/ou compartilhamento de ativos digitais com a preocupação em segurança da informação. Sendo uma das tecnologias que vem ganhando cada vez mais es...

The results show blockchain technology to solve weaknesses in the field of online education based on Merdeka Campus, namely the issuance of certificates as evidence of student learning outcomes in the form of a formal digital certificate in decentralized E-Learning and insecurity in storage for verification using the Ethereum blockchain.

An application area has been proposed that can be used to create a huge database of the citizens of the country and facilitate them with ease of access to their personal data and will open new ways of data analysis at a nationwide scale.

The aim is to advance security by offering a blockchain-based secure communications solution that combines asymmetric key algorithms, hash functions, and digital signatures, which ensure the process’s integrity.

Esta resenha trata do livro A expansão social do blockchain, organizado pela Profa. Dra. Lucia Santaella a partir dos trabalhos do grupo de pesquisa Sociotramas, por ela coordenado. O livro apresenta um total de onze artigos que abordam a tecnologia blockchain a partir de diferentes aspectos, das criptomoedas ao combate às fake news, passando por meios de pagamento, integridade de dados pessoais e educação. Uma publicação de valor inestimável para aqueles que buscam conhecer os meandros desta tecnologia denominada blockchain.

This Element provides a critical examination of the core themes, theoretical lenses, and methodologies used in blockchain research in business and management scholarship, providing profound implications for three major issues of strategic organization: contracting, trust, and organizational design.

The authors discuss the framework that can be used by the organizations to develop a new form of the internal network and the means and norms for digital money transfer and generation of end-to-end encrypted code for the sake of high-end security.

This chapter is an exploratory study considering blockchain as a resource of competitive advantage for ODL system and its implications for professionals, policymakers, researchers, governments, and regulators.

The authors contend that staff needs to feel like their issues are addressed in a safe and transparent way and areas of conflict are confronted by their leaders and managers need to do their job as mediators to orchestrate change for the welfare of the organization.

This work states that “Decentralization” or “trustlessness” are presented as ultimate values that must be strived towards – even if their implementation leads to commercially undesirable results and may hinder the widespread adoption of blockchain technologies.

The integration of two technologies going hand-in-hand can make IoT objects more reliable and secure in the network and ease business processes and enhance transparency for improved customer experiences.

This case study presents the RBB, a public-permissioned network focused on government applications and public interest in general, in an early stage of development, with its main characteristics, challenges, and future perspectives.

The proposed blockchain oracle framework addresses the origin of data, oracle properties, encryption method, oracles data source, validation procedures, and the integration of oracles to blockchain-based applications.

An overview of the different types of blockchain and possible appliances for this technology is provided and the results of comparison of public and private blockchains on access, speed, security and identification are presented.

While Bitcoin was the headliner of the white paper, it was not the technology that enabled the peer-to-peer, electronic, cash system to work and so, in early 2009, Bitcoin was released as a public domain piece of software.

This article presents an architecture for a blockchain bridge that connects two infrastructures, each utilizing different blockchain implementations and distinct security and authentication solutions, highlighting its innovative contribution to the field.

An innovative component-based framework for exchanging information across arbitrary blockchain system called interactive multiple blockchain architecture is proposed, which proposes the inter-blockchain connection model for routing management and messages transferring.

Blockchain embodies this tech duality and concomitantly stores within it the key to self-determination, sovereign identity, and community empowerment while divergently acting as an instrument for oppression.

This chapter starts with the working of blockchain and smart contracts and advantages and disadvantages of blockchain and smart contracts and then goes on to explain how blockchain can be integrated into the internet of things (IOT).

This study proposes a blockchain oracle interoperability technique designed specifically for permissioned blockchain platforms and presented the architecture of the blockchain oracle interoperability technique and a prototypical implementation to demonstrate the practicality of the proposed technique.

This paper addresses a modeling approach to describe blockchain concerns and application concerns in blockchain applications using the meta-model of the functional, static, and dynamic views for blockchain applications.

This study investigates the growing practice of employing blockchain technology as a service and its potential uses across various sectors, and explores the different blockchains such as Ethereum, Cardano, Tron, Polygone, Avanache and other Consensus Mechanism based blockchains.

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The purpose of this article is to propose a concept for the Indonesia's National Blockchain concept which fit to be implemented in Indonesia called IDN at-Blockchain which is derived into three blockchain; (1) IDGov-blockchain, (2) IDVII-Block chain, and (3) IDPub-Blockchains.

This work presents pros and cons of blockchain technology, by taking the point of view of IT professionals evaluating whether to embrace this technology or not for their business.

A new protocol using the technology is described that makes it possible to confirm that contractor consent has been obtained and to archive the contractual document in the blockchain.

This research aimed to identify and investigate the most important issues with blockchain and blockchain-related technology which are potentially slowing down its adoption.