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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LRT Arbitrage 2026: eETH, ezETH, rsETH Searcher Playbook
Answer first — LRT (Liquid Restaking Token) arbitrage in 2026 captures spreads between LRTs like weETH, ezETH, rsETH, pufETH and their underlying ETH/…
Creating a MiniDex
┌──────────────────────┐ │ MiniDEXFactory │ └──────────┬───────────┘ │ createPair(tokenA, tokenB) via Yul CREATE2 │ ▼ ┌──────────────────────┐ │ MiniD…
We thought we caught every scam token. A dev.to post showed us a blind spot.
We run a real-time scam-token detector for Ethereum. It analyzes new ERC-20s, simulates buys and sells to catch honeypots, clusters deployers and fund…
We Replayed the Nomad Hack. Our Tool Fired at Block 15259101 Zero Minutes In.
In August 2022, the Nomad bridge was drained of $190 million over eight hours. The on-chain signal was there from the very first transaction. Nobody c…
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…
veil-cli: a terminal wallet that makes you understand before you sign
Most Ethereum wallets show you a hex string and a gas estimate. You click confirm. That's not enough if you care about what you're actually signing. v…
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…
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 …
Free RPC for 4 chains, no signup, and the URL actually works when you click it
A few weeks ago I needed a free Ethereum RPC for a side project. Nothing fancy, just somewhere to point ethers.js at. I googled "free Ethereum RPC" an…
🧟 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…