Results 61 to 70 of about 16,512 (213)

Food Quality Monitoring System Based on Smart Contracts and Evaluation Models

open access: yesIEEE Access, 2020
Currently, food quality has become a major concern for the food industry. To efficiently detect food quality problems during the production process, food enterprises must build quality monitoring systems.
Bin Yu   +4 more
doaj   +1 more source

Developing Predictive and Explainable Models for Cryptocurrency Delistings: A Case Study of Binance Exchange

open access: yesAsia-Pacific Journal of Financial Studies, EarlyView.
Abstract This study develops an explainable machine learning model to predict cryptocurrency delistings using Binance data. It combines quantitative indicators (price, volume) with qualitative data from real‐time news and Reddit. Latent Dirichlet Allocation (LDA) is used to extract topic trends and community reactions, which are transformed into time ...
Sungju Yang, Hunyeong Kwon
wiley   +1 more source

Volatility ≠ Risk: When Timing Alpha in Crypto Markets Reflects Mispricing

open access: yesFinancial Review, EarlyView.
ABSTRACT Volatility timing in cryptocurrency markets generates significant alpha, but only during periods of loose monetary policy and high uncertainty. Analyzing S&P crypto indices (2017–2023) dominated by large‐cap assets, we show realized volatility can reflect noise‐driven speculative flows, not risk compensation. This effect is strongest for small‐
Arben Kita, Yue Zhang
wiley   +1 more source

Make Social Media Social Again: How Platform Interoperability Can Fix Social Media and Future‐Proof Democracy

open access: yesJournal of Management Studies, EarlyView.
Abstract This essay argues that social media document (rather than fuel) the decline of political democracy while helping revive organizational democracy, including through ‘decentralized autonomous organizations’ (DAOs). Yet, despite giving everyone a voice and the ability to organize across borders, social media could over‐concentrate power if, in ...
J.P. Vergne
wiley   +1 more source

Application of Ethereum Smart Contracts in Purpose of Generating New Cryptocurrencies [PDF]

open access: yes, 2018
As Bitcoin2019;s popularity increases so does the familiarity with cryptocurrencies in general. Ethereum is one of the most popular platforms in the cryptocurrency world.
Jovan Toroman
core  

An Improved Secure Blockchain‐Based Remote Patient Monitoring System With Role‐Based Access Control Using IPFS

open access: yesConcurrency and Computation: Practice and Experience, Volume 38, Issue 19, October 2026.
ABSTRACTThis work presents a privacy‐preserving remote healthcare system that integrates blockchain technology with a root seed‐based pseudonymization mechanism and lightweight cryptographic controls. Addressing the privacy risks of public ledgers and the limited computational resources of medical IoT devices, the proposed system focuses strictly on ...
Hoc Minh Le, Özgür Öksüz
wiley   +1 more source

Ethereum y las finanzas descentralizadas [PDF]

open access: yes, 2023
"Ethereum has taken what was a four-function calculator of a programming language in Bitcoin and turned it into a full-fledged computer" (Fred Ehrsam, n.d.). Ethereum is the second largest market capitalization cryptocurrency behind only Bitcoin; however,
Girón, Lawrence, Lawrence Girón
core   +1 more source

Decentralized Application on Ethereum Blockchain

open access: yes, 2023
Bakalářská práce se zabývá možností využití blokchainové technologie pro řešení konkrétního problému, v podobě decentralizované aplikace na Ethereum blockchainu s funkcí systému pro online správu prodeje vstupenek.
Lovecký, Petr
core   +2 more sources

Beyond Content Digitization: A Smart Contract‐Based Solution for Ownership and Motivation in Online Learning (Course‐Chain)

open access: yesJournal of Computer Assisted Learning, Volume 42, Issue 5, October 2026.
ABSTRACT Introduction With the advancement of the digital age, traditional face‐to‐face education and training programs have been increasingly replaced by online courses, which consist of live digital lectures and pre‐recorded video content. However, although online course platforms have succeeded in digitizing the essential requirements of traditional
Süleyman Can Tuğcu   +2 more
wiley   +1 more source

Secure Tweet: Blockchain-Based Social Media Using Web 3.0 [PDF]

open access: yesITM Web of Conferences
Blockchain is a technology that offers novel solutions to the distributed environment. The proposed project develops an IPFS data storage system through blockchain technology to decrease social media’s reliance on central systems Smart contracts like ...
Chaitanya A. Krishna   +3 more
doaj   +1 more source

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