This study aims to develop a mobile time-banking system on blockchain (MTBB), which can track service transaction records for community elderly care via mutual service exchange. The MTBB was developed to enable organizations, either corporate-social-responsibility organizations or nonprofit organizations to issue proprietary time tokens to members who participate in the organizations' volunteer activities. Database applications with smartphone apps integrated with MultiChain blockchain technology were developed. Metadata with the service transaction information are stored in the MultiChain blocks so that the transaction records are immutable and can be analyzed in the future. Cahn's time-banking guidelines were applied in developing this MTBB with MultiChain blockchain technology integrated for tracking service transaction records. The study also combines one-to-one mutual service exchange with organizations which offer volunteer activities and issue proprietary time tokens. With the blockchain transaction tracking mechanism, all elderly care service records via or within organizations can be tracked and analyzed to show their alignment with some of the Sustainable Development Goals of the United Nations.
Abstract Blockchain technology is generating interest in novel applicative fields such as co-production of public services. Our CommonsHood project is a “wallet app” that uses the Blockchain as a tool to support sustainability of the local economy. Its tokenization mechanism allows everyone to create new types of cryptographic tokens on the Blockchain in order to digitalize assets, augment the availability of local liquidity, and incentivize cooperative socio-economic interactions. This article analyzes a concrete application of CommonsHood for innovating local development policies and service co-production in the tourism sector. We examine this application using Linders’s analytical framework for information and communications technology (ICT)-enabled co-production of services (2012). We show the advantages our project brings for local policies on tourism development, and we discuss the benefits and costs of using the Blockchain in that context. We argue that the observed case study covers different types of digitally enabled co-production of services, and that it can be defined as a case of Governance as a Platform. We also argue that well-established analytical frameworks for ICT-enabled co-production of services need to be expanded in order to account for the new affordances enabled by the Blockchain technology, namely the creation and transaction of digital values, which represent a paradigm change in how we understand the Internet and digital co-production.
L. Grassi, Davide Lanfranchi, Alessandro Faes, Filippo Renga
Purpose Decentralized finance (DeFi), enabled by blockchain, could bring about a new financial system, where peers will interact directly, with little or no place for traditional intermediation. However, some crucial tasks cannot be left solely to an algorithm and, consequently, most DeFi applications still require human decisions. The aim of this research is to assess the role of intermediation in the light of DeFi, analysing how humans and algorithms will interact. Design/methodology/approach The authors based their work on a twofold qualitative methodology, first analysing publicly available secondary data, particularly from white papers and DeFi Pulse (a website providing data on DeFi solutions) and then running two focus group discussions. Findings DeFi does not eliminate financial intermediation, but enables it to be performed in new ways, where decentralization means that no single entity can hold too much power or monopoly. DeFi has, however, inherited risks from the underlying technologies that unintentionally facilitate illegal behaviour and can hamper the authorities’ supervision. The complex duality algorithm- vs human-based actions will not be solved indisputably in favour of the former, as DeFi solutions can range from requiring algorithms to play a dominant role, to enabling greater human interaction by actively involving more people. Originality/value This research contributes to the emerging debate between algorithm- and human-based intermediation, especially in relation to the standing literature on financial intermediation, where considerations made in the light of the newest theories on blockchain and DeFi are still scarce.
Luona Song, Yiqing Luo, Zixi Chang, Chunhua Jin · 5 authors
Within the context of the rise of the Internet of Things, blockchain, and other new technologies, telecommunications operators are committed to applying technologies to promote business transformation and upgrading. The government also actively applies technologies to traditional fields to promote social progress. In agriculture, the agricultural supply chain has a low information level and low degree of digitization. The application of blockchain technology in agriculture offers exceptional advantages because of its decentralization, openness, and transparency. Based on the application of blockchain in an agricultural scenario, an evolutionary game model made up of governments, telecom operators, and agricultural enterprises was established to analyze the model’s equilibrium stability and evolutionary stable strategy. Then, numerical simulation was carried out to study the influence of the initial green level, equipment deployment cost, technology operation cost, and other core factors on the tripartite evolution behaviour. The results show that each factor influences the behaviour of a third party in different ways. Finally, according to the simulation results, this paper puts forward practical suggestions, explores the long-term impact of the application cost and sustainable income of blockchain technology on cooperation, and provides new ideas for the governance of China’s traditional fields from the perspective of new technology application.
