menu

Recent posts tagged ethereum

Level UI • 20 hours • in Articles • 9 min read
An MCP server is not a new API. It is a thin layer over the one you already have
Somewhere in the last year, "do we need an MCP server?" joined the list of questions that arrive in a brief before anyone has said what the thing is for. It is usually framed as MCP vs API, as though the Model Context Protocol were a newer kind of AP...
post-cover-33074
  • ai
  • api
  • webdev
  • security
7 Reactions 7 Comments
BinnaDev • 4 days • in Articles • 14 min read
Understanding Gas on the Blockchain: A Practical Guide Using Real Transactions
When I first encountered the concept of gas in blockchain, I understood on the surface that it measured computational work. However, I did not fully understand what that meant in practice, how gas is actually calculated under the hood, why transactio...
post-cover-32560
  • blockchain
  • ethereum
  • solidity
  • web3
4 Reactions 1 Comments
Myzubster • Sep 26 • in Articles • 9 min read
From Broken Google OAuth to a Stable Sepolia E2E Environment: Engineering MyZubster on a VPS
From Broken Google OAuth to a Stable Sepolia E2E Environment: Engineering MyZubster on a VPS Over the last development cycle, we worked on stabilizing the MyZubster Sepolia environment and turning what was initially a collection of partially workin...
  • nodejs
  • devops
  • oauth
  • ethereum
2 Reactions 0 Comments
Myzubster • Sep 25 • in Articles • 4 min read
Building a Real MetaMask + Ethereum Sepolia Payment Flow for MyZubster
Building a Real MetaMask + Ethereum Sepolia Payment Flow for MyZubster I’ve been working on the next stage of the MyZubster Marketplace: connecting authenticated users, MetaMask wallets, signed marketplace requests, and real blockchain payment verif...
  • ethereum
  • sepolia
  • myzubster
  • evm
2 Reactions 0 Comments
Myzubster • Sep 24 • in Articles • 5 min read
Building MetaMask Wallet Ownership Verification in MyZubster
Building MetaMask Wallet Ownership Verification in MyZubster I’ve started implementing MetaMask / EVM wallet ownership verification inside MyZubster. At first, this might sound like a simple “Connect Wallet” feature. But I wanted to avoid one of t...
  • javascript
  • nodejs
  • react
  • ethereum
2 Reactions 0 Comments
BinnaDev • Jun 24 • in Articles • 10 min read
ERC20 Edge Cases Every Smart Contract Engineer Should Know
Your protocol launches. Everything passes the test suite with 100% coverage. Your audits are clean. Then, an unexpected token enters your liquidity pool. The accounting drifts by a fraction of a percent. Within hours, the discrepancy compounds. User...
post-cover-21142
  • web3
  • smartcontract
  • blockchain
  • ethereum
2 Reactions 0 Comments
BinnaDev • Jun 22 • in Articles • 5 min read
How AMMs Work: The Simple Math Behind Decentralized Trading
One of the hardest problems in decentralized systems is this: how do two strangers trade without trusting each other or paying a middleman to coordinate? In traditional finance, this is solved by centralized exchanges. On the blockchain, we solve it...
post-cover-21139
  • ethereum
  • smartcontract
  • defi
  • web3
5 Reactions 2 Comments
Tom Smithverified • 17 hours • in Articles • 9 min read
Developer Weekly Briefing — October 30, 2026
Security dominated this week, but not in the usual way. Two active campaigns turned GitHub configuration files into attack surfaces. Researchers demonstrated that the built-in browsers inside AI coding tools can read your SSH keys. And at Oracle AI ...
post-cover-33104
  • agenticai
  • devsecops
  • github
  • localai
6 Reactions 3 Comments
Ranting_Sage • Apr 27 • in Articles • 6 min read
Before the Swaps: A Map of Uniswap V2
Recently I did a blog posthttps://dev.to/rantingsage/x-y-k-and-other-things-i-shouldve-learned-sooner-ofe where we did a quick breakdown of what AMMs are, Uniswap specifically, and built a basic intuition of how things work under the hood. It was ini...
post-cover-15951
  • blockchain
  • web3
  • ethereum
  • uniswap
5 Reactions 1 Comments
Ktzchen Web3 • Apr 21 • in Articles • 2 min read
Infrastructure Is the Real Product: How Ktzchen Web3 Avoids Bottlenecks by Design
In Web3, everyone talks about features. Few talk about infrastructure. But infrastructure is the product. At Ktzchen Web3, every tool — from contract analysis to on-chain audits — runs on a deliberately designed architecture built to eliminate bot...
