Reentrancy Attacks: How a Single Design Flaw Let Someone Drain $60 Million from a Smart Contract
How reentrancy attacks exploit smart contracts, why they work, and how developers prevent them. Covers the mechanics, the DAO hack, and modern defense…
New to crypto? Start here. Friendly, jargon-free guides covering the essentials of Web3, blockchain, and digital assets.
How reentrancy attacks exploit smart contracts, why they work, and how developers prevent them. Covers the mechanics, the DAO hack, and modern defense…
A complete walkthrough of zkSync Era's architecture — from transaction to proof to Ethereum finality. Read this to understand what's actually happenin…
Breaks down staking APY from first principles: what goes into the formula, why advertised rates mislead, and how to calculate real returns yourself.
How DeFi lending works across Aave, Compound, and Morpho, and what distinguishes each protocol's design. Read this before depositing into any of them.
How Solana uses Proof of History to timestamp transactions before consensus begins. Understand the mechanism most explanations get wrong.
A clear explanation of Bitcoin's halving mechanism, why it exists, and what it concretely affects. After reading, you'll understand the economics most…
MEV is the invisible tax on Ethereum transactions. This guide explains what it is, how it works mechanically, and how to reduce your exposure to it.
How optimistic and ZK rollups scale Ethereum, what makes them fundamentally different, and which tradeoffs matter. The comparison that cuts through th…
Covers what gas is, why it costs what it does, and the specific techniques that reduce your fees on Ethereum in 2025. Practical, no filler.
A four-point checklist for evaluating crypto job opportunities before you say yes — and why due diligence on your employer matters as much as theirs o…
Step-by-step tutorial for writing, testing, and deploying a Solana smart contract (program) using the Anchor framework.
A zero-jargon explainer of what blockchains are, why they're tamper-resistant, and what problem they actually solve — with real-world analogies.