The shared mobility concept is seen as disruptive and transformative for the automotive industry. Shared mobility is changing the way we choose our travel mode, from just owning a car to e-hailing, car-sharing, and other relevant mobility solutions. There is a growing interest of car manufacturers (original equipment manufacturers or OEMs) in car-sharing as an expansion strategy. Similarly, blockchain technology is seen as another disruptive technology, which can potentially change how the data is stored and accessible via its immutable, transparent, and trustworthy features. Motivated by these two current trends, this paper aims to explore how blockchain and IoT technologies together can drive shared mobility forward. We have presented a high-level architecture for a blockchain-IoT-based platform for promoting shared mobility combining car-sharing and car-leasing. We also demonstrated a prototype implemented from the OEM’s point of view by developing a blockchain-IoT-based platform streamlining car-sharing and leasing processes by taking into consideration of primary stakeholders (such as OEMs, a peer-to-peer car-sharing provider, leasing company and insurance provider as well as public authorities). This work also demonstrates that the design of such an integrated platform depends on the right balance between the key design principles (such as security and privacy, authenticity, traceability and reliability, scalability, and interoperability) in the context of car-sharing platforms.
This article explores the potential of blockchain technology to enhance podcast content marketing. In the post-pandemic era, more and more enterprises are using podcasts for content marketing. However, the rapid growth of the podcast industry has also raised concerns. This study looks at current podcast advertising methods and uses a 10-step process to examine the need for a blockchain platform. With the decentralization, transparency and traceability of the blockchain and five smart contracts, the new distributed podcast platform improves content marketing metrics and reduces transaction costs. It provides enterprises with a more robust podcast platform, as well as more opportunities for niche creators to showcase and optimize the podcast platform as a useful advertising and marketing tool.
Abstract Trust is a key resource in financial transactions. Traditional financial institutions, and novel blockchain‐based decentralized financial (DeFi) services rely on fundamentally different sources of trust and confidence. The former relies on heavy regulation, trusted intermediaries, clear rules (and restrictions) on market competition, and long‐standing informal expectations on what banks and other financial intermediaries are supposed to do or not to do. The latter rely on blockchain technology to provide confidence in the outcome of rules encoded in protocols and smart contracts. Their main promise is to create confidence in the way the blockchain architecture enforces rules, rather than to trust banks, regulators, and markets. In this article, we compare the trust architectures surrounding these two financial systems. We provide a deeper analysis of how proposed regulation in the blockchain space affects the code‐ and confidence‐based architectures which so far have underwrote DeFi. We argue that despite the solid safeguards and guarantees which code can offer, the confidence in DeFi is still very much dependent on more traditional trust‐enhancing mechanisms, such as code governance, and antifraud regulation to address some of the issues which currently plague this domain, and which have no immediate, purely software‐based solutions. What is more, given the risks of bugs or scams in the DeFi space, regulation and trusted intermediaries may need to play a more active role, in order for DeFi to gain the trust of the next generation of users.
Blockchain is an emerging technology that is used to address ownership, centrality, and security issues in different fields. The blockchain technology has converted centralized applications into decentralized and distributed ones. In existing sharing economy applications, there are issues related to low efficiency and high complexity of services. However, blockchain technology can be adopted to overcome these issues by effectively opening up secure information channels of the sharing economy industry and other related parties, encouraging industry integration and improving the ability of sharing economy organizations to readily gain required information. This paper discusses blockchain technology to enhance the development of insurance services by proposing a five-layer decentralized model using Ethereum platform. The Najm for Insurance Services Company in Saudi Arabia was employed in a case study for applying the proposed model to effectively solve the issue of online underwriting, and to securely and efficiently enhance the verification and validation of transactions. The paper concludes with a review of the lessons learned and provides suggestions for blockchain application development process.
