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Related papers: Novel method for handling Ethereum attack

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Bitcoin and Ethereum, whose miners arguably collectively comprise the most powerful computational resource in the history of mankind, offer no more power for processing and verifying transactions than a typical smart phone. The system…

Cryptography and Security · Computer Science 2019-08-14 Jason Teutsch , Christian Reitwießner

There appears to be an insatiable desire for spawning new bespoke blockchains to harness the functionality provided by blockchain technologies, resulting in a constant stream of blockchain start-up companies entering the market with their…

Cryptography and Security · Computer Science 2019-03-25 Sandra Johnson , Peter Robinson , John Brainard

In recent years, blockchain technology has been recognized as a transformative innovation in the tech world, and it has quickly become the core infrastructure of digital currencies such as Bitcoin and an important tool in various…

Cryptography and Security · Computer Science 2025-01-22 Mohsen Ghorbian , Mostafa Ghobaei-Arani

Ethereum smart contracts are highly powerful, immutable, and able to retain massive amounts of tokens. However, smart contracts keep attracting attackers to benefit from smart contract flaws and Ethereum unexpected behavior. Thus,…

Cryptography and Security · Computer Science 2024-04-10 Wejdene Haouari , Abdelhakim Senhaji Hafid , Marios Fokaefs

Blockchain's decentralization, transparency, and tamper-resistance properties have facilitated the system's use in various application fields. However, the low throughput and high confirmation latency hinder the widespread adoption of…

Cryptography and Security · Computer Science 2024-09-12 Md Mohaimin Al Barat , Shaoyu Li , Changlai Du , Y. Thomas Hou , Wenjing Lou

The research designs a new integrated system for the security enhancement of a decentralized network by preventing damages from attackers, particularly for the 51 percent attack. The concept of multiple layered design based on Blockchain…

Cryptography and Security · Computer Science 2022-02-15 Song-Kyoo Kim

We focus on the problem of botnet orchestration and discuss how attackers can leverage decentralised technologies to dynamically control botnets with the goal of having botnets that are resilient against hostile takeovers. We cover critical…

Cryptography and Security · Computer Science 2020-05-05 Dimitri Kamenski , Arash Shaghaghi , Matthew Warren , Salil S. Kanhere

The Blockchain and the programs running on it, called Smart Contracts, are more and more applied in all fields requiring trust and strong certifications. In this work we compare public and permissioned blockchains for industrial…

Cryptography and Security · Computer Science 2020-05-07 Lodovica Marchesi , Michele Marchesi , Roberto Tonelli

We study selfish mining in Ethereum. The problem is combinatorially more complex than in Bitcoin because of major differences in the reward system and a different difficulty adjustment formula. Equivalent strategies in Bitcoin do have…

Cryptography and Security · Computer Science 2019-05-01 Cyril Grunspan , Ricardo Pérez-Marco

In this paper, we systematically explore the attack surface of the Blockchain technology, with an emphasis on public Blockchains. Towards this goal, we attribute attack viability in the attack surface to 1) the Blockchain cryptographic…

Cryptography and Security · Computer Science 2019-04-09 Muhammad Saad , Jeffrey Spaulding , Laurent Njilla , Charles Kamhoua , Sachin Shetty , DaeHun Nyang , Aziz Mohaisen

Nowadays security is major concern for any user connected to the internet. Various types of attacks are to be performed by intruders to obtaining user information as manin-middle attack, denial of service, malware attacks etc. Malware…

Cryptography and Security · Computer Science 2020-01-22 Jaspreet Kaur

With the promise of greater decentralization and sustainability, Ethereum transitioned from a Proof-of-Work (PoW) to a Proof-of-Stake (PoS) consensus mechanism. The new consensus protocol introduces novel vulnerabilities that warrant…

Networking and Internet Architecture · Computer Science 2026-04-08 Constantine Doumanidis , Maria Apostolaki

Ethereum is currently the second largest blockchain by market capitalization and a popular platform for cryptocurrencies. As it has grown, the high value present and the anonymity afforded by the technology have led Ethereum to become a…

Cryptography and Security · Computer Science 2025-01-22 Calvin Josenhans , Andrey Kuehlkamp , Jarek Nabrzyski

With the escalating prevalence of malicious activities exploiting vulnerabilities in blockchain systems, there is an urgent requirement for robust attack detection mechanisms. To address this challenge, this paper presents a novel…

Blockchain technology is the first successful Bitcoin Network. It enables the ledger to become more decentralized and secure. Since it is not limited to bitcoin and controlled by third parties by government, corporations or banks, the…

Image and Video Processing · Electrical Eng. & Systems 2020-04-17 Jala Quluzada , Sabnam Maharramli

Innovation in the world of today is mainly driven by software. Companies need to continuously rejuvenate their product portfolios with new features to stay ahead of their competitors. For example, recent trends explore the application of…

Software Engineering · Computer Science 2018-09-25 Christian Berger , Birgit Penzenstadler , Olaf Drögehorn

Network controllability robustness reflects how well a networked dynamical system can maintain its controllability against destructive attacks. This paper investigates the network controllability robustness from the perspective of a…

Physics and Society · Physics 2021-03-09 Yang Lou , Lin Wang , Guanrong Chen

Blockchain is a technology that is often used to share data and assets. However, in the decentralized ecosystem, blockchain-based systems can be utilized to share information and assets without the traditional barriers associated with solo…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-23 Viktor Valaštín , Roman Bitarovský , Kristián Košťál , Ivan Kotuliak

This paper extends and advances our recently introduced two-factor Honeytoken authentication method by incorporating blockchain technology. This novel approach strengthens the authentication method to prevent many attacks including…

Cryptography and Security · Computer Science 2023-07-13 Vasilis Papaspirou , Leandros Maglaras , Ioanna Kantzavelou , Naghmeh Moradpoor , Sokratis Katsikas

With the rapid development of blockchain technology, various blockchain systems are exhibiting vitality and potential. As a representative of Blockchain 3.0, the EOS blockchain has been regarded as a strong competitor to Ethereum.…

Cryptography and Security · Computer Science 2025-05-22 Haiyang Liu , Yingjie Mao , Xiaoqi Li