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LEARNING ENVIRONMENT DESIGN USING ETHEREUM BLOCKCHAIN SMART CONTRACTS [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2019
Subject of Research. The paper considers the process of generating reports in electronic learning systems. The aim is to optimize learning process management in generating reports using blockchain technologies.
Dina V. Zimina, Dmitry I. Mouromtsev
doaj   +1 more source

Architectural scheme of a multi-blockchain in the Agricultural field [PDF]

open access: yesE3S Web of Conferences, 2021
The blockchain represents structured and shared data. Instantly, it is a modern method of distributed databases controlled by a group of individuals. The goal is to store information, create a digital ledger of data, and dispatch them to each network ...
El Mane Adil   +3 more
doaj   +1 more source

EASYFLOW: Keep Ethereum Away From Overflow

open access: yes, 2019
While Ethereum smart contracts enabled a wide range of blockchain applications, they are extremely vulnerable to different forms of security attacks.
Chen, Zhong   +5 more
core   +1 more source

Blockchain privacy and regulatory compliance: Towards a practical equilibrium

open access: yesBlockchain: Research and Applications
We study Privacy Pools, a novel smart contract-based privacy-enhancing protocol. The protocol introduces a mechanism for users to reveal certain properties of their transaction without having to reveal the transaction itself.
Vitalik Buterin   +4 more
doaj   +1 more source

Steganographic Analysis of Blockchains

open access: yesSensors, 2021
Steganography is one of the ways to hide data between parties. Its use can be worrisome, e.g., to hide illegal communications. Researchers found that public blockchains can be an attractive place to hide communications; however, there is not much ...
Alexandre Augusto Giron   +2 more
doaj   +1 more source

Decentralization in Bitcoin and Ethereum Networks

open access: yes, 2018
Blockchain-based cryptocurrencies have demonstrated how to securely implement traditionally centralized systems, such as currencies, in a decentralized fashion.
AE Gencer   +13 more
core   +1 more source

Smart-Contract Aware Ethereum and Client-Fog-Cloud Healthcare System

open access: yesSensors, 2021
The Internet of Medical Things (IoMT) is increasingly being used for healthcare purposes. IoMT enables many sensors to collect patient data from various locations and send it to a distributed hospital for further study.
Abdullah Lakhan   +6 more
doaj   +1 more source

CryptoKitties Transaction Network Analysis: The Rise and Fall of the First Blockchain Game Mania

open access: yesFrontiers in Physics, 2021
CryptoKitties was the first widely recognized blockchain game. Players could own, breed, and trade kitties, which are the only prop in the game. The game gained explosive growth upon its release but quickly collapsed in a short time.
Xin-Jian Jiang, Xiao Fan Liu
doaj   +1 more source

Can the major cryptocurrencies be used as a portfolio diversifier?: Analysis of the relationship between Bitcoin, Ethereum, and global financial asset classes

open access: yesEkonomski Vjesnik
Purpose: It can be stated that in today’s competitive conditions, where portfolio management is very important, it has become necessary to examine the relationship between global financial assets and major cryptocurrencies, such as Bitcoin and Ethereum ...
Kübra Saka Ilgin
doaj   +1 more source

Hidden Markov graphical models with state‐dependent generalized hyperbolic distributions

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract In this article, we develop a novel hidden Markov graphical model to investigate time‐varying interconnectedness between different financial markets. To identify conditional correlation structures under varying market conditions and accommodate shape features embedded in financial time series, we rely upon the generalized hyperbolic family of ...
Beatrice Foroni   +2 more
wiley   +1 more source

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