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The popularity and amazing attractiveness of cryptocurrencies, and especially Bitcoin, absorb countless enthusiasts daily. Although Blockchain technology prevents fraudulent behavior, it cannot detect fraud on its own. There are always…

Cryptography and Security · Computer Science 2021-07-05 Mohammad Javad Shayegan , Hamid Reza Sabor

Blockchain has recently been depicted as a secure protocol for information exchange in cyber-physical microgrids. However, it is still found vulnerable to consensus manipulation attacks. These stealth attacks are often difficult to detect…

Cryptography and Security · Computer Science 2023-03-09 Suman Rath , Lam Duc Nguyen , Subham Sahoo , Petar Popovski

This paper aims to categorize bank transactions using weak supervision, natural language processing, and deep neural network techniques. Our approach minimizes the reliance on expensive and difficult-to-obtain manual annotations by…

Machine Learning · Computer Science 2023-06-13 Liam Toran , Cory Van Der Walt , Alan Sammarone , Alex Keller

The integration of Large Language Models (LLMs) into autonomous robotic agents for conducting online transactions poses significant cybersecurity challenges. This study aims to enforce robust cybersecurity constraints to mitigate the risks…

Cryptography and Security · Computer Science 2025-04-04 Shraddha Pradipbhai Shah , Aditya Vilas Deshpande

Decentralization is widely recognized as a crucial characteristic of blockchains that enables them to resist malicious attacks such as the 51% attack and the takeover attack. Prior research has primarily examined decentralization in…

Cryptography and Security · Computer Science 2023-06-12 Chao Li , Balaji Palanisamy , Runhua Xu , Li Duan

Solana is an emerging blockchain platform, recognized for its high throughput and low transaction costs, positioning it as a preferred infrastructure for Decentralized Finance (DeFi), Non-Fungible Tokens (NFTs), and other Web 3.0…

Software Engineering · Computer Science 2025-04-28 Xiaoye Zheng , Zhiyuan Wan , David Lo , Difan Xie , Xiaohu Yang

The governance of data used for biomedical research and clinical trials is an important requirement for generating accurate results. To improve the visibility of data quality and analysis, we developed TrialChain, a blockchain-based…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-07-11 Hao Dai , H Patrick Young , Thomas JS Durant , Guannan Gong , Mingming Kang , Harlan M Krumholz , Wade L Schulz , Lixin Jiang

Blockchains offer strong security gurarantees, but cannot protect users against the ordering of transactions. Players such as miners, bots and validators can reorder various transactions and reap significant profits, called the Maximal…

Cryptography and Security · Computer Science 2023-08-30 Arti Vedula , Shaileshh Bojja Venkatakrishnan , Abhishek Gupta

This research critically analyses blockchain scaling solutions based on their ability to realistically balance the properties of the blockchain trilemma. We have concluded this research by outlining a gap in the current body of literature…

Cryptography and Security · Computer Science 2022-02-02 Frazer Chard , Cayo Fletcher-Smith

The Quantum Signature Validation Algorithm (QSVA) is introduced as a novel quantum-based approach designed to enhance the detection of tampered transactions in blockchain systems. Leveraging the powerful capabilities of quantum computing,…

Quantum Physics · Physics 2025-02-24 Jaime Torres , Sergio A. Ortega , Miguel A. Martin-Delgado

Programmable blockchains have long been a hot research topic given their tremendous use in decentralized applications. Smart contracts, using blockchains as their underlying technology, inherit the desired properties such as verifiability,…

Cryptography and Security · Computer Science 2025-08-19 Zhaorun Lin

Blockchain is an emerging technology that enables new forms of decentralized software architectures, where distributed components can reach agreements on shared system states without trusting a central integration point. Blockchain provides…

Software Engineering · Computer Science 2025-02-25 Xiwei Xu , Cesare Pautasso , Sin Kuang Lo , Liming Zhu , Qinghua Lu , Ingo Weber

The Ponzi scheme, an old-fashioned fraud, is now popular on the Ethereum blockchain, causing considerable financial losses to many crypto investors. A few Ponzi detection methods have been proposed in the literature, most of which detect a…

Cryptography and Security · Computer Science 2024-07-19 Phuong Duy Huynh , Son Hoang Dau , Xiaodong Li , Phuc Luong , Emanuele Viterbo

The application of machine learning (ML) algorithms are massively scaling-up due to rapid digitization and emergence of new tecnologies like Internet of Things (IoT). In today's digital era, we can find ML algorithms being applied in the…

Cryptography and Security · Computer Science 2021-10-05 Thippa Reddy Gadekallu , Manoj M K , Sivarama Krishnan S , Neeraj Kumar , Saqib Hakak , Sweta Bhattacharya

We introduce Blockene, a blockchain that reduces resource usage at member nodes by orders of magnitude, requiring only a smartphone to participate in block validation and consensus. Despite being lightweight, Blockene provides a high…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-15 Sambhav Satija , Apurv Mehra , Sudheesh Singanamalla , Karan Grover , Muthian Sivathanu , Nishanth Chandran , Divya Gupta , Satya Lokam

With the growing development and deployment of large language models (LLMs) in both industrial and academic fields, their security and safety concerns have become increasingly critical. However, recent studies indicate that LLMs face…

Cryptography and Security · Computer Science 2024-11-19 Caleb Geren , Amanda Board , Gaby G. Dagher , Tim Andersen , Jun Zhuang

Mechanistic interpretability aspires to reverse-engineer neural networks into explicit algorithms, while model editing seeks to modify specific behaviours without retraining. Both areas are typically evaluated with informal evidence and…

Machine Learning · Computer Science 2025-11-26 Sandro Andric

The problem of anomaly detection has been studied for a long time, and many Network Analysis techniques have been proposed as solutions. Although some results appear to be quite promising, no method is clearly to be superior to the rest. In…

Social and Information Networks · Computer Science 2017-02-28 Thai Pham , Steven Lee

Blockchain is an essentially distributed database recording all transactions or digital events among participating parties. Each transaction in the records is approved and verified by consensus of the participants in the system that…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-07-07 Jie You

Cryptocurrencies are widely used, yet current methods for analyzing transactions often rely on opaque, black-box models. While these models may achieve high performance, their outputs are usually difficult to interpret and adapt, making it…

Cryptography and Security · Computer Science 2025-09-05 Yuchen Lei , Yuexin Xiang , Qin Wang , Rafael Dowsley , Tsz Hon Yuen , Kim-Kwang Raymond Choo , Jiangshan Yu