Results 81 to 90 of about 38,368 (257)
Incentives in Ethereum's hybrid Casper protocol [PDF]
International Journal of Network Management, 2019 SummaryWe present an overview of hybrid Casper the Friendly Finality Gadget (FFG), a proof‐of‐stake checkpointing protocol overlaid onto Ethereum's proof‐of‐work blockchain. We describe its core functionalities and reward scheme and explore its properties.
Vitalik Buterin +3 more
openaire +2 more sources
ROS-Ethereum: A Convenient Tool to Bridge ROS and Blockchain (Ethereum)
Security and Communication Networks, 2022 Robot Operating System (ROS) has received widespread utilization with the development of robotics, self-driving, etc., recently. Meanwhile, the other technology blockchain is frequently applied to various fields with its trustworthy characteristics and immutability in data storage.
Shenhui Zhang +7 more
openaire +2 more sources
A Semantic Framework for the Security Analysis of Ethereum smart contracts
, 2018 Smart contracts are programs running on cryptocurrency (e.g., Ethereum) blockchains, whose popularity stem from the possibility to perform financial transactions, such as payments and auctions, in a distributed environment without need for any trusted ...
A Biryukov +6 more
core +2 more sources
Journal 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
Situating African FinTech in Global Financial Networks
Transactions of the Institute of British Geographers, Volume 51, Issue 2, June 2026.Short Abstract This paper explores the geographical patterns of firm creation and investments in African FinTech and how they have evolved since the emergence of FinTech on the continent. Our findings show waves of investment, specialisation of different FinTech centres and the networks of FinTech capital.
Julien Migozzi, Dariusz Wójcik
wiley +1 more source
Health Science Reports, Volume 9, Issue 5, May 2026.ABSTRACT Background and Aims Rising quantum hazards and flaws in conventional encryption make cloud‐based healthcare data security harder. Quantum‐Secure HealthChain, a new architecture using blockchain and quantum computing, improves medical data security, patient privacy, and data fidelity. Methods To prevent quantum attacks, the proposed system uses
Rajesh Bose +6 more
wiley +1 more source
A Blockchain‐Less Traceability System for Agriculture Using DAG, IPFS, and Serverless Deployments
International Journal of Network Management, Volume 36, Issue 3, May/June 2026.ABSTRACT Ensuring transparency and integrity in agricultural data management is a critical challenge as the sector increasingly relies on advanced technologies. The primary problem is maintaining data traceability and security throughout the supply chain.
Antonio Villafranca +6 more
wiley +1 more source
Forecasting Ethereum’s volatility: an expansive approach using HAR models and structural breaks
Cogent Economics & FinanceCryptocurrencies have become a popular investment option and the Ethereum has become a mainstream cryptocurrency because of the additional functionality that can be accomplished with the backing of the powerful Ethereum network compared to Bitcoin.
Ruijie Chen
doaj +1 more source
An Analysis of Smart Contracts Security Threats Alongside Existing Solutions
Entropy, 2020 Smart contracts have gained a lot of popularity in recent times as they are a very powerful tool for the development of decentralised and automatic applications in many fields without the need for intermediaries or trusted third parties.
Antonio López Vivar +3 more
doaj +1 more source
On the Feasibility of Decentralized Derivatives Markets
, 2017 In this paper, we present Velocity, a decentralized market deployed on Ethereum for trading a custom type of derivative option. To enable the smart contract to work, we also implement a price fetching tool called PriceGeth.
Adham, Moe +3 more
core +1 more source