Ridesharing entails the sharing of journeys in order to make optimal use of fuel by allowing people to go along the same route to share rides. It allows regular passengers to share trips with others, having the additive benefit of lowering travel costs and reducing traffic congestion. Most current ride choices rely on a centralized authority to enable the system, leaving it vulnerable to faults at a specific point in the system and raising concerns about privacy disclosure to attackers acting both within and outside. Furthermore, they are vulnerable to external threats and fraud, and the payment made by the current ride-sharing service provider is rather costly. As a result, we have proposed the system named EtherRider, based on the Ethereum blockchain technology. EtherRider enables drivers to provide transportation services without the need for a central system. Both the passenger and the driver will know about sharing ride details, secure their travel details, such as pick-up and drop-off locations, arrival/departure times, and secure payment through the ethereum blockchain.With a distributed ledger, drivers and riders could create a more user-driven,value-oriented marketplace.In the context of car-sharing systems, our work also indicates that the design of such an integrated platform is dependent on striking the correct balance between important design concepts (such as security and privacy, authenticity, traceability and reliability, scalability, and interoperability).
Jan 1, 2022·Proceedings of the ... Annual Hawaii International Conference on System Sciences/Proceedings of the Annual Hawaii International Conference on System Sciences
In the last few years, we can observe a constantly increasing interest in systems and applications based on blockchain technology. Undoubtedly, this fact was significantly influenced by the introduction of the smart contracts mechanism that is one of the most popular features of blockchain nowadays and can be used across almost any industry. Smart contracts are programs stored on a blockchain that run when predetermined conditions are met. Since programming smart contracts is not trivial, this paper proposes a service that enables their creation by constructing diagrams from graphical blocks. The diagrams are then transformed into a smart contract code written in the Solidity language. The paper presents the general idea of the proposed service and selected use cases illustrating its application.
Muhammad Shoaib Siddiqui, Toqeer Ali Syed, Adnan Nadeem, Waqas Nawaz · 5 authors
Virtual Tourism (VT) is a booming business with potential perspectives in the entertainment and financial industry. Due to travel restrictions, safety concerns, and expensive travelling the younger generation is showing interest in virtual tourism instead of traditional tourism. However, virtual tourism does not financially benefit the service providers as compared to traditional tourism stakeholders. An online system is essential to provide a central point of access to various tourism sites along with usage, permission, and payment control. In this paper, a secure blockchain-based broker service for users and content providers is proposed, which allows tourism sites to announce their virtual tours and provide accessibility and accountability. Meanwhile, it enables users to register, subscribe, access, and be billed according to their usage. The permission control module ensures authentication and authorization, while the usage control provides accountability to the predefined service level agreement. The transactions are stored on the blockchain to ensure the integrity of data and smart contracts are used to ensure automatic usage and permission control. An implementation on Hyperledger Fabric is provided as a proof of concept with performance measurements as a case study.
Studien syftar till att undersöka hur influencer marketing påverkar konsumenternas attityd och trovärdighet gentemot marknadsförda Non-Fungible Token (NFT) projekt. Begreppet influencer marketing syftar till marknadsföringsstrategin som handlar om att utveckla relationer med influencers som sedan marknadsför en produkt eller varumärke för att påverka sina följare. Strategin används av företag inom olika marknadsområden för att kunna förmedla och rekommendera produkter på ett mer trovärdigt sätt. Många konsumenter upplever att marknadsföring av företag är för kommersiellt vilket leder till mindre trovärdighet. Genom att använda sig av influencers för att marknadsföra produkter, kan detta stärka trovärdigheten och information som förmedlas. Influencer marketing används även för att påverka konsumenter vid köp av NFT som blivit en populär trend att investera i eftersom det är en digital tillgång i form av konst och samlarobjekt. NFT köps online genom kryptovalutor och certifierar sedan en unik digital tillgång till sin ägare. Däremot finns det stora kunskapsluckor inom NFT vilket ställer högre krav på influencers expertis för att kunna få en högre trovärdighet av konsumenter, dessutom är NFT-marknaden volatil då priset korrelerar med Herding behavior och inlägg från sociala medier. Den instabila NFT-marknaden ihop med osäkerheten kring influencers trovärdighet skapar en försämrad effekt av förtroende i två olika led, dels influencer marketing och NFT. Studien baseras på kvalitativa intervjuer med totalt 8 respondenter. Frågorna som formats i intervjuguiden har utgått från det teoretiska ramverket med teorier om influencer marketing, AIDA, Source Credibility, Herding behavior och Electronic word-of-mouth. Teorierna är viktiga faktorer för att förstå och generera kunskap om hur konsumenter påverkas av influencers gällande NFT. Resultatet av studien visar att influencers har en tydlig och allmän stor påverkan på konsumenter. Dock är denna påverkan till en viss gräns och skiljer sig beroende på konsumenters tidigare erfarenheter. Om konsumenter är nya inom NFT har influencers haft en direkt påverkan på köpbeslut, medans för de kunniga konsumenterna, blir påverkan endast till att bli uppmärksamma konsumenterna om NFT-projekt som presenteras. Sedan tas egna analyser och beslut självständigt av konsumenterna. Resultatet visar även att expertis är en vital faktor för att öka influencers trovärdighet, samt att nyansering och perspektiv av NFT-projekt är något som uppskattas av konsumenter.
