--- title: "Manojkumar (@Pewbhai) | Hashnode" description: "Manojkumar (@Pewbhai) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@Pewbhai" --- @Pewbhai # Manojkumar @Pewbhai · Joined January 2022 ### [PhD: The Hidden Truth](https://pewbhai.hashnode.dev/phd-the-hidden-truth?utm_source=hashnode&utm_medium=feed) PhD students face challenges like mental health issues, structural dysfunction, and systemic failures in academia, notably in India 9 min read · [pewbhai.hashnode.dev](https://pewbhai.hashnode.dev/phd-the-hidden-truth?utm_source=hashnode&utm_medium=feed) [Oct 21, 2025](https://hashnode.com/posts/phd-the-hidden-truth/68f7c3c5e724a11e6fe2421f) ### [Create your first blockchain using Rust](https://pewbhai.hashnode.dev/create-your-first-blockchain-using-rust?utm_source=hashnode&utm_medium=feed) Rust is one of the most important programming languages in the modern programming world because it runs blazingly fast, prevents segfaults, and guarantees thread safety. It achieves memory safety without garbage collection and is known for its rich t... 8 min read · [pewbhai.hashnode.dev](https://pewbhai.hashnode.dev/create-your-first-blockchain-using-rust?utm_source=hashnode&utm_medium=feed) [Sep 30, 2024](https://hashnode.com/posts/create-your-first-blockchain-using-rust/66fa4ad59c19f7067839172b) ### [21 Days of Solidity Smart Contract Security Research: Day - 5](https://pewbhai.hashnode.dev/21-days-of-solidity-smart-contract-security-research-day-5?utm_source=hashnode&utm_medium=feed) Today is Day 5, and after crossing Days 1, 2, 3, and 4 you’ll get clarity about What SCSR is, the basics of SCSR, the types of auditors, and finally the terms of DeFi. Now, we move deeper into Ethereum, the types of layers in Ethereum Blockchain, and... 5 min read · [pewbhai.hashnode.dev](https://pewbhai.hashnode.dev/21-days-of-solidity-smart-contract-security-research-day-5?utm_source=hashnode&utm_medium=feed) [Sep 15, 2024](https://hashnode.com/posts/21-days-of-solidity-smart-contract-security-research-day-5/66e6e85ac6850e5601f0aaa0) ### [21 Days of Solidity Smart Contract Security Research: Day - 4](https://pewbhai.hashnode.dev/21-days-of-solidity-smart-contract-security-research-day-4?utm_source=hashnode&utm_medium=feed) We successfully crossed Day 1, Day 2, and Day 3 about Solidity Smart Contract Security Research. Now, we’re on Day 4 to learn about Decentralized Finance and the important terms where smart contracts play a vital role. Decentralized Finance (DeFi) an... 7 min read · [pewbhai.hashnode.dev](https://pewbhai.hashnode.dev/21-days-of-solidity-smart-contract-security-research-day-4?utm_source=hashnode&utm_medium=feed) [Sep 14, 2024](https://hashnode.com/posts/21-days-of-solidity-smart-contract-security-research-day-4/66e5172bab7dca1faad93f94) ### [21 Days of Solidity Smart Contract Security Research: Day - 3](https://pewbhai.hashnode.dev/21-days-of-solidity-smart-contract-security-research-day-3?utm_source=hashnode&utm_medium=feed) We successfully crossed the Introduction and Fundamentals of Smart Contract Security Research. Now, we need to look at the Diverse World of Smart Contract Auditors in this web3 security. The Diverse World of Smart Contract Auditors: Specializations i... 4 min read · [pewbhai.hashnode.dev](https://pewbhai.hashnode.dev/21-days-of-solidity-smart-contract-security-research-day-3?utm_source=hashnode&utm_medium=feed) [Sep 12, 2024](https://hashnode.com/posts/21-days-of-solidity-smart-contract-security-research-day-3/66e26e38d99f270d2b31eb85)