Chavhan Sujeet Yashavant

Supervisors: Amey Karkare, Angshuman Karmakar

Computer Science and Engineering

Indian Institute of Technology, Kanpur

Sujeet Chavhan

About Me

I am a Ph.D. student at the Department of Computer Science and Engineering, Indian Institute of Technology (IIT) Kanpur. My research focuses on Blockchain Security, with a particular emphasis on identifying and mitigating vulnerabilities in Ethereum Smart Contracts.

My work involves developing comprehensive datasets, analysis tools, and novel approaches to enhance smart contract security. I work under the guidance of Prof. Amey Karkare and Prof. Angshuman Karmakar on some of the most critical challenges in blockchain technology.

Current Position PhD Scholar, IIT Kanpur
Education BE Information Technology
MIT Pune
Research Domain Blockchain Security, Smart Contracts

Research Interests

🔗 Blockchain Security

Comprehensive analysis and mitigation of vulnerabilities in blockchain systems and distributed ledgers with focus on Ethereum ecosystem.

🔐 Smart Contracts

Identifying reentrancy, access control, and state management vulnerabilities in smart contracts with dataset creation and tool development.

💻 Computer Architecture Security

Side-channel attacks, cache-based vulnerabilities, and defense mechanisms in modern processors and systems.

Publications & Archives

📄 MSR 2025
Chavhan Sujeet Yashavant, MitrajSinh Chavda, Saurabh Kumar, Amey Karkare, and Angshuman Karmakar
22nd International Conference on Mining Software Repositories (Data and Tool Showcase Track), 2025
📋 arXiv
SCRUBD: Smart Contracts Reentrancy and Unhandled Exceptions Vulnerability Dataset
Chavhan Sujeet Yashavant, MitrajSinh Chavda, Saurabh Kumar, Amey Karkare, and Angshuman Karmakar
arXiv.org, December 16, 2024
🎓 ISEC 2024
SecSEC: Securing Smart Ethereum Contracts
Chavhan Sujeet Yashavant
17th Innovations in Software Engineering Conference (Doctoral Symposium Track), 2024
📋 arXiv
ScrawlD: A Dataset of Real World Ethereum Smart Contracts Labelled with Vulnerabilities
Chavhan Sujeet Yashavant, Saurabh Kumar, and Amey Karkare
arXiv.org, February 25, 2022
📰 IEEE CAL 2021
DAMARU: A Denial-of-Service Attack on Randomized Last-Level Caches
Pratik Kumar, Chavhan Sujeet Yashavant, and Biswabandan Panda
IEEE Computer Architecture Letters, 2021
🔒 WOOT 2019@USENIX SEC
How Sharp is SHARP?
Dixit Kumar, Chavhan Sujeet Yashavant, Biswabandan Panda, and Vishal Gupta
13th USENIX Workshop on Offensive Technologies, 2019

Teaching & Mentoring

Brief Introduction to Smart Contracts and Solidity

Course: CS 731: Blockchain Technology and Applications

Term: 2022-23, 2nd Term | Institution: IIT Kanpur

Guest lecture covering fundamental concepts of smart contracts, Solidity programming, and best practices for secure contract development.

📄 View Slides

Introduction to Solidity and Vulnerabilities in Smart Contracts

Course: CS 628: Computer Systems Security

Term: 2023-24, 1st Term | Institution: IIT Kanpur

Detailed overview of Solidity programming language, common vulnerabilities, and security best practices for smart contract development.

📄 View Slides

Professional Service

Program Committee Member

Conference: 23rd International Conference on Mining Software Repositories (MSR 2026)

Track: Data and Tool Showcase Track

Location: Rio de Janeiro, Brazil, 2026