Writing

The blog

Long-form notes on technology, fitness, and what I run into along the way. New pieces land here regularly.

Medium· April 19, 2025· 6 min read

FullStack Web3 Passwordless Authentication Flow: No Abstraction!

Web3 is a combination of web1, web2 and Blockchain. By leveraging the Blockchain security, we can authenticate a user in a decentralized and most secure way without needing to request for password and

Medium· January 10, 2025· 8 min read

Inside DEX (AMM) Explained: How Liquidity Pools Enable Token Swaps

Decentralized Exchanges (DEXes) have transformed cryptocurrency trading by enabling peer-to-peer transactions directly from user wallets. This eliminates intermediaries, offering greater security and

Medium· October 6, 2024· 7 min read

Part 1: Building Secure Applications: A Practical Guide to JWT and Passport in NestJS

Introduction Nearly all applications today require authentication, as security is a key business priority. So, authentication is the gatekeeper, ensuring only authorized users can access an applicatio

Medium· January 19, 2024· 13 min read

PART 1. Smart Contracts Made Easy: Writing, Debugging, Deploying, and Frontend Integration for…

PART 1. Smart Contracts Made Easy: Writing, Debugging, Deploying, and Frontend Integration for Beginners This article is a little longer being the comprehensive guide of the time for Smart Contracts d

Medium· October 14, 2023· 9 min read

Building and Testing a Custom Ethereum ERC-20 Token Smart Contract from Scratch

Ethereum’s ERC-20 standard is the backbone of countless tokens, and we’re about to embark on a journey to create one from scratch— no shortcuts, no external libraries; just pure blockchain development