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How many addresses fit into a Cell?
Introduction While developing a smart contract I needed to store several addresses in persistent storage. Because TON storage is measured in bits and cells, an...
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The Test That Broke My 'Perfect' Contract
Day 31 – Why Dev Tools Matter More Than Ever The first time a test destroyed my “perfect” smart contract, it wasn’t a hacker. It was my own dev environment. I...
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Day 3: Understanding L2 Caching and the Oracle Callback Pattern
Core Concept In this stage of my learning, I have focused on organizing the most critical components of the blockchain's evolution from a ledger to a world com...
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Day 2: Blockchain Basics | From Centralized DB to Distributed State Machine
The Paradigm Shift — From Centralized Databases to Decentralized Ledgers As a backend engineer with nearly a decade of experience, I am accustomed to distribut...
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Smart Contract Security 101 — Reentrancy & Common AI‑Generated Mistakes
The Transfer That Never Stopped By day 30 of this Web3 journey, “security” stopped being a scary audit word and started feeling very real. Because the first ti...
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Solana Devnet: Everything You Need to Know
Introduction Building on Solana? You'll need Devnet – a free sandbox where you can test, break things, and learn without risking real money. What is Devnet? De...
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Web3 store
Overview I wrote and deployed a demo Web3 store using Solidity and ethers.js as a learning exercise. The original tools recommended by an older book web3.js, T...
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Ethereum-Solidity Quiz Q17: What visibility modifiers does Solidity use?
'Visibility Modifiers Overview | Modifier | Within Contract | Derived Contract | Other Contract | External | |
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Ethereum UX: Account Abstraction (AA)
Introduction If you have been in the Web3 community for a while, you might have heard about Account Abstraction AA. If you are just a Web2 user, stepping into...
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Okay, so AI is getting weirdly good now.
The Evolution of AI A few years ago, “AI” meant a chatbot that couldn’t understand “hello,” or a recommendation engine that thought because you bought a suitca...
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Solidity Basics (Part 1) — Variables, Functions & Your First Real Contract
Day 26 – Phase 3: Development The 60‑Day Web3 Journey – Solidity Basics After a short two‑day pause in the 60‑Day Web3 journey, it’s time to hit play again and...
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Understanding Smart Contract working in etherium
Solidity is a programming language designed for writing smart contracts on the Ethereum blockchain. Smart contracts are self‑executing programs that contain a p...