Master’s Thesis at the College of Information Technology Explores "Enhancing IoT Security Using IOTA 2.0 Technology

By : Duhaa Fadill Abbas
Date : 25/5/2025
Views : 376

Master’s Thesis at the College of Information Technology Explores "Enhancing IoT Security Using IOTA 2.0 Technology"

Duhaa Fadill Abbas
The Department of Information Networks at the College of Information Technology held a master’s thesis defense entitled "Enhancing Security for the Internet of Things Using IOTA 2.0 Technology" by graduate student Ayat Nazem Kazem, under the supervision of Dr. Ahmed Mahdi Mohammed. The defense took place at 9:00 a.m. on Sunday, May 25, 2025, in the college s conference hall.

The thesis highlighted that the rapid proliferation of Internet of Things (IoT) devices has introduced new challenges related to security, trust, scalability, data transmission, and authentication—particularly within critical and financial infrastructures. Conventional blockchain-based systems often suffer from latency issues, high resource consumption, and low transaction throughput, making them suboptimal for dynamic IoT environments.

To address these limitations, IOTA 2.0 has been developed. It utilizes a Directed Acyclic Graph (DAG) structure to enable parallel transaction validation and consensus. The proposed system overcomes the shortcomings of traditional IoT security architectures by implementing a multi-layered structure based on IOTA 2.0.

This architecture integrates cryptographic EdDSA signatures, the Fast Probabilistic Consensus (FPC) protocol, and reputation scores derived from MANA, enforced through smart contract rules. IoT sensor data is signed by edge nodes and subjected to multiple voting rounds. Node reputation—weighted by FPC and MANA—is used to validate the authenticity of the data.

Two experimental scenarios were conducted: the first optimized FPC with DAG, and the second integrated FPC with adaptive Proof of Work (PoW). The results showed that EdDSA achieved a signing time of 0.00012 seconds and a verification time of 0.00025 seconds, significantly outperforming RSA and ECDSA. The optimized FPC configuration reached a throughput of 5230 transactions per second (TPS), achieving consensus in just 4.421 rounds and 0.0019 seconds across 100 nodes. In contrast, the FPC-PoW system demonstrated stable voting over 7 rounds but experienced decreased throughput (ranging from 24 to 190 TPS) as the network scaled up to 10,000 nodes.

Sybil attack detection times ranged from 0.05 seconds (at 100 nodes) to 2.3 seconds (at 10,000 nodes), with malicious nodes being rapidly isolated through MANA weight degradation. These results collectively demonstrate that the proposed IOTA 2.0-based system significantly improves transaction speed, security, and scalability in decentralized IoT environments—rendering it particularly well-suited for smart banking applications and similar critical domains.

تاسماء اعضاء لجنة المناقشةاللقب العلميالاختصاص الدقيقمكان العملالمنصب
1د. الحارث عبدالكريم عبداللهاستاذامن معلومات و شبكاتجامعة بابل / كلية تكنولوجيا المعلوماترئيساً
2د.نغم حامد عبدالمهدياستاذ مساعدامنية معلوماتجامعة تكنولوجيا المعلومات و الاتصالات / كلية معلوماتية الاعمالعضوا
3د. طارق علوان كاظماستاذ مساعدشبكاتجامعة بابل / كلية تكنولوجيا المعلوماتعضوا
4د.احمد مهدي محمد سعيداستاذ مساعدشبكاتجامعة بابل / كلية تكنولوجيا المعلوماتعضوا و مشرفا

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