5 articles for “Bitcoin”

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Research ArticleOpen accessEvery word in the titleSecure Symmetric Block Cipher Design for Encrypting the Bitcoin Wallets in Cryptocurrencies ApplicationsOmar A. Dawood, Othman I. Hammadi, Falath M. MohammedThis paper proposes a new symmetric secret-key cipher for construction of block cipher model. This new approach is considered as a smart step that can be applied to the long process research of modern designing methods used in developing earlier symmetric algorithms. The present cipher can encrypt block lengths of 128-bit by employing Substitution-Permutation Network (SPN) structure. The present cipher … …Journal of Computer Science, Vol. 15, Issue 5 · 1 Jun 2019 · 8,412 accessesView PDF Cite

Case ReportOpen accessEvery word in the titleThe Conceptual Principals of Bitcoin Crypto CurrencySeitim AiganymIn recent years, ideas about crypto currencies with interesting and new for today monetary principles becoming more and more popular. The crypto currencies' met different attitude to it new for the world finances principals. There are different talks. Ones think that it may improve monetary system, others think that it is a toy money that may cause instability and crash … …Journal of Computer Science, Vol. 11, Issue 10 · 2 Jan 2016 · 7,130 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleApplication of Elliptic Curve Crypto System to Secure Multi-Signature Bitcoin Block ChainMohammed Mujeer Ulla, Deepak S. SakkariBlockchain is a technology that enables decentralized digital currencies like bitcoin, ethereum, and ripple. It is widely used in many areas such as healthcare, defense, and industrial domains like internet of things for tracking sensor data and detecting duplicate sensor data. Bitcoin is one of the most popular cryptocurrencies due to its market value and use as a medium of … …Journal of Computer Science, Vol. 19, Issue 1 · 30 Jan 2023 · 5,975 accessesView PDF Cite

Research ArticleOpen accessIn the abstractOptimized XGBoost for Ethereum Fraud Detection: A Cost-Sensitive ApproachSupriya P., Rubah Sheriff, Shreya Padaki et al.In today’s technologically advancing world, many fields from finance to healthcare and education are shifting toward a digital and decentralized format. A significant transformation is underway with the currency of the masses. Blockchain-based cryptocurrencies like Bitcoin and Ethereum allow users to generate fungible tokens anonymously through smart contracts. However, these features also facilitate illicit transactions and cybercrimes like fraud, phishing, … …Journal of Computer Science, Vol. 21, Issue 12 · 10 Jan 2026 · 2,770 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEmpowering Privacy: Harnessing Hyperledger Fabric to Safeguard EHR SystemsVidhi Thakkar, Vrushank Manharlal ShahThe Blockchain boom began with the debut of Bitcoin. The application of blockchain technology is expanding rapidly. Various sectors such as supply chain, logistics, research, healthcare, government, banking, media, and entertainment have already embraced this ground-breaking, decentralized technology. The healthcare industry is at the top of the list with significant blockchain potential. This article discusses the permissioned blockchain powered by … …Journal of Computer Science, Vol. 19, Issue 11 · 18 Sep 2023 · 6,005 accessesView PDF Cite