Free · plain English · every fact sourced
Learn Web3 properly.
Short lessons in plain English, a hard quiz, and a certificate for each module. Every fact links to a source you can open yourself.
All 30 modules are open, plus a final exam for the Diploma in Web3.
Track 1
Foundations
What Web3 is, how blockchains work, and the networks everything else builds on.
01Welcome to Web3What money is, who keeps the records today, and what blockchains try to change.6 lessons · open02How a blockchain worksHashes, blocks, nodes and how strangers agree on one history.6 lessons · open03BitcoinThe 2008 paper in plain English, mining, the 21 million cap and fees.6 lessons · open04Ethereum and smart contractsA shared computer that runs programs nobody can quietly change.6 lessons · open05Transactions, gas and feesWhat you pay, why it changes, and why failed transactions still cost money.6 lessons · open06Layer 2s and bridgesCheaper networks on top of Ethereum, and the bridges that link chains.6 lessons · open
Track 2
Keeping crypto safe
Keys, self-custody, multisigs, attacks, and how to check anything yourself on-chain.
07Wallets, keys and seed phrasesWhat a wallet really holds, and why 12 words matter more than a password.7 lessons · open08Self-custodyHolding your own keys without losing them or having them stolen.6 lessons · open09Multisig and smart accountsWallets that need several people to approve: the standard for company treasuries.6 lessons · open10Security and common attacksPhishing, drainers, address poisoning, rug pulls, exploits and the big hacks.7 lessons · open11Reading the chainUse a block explorer to check any wallet, token or transaction yourself.7 lessons · open
Track 3
Tokens
How tokens are built, valued, unlocked and tied to things in the real world.
12Token standardsERC-20, ERC-721, ERC-1155, ERC-4626, ERC-3643 and Solana tokens.7 lessons · open13Tokenomics, vesting and unlocksSupply, valuation, who owns what, and when tokens unlock.7 lessons · open14NFTsUnique tokens: what you own, where the image lives, and the risks.6 lessons · open15OraclesHow blockchains learn prices and facts from outside, and how that gets attacked.6 lessons · open16Real-world assetsTreasuries, funds, credit and property on-chain, and who you really have a claim against.7 lessons · open
Track 4
Markets and DeFi
How crypto trades, who keeps markets liquid, and how lending and staking work.
17Exchanges, DEXs and AMMsCentralised and decentralised exchanges, and how a pool sets a price.7 lessons · open18Liquidity, order books and slippageWhy the price you see isn't always the price you get.7 lessons · open19Market makers: loan or retainer?What market makers do, and how a token loan deal differs from a fee deal.7 lessons · open20Lending, borrowing and liquidationsOver-collateralised loans, health factors and what happens when prices fall.7 lessons · open21Staking and yieldWhere yield comes from, and the risks hiding behind a big number.7 lessons · open
Track 5
Money and banking
Stablecoins, banks, and running a crypto treasury.
Track 6
Organisations, law and finance
DAOs, Cayman foundations, the rules, grants, accounting and tax.
25DAOs and governanceHow token holders vote, delegate and sometimes get attacked.7 lessons · open26Cayman foundation companiesWhy so many projects use one, and how it is set up and run.7 lessons · open27The rules: acts and regulatorsCayman's VASP Act, EU MiCA, the US agencies, FATF and sanctions.7 lessons · open28Ecosystem grantsHow grant programmes work, how to apply, and how to report.7 lessons · open29Crypto accounting basicsCost basis, fair value under US GAAP, IFRS, and month-end close.7 lessons · open30Crypto tax basicsWhat is taxable, income from staking and airdrops, and records to keep.7 lessons · open
Diploma
Diploma in Web3
Pass all 30 module quizzes, then a 40-question final exam drawn from every module.