DeFi

Slippage: the cost that never appears on the fee schedule
Slippage is the difference between the price you expected and the price you got. It is usually the largest cost in a crypto trade, and almost the only one you can control by changing how you order.

Smart-contract wallets: programmable custody, explained
A smart-contract wallet replaces a single private key with code, which allows recovery, spending limits and paying fees in stablecoins. It also makes your wallet a contract with all that implies.

How wallet drainers work, step by step
Drainer kits industrialised crypto theft: a template site, a signature request, and a wallet emptied in one confirmation. Understanding the sequence is what lets you break it.

Burner wallets: the case for a throwaway account
A burner wallet is a disposable account that holds almost nothing and does the risky interactions on your behalf. Used properly, it turns most wallet-drain incidents into a minor annoyance.

Token approvals: the permission that quietly drains wallets
Every DeFi app you touch asks for a token approval, and most of them ask for an unlimited one. Here is what that permission actually grants, how it gets abused, and the review routine that keeps it contained.

What Is DeFi and How Does It Work?
Decentralised finance recreates lending, trading, and saving using smart contracts instead of banks. Here is how it works — and the risks you need to weigh.

Staking Explained: How to Earn Yield on Crypto
Staking lets you earn rewards by helping secure a proof-of-stake network. Here is how it works, what you can realistically earn, and the risks involved.

How to Read a Crypto Whitepaper
A whitepaper is a project's pitch and blueprint. Learn what to look for, which red flags signal trouble, and how to separate substance from marketing.

What is market liquidity in crypto?
Why liquidity matters more than most beginners realise, how to spot it, and how thin markets amplify risk.