Cristiano Bellavitis, Christian Fisch, Paul P. Momtaz
Blockchain technology and smart contracts are catalysts for decentralization and disintermediation. These new technologies reduce transaction costs, agency costs, and offer a basis for trustless social and economic interactions. They are fueling new business models for decentralized platforms and have revolutionized crowdfunding. A recent trend, Decentralized Autonomous Organizations (DAOs), stands to fundamentally transform organizing and governance. DAOs are blockchain-native, decentralized organizations that are collectively owned and managed by their members via smart contracts. In this note, we assess the promises and challenges of DAOs, with a focus on decentralized governance and disintermediation, and offer a first empirical glimpse at the rise and functioning of DAOs. Overall, DAOs may introduce a new era in organizational economics, transforming the global corporate landscape from hierarchical organizations to democratic and distributed organizations powered by organizational entrepreneurship and innovations.
Distributed Ledger Technology ("DLT") - the technology underlying cryptocurrencies - has been identified by many as a game-changer for data storage. Although DLT can solve acute problems of trust and coordination whenever entities (e.g., firms, traders, or even countries) rely on a shared database, it has mostly failed to reach mass adoption outside the context of cryptocurrencies. A prime reason for this failure is the extreme state of regulation, which was largely absent for many years but is now pouring down via uncoordinated regulatory initiatives by different countries. Both of these extremes - under-regulation and over-regulation - are consistent with traditional concepts from law and economics. Specifically, whenever DLT implements a "public blockchain" - where there is no screening of who joins the network - both the technology and its regulation constitute what economists call "non-excludable goods". For these types of goods, two classical incentive problems emerge: (i) over-regulation, due to the "tragedy of the commons", and (ii) under-regulation, due to the "free-rider problem". We argue that these problems are best solved using some form of global regulation. Comparing alternative paths to such regulation, including (i) centralized regulation, (ii) decentralized regulation, and (iii) international administrative law, we analyze how global regulation of DLT could be implemented using a mixture of 'on-chain' (embedded in the technology itself), and 'off-chain' measures. Our Article is the first to analyze why global regulation of DLT makes sense from a law and economics perspective and is the first to provide concrete suggestions on how to implement such regulation.
Abstract Since the introduction of Ethereum in 2015, blockchain technology (BT) has been evolving, and BT has been associated with the concept of the sharing economy by business academics. Despite the marketing research on the sharing economy that has been extensively conducted in the last decade, the linkage between BT and ethical marketing in the sharing economy remains unclear. Through a systematic literature review of 163 articles and a co-citation analysis, this study identifies the key elements of blockchain capabilities, blockchain attributes, and the underlying economic theories of blockchain. It also synthesizes and proposes a shift of ethical marketing logic in the blockchain-based sharing economy that delineates the principles of stakeholder capitalism. The article concludes with a list of future research directions that underline three approaches of stakeholder theory (i.e., the descriptive, instrument, and normative approaches). These directions aim to guide marketing scholars concerning how BT enables an institutionally embedded view of ethical marketing activities and practices that enhance collaborative marketing and subsequently innovate value chains and create sustainable business models in the sharing economy, as well as to the metaverse.
