Pectra & Fusaka Ethereum Upgrade MEV Impact 2026: Searcher Adaptation Guide
Answer first — Pectra and Fusaka are the two Ethereum hard fork upgrades shaping MEV in 2026. Pectra activated in 2025 with three MEV-relevant EIPs: E…
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Creating a MiniDex
┌──────────────────────┐ │ MiniDEXFactory │ └──────────┬───────────┘ │ createPair(tokenA, tokenB) via Yul CREATE2 │ ▼ ┌──────────────────────┐ │ MiniD…
Delayed Ownership on Ethereum: A Different Custody Model
Delayed Ownership on Ethereum: A Different Custody Model Most Ethereum assets assume a simple rule: once a transfer is confirmed, ownership changes im…
zk.egold.dev — ZK Exploit Disclosure Protocol on Ethereum
Smart contract bugs cost billions. In 2023 alone, over $1.8B was lost to exploits. The problem? No standardized way for security researchers to disclo…
A .NET Dinosaur in Web3. Day 18 - Automated Market Maker
🏦 Day 6 of 7: Building a Mini Uniswap in 80 Lines of Solidity Imagine a vending machine. It has 1,000 coffee beans and 1,000 coins. No menu, no cashie…
Beyond onlyOwner: Fixing Logic Vulnerabilities in DeFi (A RetoSwap Case Study)
Logic vulnerabilities are often the most dangerous bugs in DeFi. Unlike reentrancy or overflow errors, they don't always trigger standard static analy…
A .NET Dinosaur in Web3. Day 16 - ERC-20 Token & ICO
A .NET Dinosaur in Web3. Day 16 - ERC-20 Token & ICO 😈 Day 4 of 7: Building Own Currency… Cryptocurrency! Day 4 it’s exactly give me some practice…
ERC-8004 Agent Validation: Trustless Reputation for DeFi Bots
Building trustless DeFi bots requires more than smart code—it demands verifiable onchain reputation that other protocols can trust. ERC-8004 Agent Val…
Deploy Smart Contracts from Claude Desktop: ContractDeploy MCP Tools
Deploy Smart Contracts from Claude Desktop: Claude Desktop just gained the ability to deploy smart contracts through WAIaaS's MCP tools. With 45 MCP t…
What Is a Nonce in Blockchain? Transaction Nonces Explained
What is a nonce in blockchain transactions? A blockchain nonce is a number used to order transactions, prevent replayed transactions, and prove work i…
Best Ethereum RPC API for Web3 Apps and Developers
What is the best Ethereum RPC API for Web3 apps? The best Ethereum RPC API for Web3 apps provides reliable mainnet and testnet access, predictable lat…
APPROVED_SPENDERS Policy: Control Which Contracts Your AI Agent Can Approve
The biggest fear in AI agent development isn't that your bot will make bad trades—it's that it will drain your entire wallet by approving unlimited to…
TWAP Oracles: How AMMs regulate crypto prices
Seven posts in. Uniswap V2 Wrapped Up. The final one. This one is about TWAP oracles, something we've mentioned in passing in basically every post in …
🧟 Level 2: The DNA Blueprints & The Zombie Army (Solidity Quest)
In Level 1, we dropped our "Citadel" (the Smart Contract) onto the Ethereum grid. It’s a safe, empty fortress. But a factory without a product is just…
Burning Liquidity: Exit, Profit, and How DeFi Began losing its mind
Six posts in. The end is in sight. We've covered the AMM fundamentals, the architecture, mint, swap, and flash loans. Burn is the last of the four cor…
From Doge to Degen: A Hilarious Dive into Meme Coin Culture
It all started on a Tuesday. My coffee machine broke, the code review was brutal, and somehow, in the middle of debugging a React app, I found myself …
The Layer 1 Architect's Reading List: What to Actually Read to Understand Blockchain Design From First Principles
If you've ever tried to seriously study how a Layer 1 blockchain is designed, you've probably noticed that the available material falls into two camps…
Immutable settlement protocols for real-world assets: deployed, ownerless, open templates
I have deployed a collection of independent smart contract protocols on Ethereum mainnet. Each one is finished infrastructure: Immutable, ownerless, n…