• Siddamurthi Nitin Reddy
• Dr Challa Narasimham
• Patnana Meghana

In this research, a robust approach to establishing secure smart contracts devoid of vulnerabilities such as timestamp manipulation, re-entrancy exploits, and overflow vulnerabilities. Leveraging the versatility of Python, this method meticulously addresses these critical issues that often plague smart contracts, compromising their integrity and security. This methodology involves thorough validation mechanisms, specifically designed to detect and prevent timestamp discrepancies, re-entrancy attacks, and eliminate potential overflow risks within the smart contract codebase. By integrating these security measures, smart contract implementation ensures a resilient and tamper-resistant foundation, bolstering the trustworthiness of decentralized applications. This work contributes to the advancement of secure blockchain technologies, offering a reliable framework for the development of smart contracts resistant to common vulnerabilities, thereby enhancing the overall security landscape of decentralized system.

Smart contract, Timestamp, Re-entrancy, Overflow, Decentralized

"Formalistic Occurrence of Vulnerabilities in Transactions of Blockchain Technology", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.11, Issue 1, page no.g557-g562, January-2024, Available :http://www.jetir.org/papers/JETIR2401668.pdf

"Formalistic Occurrence of Vulnerabilities in Transactions of Blockchain Technology", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.11, Issue 1, page no. ppg557-g562, January-2024, Available at : http://www.jetir.org/papers/JETIR2401668.pdf