Ryan Shivers, Mohammad Ashiqur Rahman, Md Jobair Hossain Faruk, Hossain Shahriar · 6 authors
Ride-hailing and ride-sharing applications have recently gained popularity as a convenient alternative to traditional modes of travel. Current research into autonomous vehicles is accelerating rapidly and will soon become a critical component of a ride-hailing platforms architecture. Implementing an autonomous vehicle ride-hailing platform proves a difficult challenge due to the centralized nature of traditional ride-hailing architectures. In a traditional ride-hailing environment the drivers operate their own personal vehicles so it follows that a fleet of autonomous vehicles would be required for a centralized ride-hailing platform to succeed. Decentralization of the ride-hailing platform would remove a roadblock along the way to an autonomous vehicle ride-hailing platform by allowing owners of autonomous vehicles to add their vehicles to a community-driven fleet when not in use. Blockchain technology is an attractive choice for this decentralized architecture due to its immutability and fault tolerance. This thesis proposes a framework for developing a decentralized ride-hailing architecture that is verifiably secure. This framework is implemented on the Hyperledger Fabric blockchain platform. The evaluation of the implementation is done by applying known security models, utilizing a static analysis tool, and performing a performance analysis under heavy network load.
Comprendre la consommation énergétique des blockchains : un regard sur les contrats intelligents Les systèmes de chaînes de blocs sont des registres répliqués dans un réseau pair à pair. Elles ont connu un développement rapide depuis quelques années en s'illustrant dans de nombreux domaines d'activités. En permettant le traitement et la sauvegarde de données dans un contexte distribué et Byzantin, ces technologies ont le potentiel de modifier de nombreux secteurs. Par exemple, dans le cadre de la finance décentralisée, les cryptomonnaies se développement comme une alternative aux monnaies fiduciaires en proposant un système de paiement dépourvu de tiers de confiance. Cependant, une certaine inquiétude vis-à-vis de l’impact environnemental des chaînes de blocs a émergé en parallèle de leur développement. En particulier, de nombreuses recherches ont démontré le coût énergétique important des chaînes basées sur les preuves de travail. Dans cette thèse, nous proposons de contribuer à l'étude expérimentale du coût énergétique des solutions logicielles basées sur les chaînes de blocs. Face à l'enrichissement progressif de l'écosystème lié aux chaînes de blocs, nous proposons BCTMark, un nouvel outil de déploiement et d'évaluation des performances des chaînes de blocs. Partant de cet outil, nous concentrons notre étude sur l'impact des contrats intelligents sur la chaîne de blocs Ethereum. D'une part, nous proposons un modèle pour l'estimation du coût énergétique des contrats intelligents développé pour Ethereum. D'autre part, nous proposons un nouveau protocole pour l'identification et l'élimination des contrats non utilisés dans le but de proposer des chaînes de blocs plus frugales en calculs et espaces de stockages.
Abstract This study aims to demonstrate that technological innovation in tourism represents a paradigm shift in law and is also changing the competition between tourist destinations. Technological innovation in the tourism sector is increasing the volume of data processing and calls for greater and more consistent (detailed) legal protection to combat dangers to private life, such as exclusion from ‘digital life’. The topics covered by the study include data processing in hospitality contracts, the enrichment of guest profiles, newsletter marketing, guest passes or discount cards in travel package contracts, and the question of whether data processing is necessary for fulfilling smart tourism contracts. The theoretical framework is based on contract and data protection law principles relating to purpose, data avoidance and transparency, the privacy rule by design and by default. The methodological approach is based on a careful balancing and weighing of the legal goods and values, and an assessment of the normative parameters. This research is responding to the need to develop appropriate policies on transformative innovations and is addressing different concerns relating to the adoption and diffusion of technological trends in tourism.
Linchao Zhang, Lei Hang, Wenquan Jin, Do‐Hyeun Kim
The tourism industry can significantly benefit from the blockchain since its implementation can build trust among stakeholders and improve customer satisfaction. However, most of the existing tourism-specified blockchain platforms are single-chains that provide business support for enterprises without guaranteeing transaction information privacy. Besides, these platforms are specified to a single use case and lack interoperability with other platforms to support heterogenous tourism services. This paper aims to address this issue by introducing a multi-chain architecture that utilizes multiple blockchains to enhance processing capability and provide various business services for the tourism industry. The proposed multi-chain architecture improves the interoperability between the activities in different chains by providing functional requirements in practical applications and supports the inter-ledger application. In addition, the private blockchain will be made available to allow users to access the network through central authorization. It also increases the transaction processing capability by distributing multiple tasks across the chains for large-scale applications. To demonstrate the usability and efficiency of the developed approach, a case study on hotel booking is conducted using the blockchain frameworks Winding Tree and Hyperledger Fabric. A comprehensive evaluation experiment is conducted, and the results show the significance of the proposed system.