103 citations · 113 across the 5 of their papers we have counts for
9 papers
e-PoS: Making Proof-of-Stake Decentralized and Fair
Muhammad Saad, Zhan Qin, Kui Ren +2
Blockchain applications that rely on the Proof-of-Work (PoW) have increasingly become energy inefficient with a staggering carbon footprint. In contrast, energy-efficient alternati…
Towards Characterizing COVID-19 Awareness on Twitter
Muhammad Saad, Muhammad Hassan, Fareed Zaffar
The coronavirus (COVID-19) pandemic has significantly altered our lifestyles as we resort to minimize the spread through preventive measures such as social distancing and quarantin…
Contra-*: Mechanisms for Countering Spam Attacks on Blockchain's Memory Pools
Muhammad Saad, Joongheon Kim, DaeHun Nyang +1
Blockchain-based cryptocurrencies, such as Bitcoin, have seen on the rise in their popularity and value, making them a target to several forms of Denial-of-Service (DoS) attacks, a…
Secure and Transparent Audit Logs with BlockAudit
Ashar Ahmad, Muhammad Saad, Aziz Mohaisen
Audit logs serve as a critical component in enterprise business systems and are used for auditing, storing, and tracking changes made to the data. However, audit logs are vulnerabl…
Exploring the Attack Surface of Blockchain: A Systematic Overview
Muhammad Saad, Jeffrey Spaulding, Laurent Njilla +4
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 i…
Exploring Spatial, Temporal, and Logical Attacks on the Bitcoin Network
Muhammad Saad, Victor Cook, Lan Nguyen +2
In this paper, we explore the partitioning attacks on the Bitcoin network, which is shown to exhibit spatial bias, and temporal and logical diversity. Through data-driven study we…