7 citations · 24 across the 19 of their papers we have counts for
19 papers
Adversarial Attacks in Multi-Agent LLM Pipelines: Unveiling Structural Vulnerabilities in Agentic AI Architectures
Faisal Haque Bappy, Tahrim Hossain, Tarannum Shaila Zaman +3
Multi-agent LLM pipelines orchestrate multiple specialized language model agents into structured workflows where intermediate outputs are passed across agents to solve complex task…
Rollback-Free Cross-Chain Atomicity Through Forward-Only Correction
Tahrim Hossain, Faisal Haque Bappy, Tarannum Shaila Zaman +1
Blockchain platforms have grown into an ecosystem of independent networks, and a growing class of applications now requires smart contracts on separate chains to act as one. Such o…
Towards Secure and Trustworthy DAOs for Cross-Chain Governance
Faisal Haque Bappy, Tahrim Hossain, Tarannum Shaila Zaman +1
Cross-chain DAOs face unique security challenges that go beyond traditional single-chain vulnerabilities. This paper identifies and categorizes four critical attack vectors in cros…
From Preventive to Reactive: How AI Coding Assistants Transform Developers' Security Awareness
Faisal Haque Bappy, Tahrim Hossain, Sidratul Muntaher Meheraj +5
AI coding assistants are now central to professional software development, yet their impact on how developers think about and practice security remains poorly understood. While pri…
SWORD: A Secure LoW-Latency Offline-First Authentication and Data Sharing Scheme for Resource Constrained Distributed Networks
Faisal Haque Bappy, Tahrim Hossain, Raiful Hasan +3
While many resource-constrained networks, such as Internet of Things (IoT) and Internet of Vehicles (IoV), are inherently distributed, the majority still rely on central servers fo…
AntiFLipper: A Secure and Efficient Defense Against Label-Flipping Attacks in Federated Learning
Aashnan Rahman, Abid Hasan, Sherajul Arifin +5
Federated learning (FL) enables privacy-preserving model training by keeping data decentralized. However, it remains vulnerable to label-flipping attacks, where malicious clients m…
SmartShift: A Secure and Efficient Approach to Smart Contract Migration
Tahrim Hossain, Faisal Haque Bappy, Tarannum Shaila Zaman +2
Blockchain and smart contracts have emerged as revolutionary technologies transforming distributed computing. While platform evolution and smart contracts' inherent immutability ne…
Centralized Trust in Decentralized Systems: Unveiling Hidden Contradictions in Blockchain and Cryptocurrency
Faisal Haque Bappy, EunJeong Cheon, Tariqul Islam
Blockchain technology promises to democratize finance and promote social equity through decentralization, but questions remain about whether current implementations advance or hind…
FlexiContracts: A Novel and Efficient Scheme for Upgrading Smart Contracts in Ethereum Blockchain
Tahrim Hossain, Sakib Hassan, Faisal Haque Bappy +4
Blockchain technology has revolutionized contractual processes, enhancing efficiency and trust through smart contracts. Ethereum, as a pioneer in this domain, offers a platform for…
Bridging Immutability with Flexibility: A Scheme for Secure and Efficient Smart Contract Upgrades
Tahrim Hossain, Sakib Hassan, Faisal Haque Bappy +3
The emergence of blockchain technology has revolutionized contract execution through the introduction of smart contracts. Ethereum, the leading blockchain platform, leverages smart…
CrossLink: A Decentralized Framework for Secure Cross-Chain Smart Contract Execution
Tahrim Hossain, Faisal Haque Bappy, Tarannum Shaila Zaman +1
This paper introduces CrossLink, a decentralized framework for secure cross-chain smart contract execution that effectively addresses the inherent limitations of contemporary solut…
Collaborative Proof-of-Work: A Secure Dynamic Approach to Fair and Efficient Blockchain Mining
Rizwanul Haque, SM Tareq Aziz, Tahrim Hossain +3
Proof-of-Work (PoW) systems face critical challenges, including excessive energy consumption and the centralization of mining power among entities with expensive hardware. Static m…
SEAM: A Secure Automated and Maintainable Smart Contract Upgrade Framework
Tahrim Hossain, Faisal Haque Bappy, Tarannum Shaila Zaman +1
This work addresses the critical challenges of upgrading smart contracts, which are vital for trust in automated transactions but difficult to modify once deployed. To address this…
ChainGuard: A Blockchain-based Authentication and Access Control Scheme for Distributed Networks
Faisal Haque Bappy, Joon S. Park, Kamrul Hasan +1
As blockchain technology gains traction for enhancing data security and operational efficiency, traditional centralized authentication systems remain a significant bottleneck. This…
Maximizing Blockchain Performance: Mitigating Conflicting Transactions through Parallelism and Dependency Management
Faisal Haque Bappy, Tarannum Shaila Zaman, Md Sajidul Islam Sajid +2
While blockchains initially gained popularity in the realm of cryptocurrencies, their widespread adoption is expanding beyond conventional applications, driven by the imperative ne…
Securing Proof of Stake Blockchains: Leveraging Multi-Agent Reinforcement Learning for Detecting and Mitigating Malicious Nodes
Faisal Haque Bappy, Tariqul Islam, Kamrul Hasan +2
Proof of Stake (PoS) blockchains offer promising alternatives to traditional Proof of Work (PoW) systems, providing scalability and energy efficiency. However, blockchains operate…
Impact of Conflicting Transactions in Blockchain: Detecting and Mitigating Potential Attacks
Faisal Haque Bappy, Tariqul Islam, Kamrul Hasan +2
Conflicting transactions within blockchain networks not only pose performance challenges but also introduce security vulnerabilities, potentially facilitating malicious attacks. In…
An Efficient and Scalable Auditing Scheme for Cloud Data Storage using an Enhanced B-tree
Tariqul Islam, Faisal Haque Bappy, Md Nafis Ul Haque Shifat +3
An efficient, scalable, and provably secure dynamic auditing scheme is highly desirable in the cloud storage environment for verifying the integrity of the outsourced data. Most of…
MRL-PoS: A Multi-agent Reinforcement Learning based Proof of Stake Consensus Algorithm for Blockchain
Tariqul Islam, Faisal Haque Bappy, Tarannum Shaila Zaman +2
The core of a blockchain network is its consensus algorithm. Starting with the Proof-of-Work, there have been various versions of consensus algorithms, such as Proof-of-Stake (PoS)…