Lessons
8 guides
DeFi & Web3What is DeFi?Finance run by smart contracts instead of banks — how it works, and why regulators call its decentralisation partly an illusion.
DeFi & Web3Decentralised exchanges (DEXs) explainedSwapping tokens from your own wallet: how DEX prices work, what slippage and sandwich attacks are, and the risks.
DeFi & Web3Liquidity pools and AMMs explainedThe x·y=k formula with worked numbers, what liquidity providers earn, and how impermanent loss works.
DeFi & Web3Crypto staking explainedProof of stake, staking yourself vs through an exchange, slashing, lock-ups and what regulators say.
DeFi & Web3What are NFTs?Unique tokens on a blockchain — what you actually own, and the scams to watch for.
DeFi & Web3Layer 2 networks and rollups, explainedHow rollups scale Ethereum, optimistic vs ZK, and what can go wrong.
DeFi & Web3What is a crypto bridge?How tokens move between blockchains — and why bridges are a favourite target for thieves.
DeFi & Web3What is a DAO?Organisations run by smart contracts and member votes — and why a DAO label is not a legal shield.