post-cover-15396
  • web3
  • infrastructure
  • decentralization
  • ethereum
0 Reactions 0 Comments
Neraa • Apr 20 • in Articles • 7 min read
I Automated 90% of The Ethers.js v5 v6 Migration using Codemods and AI
Ethers v6 dropped a breaking change on every project that touched BigNumber, utils, or providers — which is basically every DeFi frontend ever written. The migration guide listed over 40 breaking changes. Some were simple renames. Some required under...
post-cover-15355
  • ethereum
  • web3
  • opensource
  • typescript
6 Reactions 2 Comments
Ranting_Sage • Apr 14 • in Articles • 12 min read
x * y = k, and Other Things I Should've Learned Sooner
Getting into blockchain as a smart contract dev is a different experience than entering almost any other sector. Every field has its niche things, sure, but you mostly learn by understanding well-known patterns and implementing them. In smart contrac...
post-cover-14762
  • blockchain
  • web3
  • ethereum
  • uniswap
5 Reactions 1 Comments
Fredgitonga • Apr 8 • in Articles • 3 min read
How To Audit A Smart Contract
I was going through the Updraft Smart Contract Security coursehttps://updraft.cyfrin.io/courses/security, and I realized I had been doing some things the wrong way. Here are a couple of things I started doing differently. I am basing this article on...
post-cover-14218
  • solidity
  • security
  • ethereum
  • cyfrin
3 Reactions 1 Comments
kherld • Oct 7, 2025 • in Articles • 2 min read
SpacetimeDB and Reducers: Architecture and Patterns
SpacetimeDB is a transactional, in-memory relational database that lets you implement database-backed state machines via Rust reducers and table schemas. All data is stored in memory and persisted via an append-only Write-Ahead Log WAL called the Com...
post-cover-6173
  • rust
  • spacetimedb
  • ethereum
  • stk2eth
4 Reactions 1 Comments
abiEncode • Aug 7, 2025 • in Articles • 3 min read
Part-1: Intro to MEV(Maximal Extractable value) Attack
MEV attacks happen when someone usually a miner, validator, or bot manipulates the order of pending transactions in Ethereum EVM chains to make extra money This attaclk is done by front-running, back-running, sandwich or liquidation attacks mempoo...
post-cover-4496
  • blockchain
  • security
  • evm
  • ethereum
4 Reactions 1 Comments
Gil Lopes Bueno • Jul 30, 2025 • in Articles • 6 min read
A Clear and Working Example of Zero-Knowledge Proofs in a Real Web3 Application
Zero-knowledge proofs ZKPs allow someone to prove they know or did something — without revealing what it was. A specific type of ZKP called a zk-SNARK Zero-Knowledge Succinct Non-Interactive Argument of Knowledge enables compact and fast proofs that ...
post-cover-4349
  • zk
  • web3
  • solidity
  • ethereum
6 Reactions 2 Comments
ALLAN ROBINSON • Jul 17, 2025 • in Articles • 3 min read
Understanding Ethereum: EVM, Blocks, Gas, Accounts & Transactions Explained
Ethereum is more than just transfers of ETH — it’s a decentralized global computer powered by nodes and fueled by gas. Let’s break down its core components to help you grasp why it works the way it does. 1. The Ethereum Virtual Machine EVM What it...
post-cover-4098
  • blockchain
  • blockchain-development
  • solidity
  • ethereum
6 Reactions 2 Comments
ALLAN ROBINSON • Jul 17, 2025 • in Articles • 3 min read
What the Heck Are EIPs and ERCs? A Beginner’s Guide to 4 Ethereum Upgrades You’ve Never Heard Of
> They might not trend on Crypto Twitter—but without them, Ethereum wouldn't run this smooth. - Allan Robinson What Are EIPs and ERCs? EIPs Ethereum Improvement Proposals are Ethereum’s official feature requests or improvements, typically targetin...
post-cover-4097
  • blockchain
  • ethereum
  • decentralization
  • solidity
4 Reactions 1 Comments
ALLAN ROBINSON • Jul 12, 2025 • in Articles • 3 min read
Unlocking Ethereum: From Magic Money to Math-Powered Machines
> "Not all computers live in your house. Some live everywhere." — Allan Robinson Hey there, curious builder! If you’ve been following along on this journey from Chapter 1 to Chapter 4 of the Ethereum Book, congratulations! You’ve taken your firs...
  • blockchain
  • smartcontracts
  • solidity
  • ethereum
4 Reactions 1 Comments
Page:
chevron_left
🔥 23 posts • 👩‍💻 11 active writers
✨ Want to write in this topic?
Share your learning. Get discovered. Build your profile.
Join CoderLegion
💡 Why developers use CoderLegion
Track learning • Share posts • Get ranked publicly
Create your profile