Articles by Tag #ethereum
Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!
Basic understanding of Dynamic Staking
Introduction In the ever-expanding landscape of decentralized finance (DeFi), staking has...
How to write dynamic staking smart contract step by step in practice
Introduction In the ever-expanding landscape of decentralized finance (DeFi), staking has...
How standards enhance the developer experience
My timeline of how the web has evolved is based on CSS layout eras. If you ever came across an...
The 3 Most Subtle Solidity Bugs We Found in Audits (And How We Found Them)
(This is the first article in our three-part series on protocol security.) Introduction:...
🏪 Day 26 of #30DaysOfSolidity — Build a Decentralized NFT Marketplace with Royalties 💎
Today, we’re building a fully functional NFT Marketplace in Solidity — a platform where users can...
🪙 Day 29 of #30DaysOfSolidity — Building a Collateral-Backed Stablecoin in Solidity — Step-by-Step Guide
Author: Saurav Kumar Tags: solidity, defi, stablecoin, ethereum, blockchain Difficulty: Intermediate...
🏦 Day 14 of #30DaysOfSolidity — Building a Smart Bank with Modular Deposit Boxes (Interface + Foundry)
🌟 Introduction Welcome back to Day 14 of our #30DaysOfSolidity challenge! Today, we’re...
🧮 Day 25 of #30DaysOfSolidity — Build an Automated Market Maker (AMM) 💧
Welcome to Day 25 of the #30DaysOfSolidity challenge! Today, we’ll build a decentralized Automated...
⛽️ Understanding Gas in Ethereum — The Fuel of Every Transaction
When you use Ethereum — whether sending ETH, minting NFTs, or interacting with DeFi — you’re paying...
Bringing Web3 Principles to Enterprise Systems
While getting back to the basics of the blockchain architecture some rather philosophical thoughts...
🧠 What Is the EVM? The Engine That Powers Smart Contracts
If you’ve ever used Ethereum or heard of blockchains like Polygon, Base, or Avalanche, you’ve...
Building for Trust: A Guide to Gasless Transactions with ERC-2771
How to use ERC-2771 and a Merkle Airdrop contract to build thoughtful, user-first dApps by separating...
🪙 Day 12 of #30DaysOfSolidity — Build Your Own ERC-20 Token using Foundry
Series: 30 Days of Solidity Topic: Implementing ERC-20 Token Standard with Foundry Difficulty:...
Building a High-Performance Keccak-256 Extension for PHP: 14-16 Faster
The Problem: Pure PHP Keccak hashing: 0.28-0.44ms per hash At scale, this makes Ethereum development...
🏋️ Day 10 of #30DaysOfSolidity — Building a Decentralized Fitness Tracker with Events & Milestones
Introduction Today we’re building FitTrack, a decentralized fitness tracker on Ethereum!...
🏰 Day 20 of #30DaysOfSolidity — Build a Secure Digital Vault (FortKnox)
💡 Introduction Welcome to Day 20 of #30DaysOfSolidity! Today, we’re tackling one of the...
🗳️ Day 15 of #30DaysOfSolidity — Building a Gas-Efficient Voting System
“Every byte of storage costs gas. Every optimization saves ETH.” Let’s build a voting machine that’s...
Kohaku: A Practical Privacy Framework for Ethereum Wallets
Ethereum’s transparency is both a design feature and a liability. Everything on-chain — from...
Building a Gas Optimization Tool: Technical Deep Dive
Ethereum gas prices follow predictable daily patterns, but most users have no visibility into how...
Your AI Agent Just Sent an Invoice (ERC-8004 + x402 in 5 Minutes)
TL;DR - ERC-8004: Gives AI agents an on-chain identity, reputation, and proof of work so you know...
🧠 Day 30 of #30DaysOfSolidity — Build a Simple Token Exchange (AMM) Using Foundry
Building a decentralized exchange (DEX) might sound complex, but today we’ll create a simple,...
Building CanopySplit: A Deep Dive into Octant V2 Yield Donating Strategies
Introduction CanopySplit is a multi-layer DeFi protocol that transforms idle capital into...
EIP-7939: Count Leading Zeros (CLZ) Opcode
For almost a decade, the Ethereum Virtual Machine could do everything from 256-bit math to Keccak...
How Attackers Are Using Blockchains to Hide Malware
While cryptocurrency is a known vector for financial crime and user-targeted cyber attacks such as...
We Replaced Our RPC Layer With eRPC
TL;DR We finished migrating from in-house RPC to eRPC. Our homegrown stack handled scale, but it was...
🌾 Day 18 of #30DaysOfSolidity — Decentralized Crop Insurance using Chainlink Oracles (Foundry + React Frontend)
🧭 Introduction Farmers depend on rain — but nature isn’t always kind. Today, we’ll use...
Day 21 — Build Digital Collectibles (ERC-721 NFTs) — Full tutorial (Foundry + React)
Create unique digital collectibles (NFTs) using the ERC-721 standard, store metadata on IPFS, test...
How EIP-4844 Changed Ethereum Gas Prices
How EIP-4844 Changed Ethereum Gas Prices TLDR This study analyzes 12 months of...
📜 EIP vs ERC — What’s the Difference?
If you’ve read Ethereum documentation or audited a smart contract, you’ve probably seen words like...
🔄 The Lifecycle of a Transaction — From Click to Confirmation
When you click “Send” on MetaMask or call a smart contract function, what actually happens behind the...