Courses
Free crypto courses, in order
5 courses built from our 123 lessons and guides. Tap Mark complete at the end of each lesson. Your progress, streak and certificates live in this browser. No account needed.
The Beginner Core · 10 lessons
Ten short lessons in order: wallets and keys, how a move works, and how to stay in control.
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- Lesson 1: The tool that holds your keys
- Lesson 2: What a key is
- Lesson 3: The words that can rebuild your keys
- Lesson 4: The shared list everyone can check
- Lesson 5: What a transaction is
- Lesson 6: What a network fee is
- Lesson 7: What an exchange is
- Lesson 8: What not your keys means
- Lesson 9: What hurry and secrets look like
- Lesson 10: How to keep learning
Wallets and Keys · 18 lessons
Custody, seed phrases, hardware wallets and the habits that keep your keys yours.
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- What is a crypto wallet?
- How does a crypto wallet work?
- What is a public key?
- What is a seed phrase?
- How to store a seed phrase safely
- What is self-custody in crypto?
- What is a crypto custodian?
- Hot wallet vs cold wallet
- What is a hardware wallet?
- How to choose a crypto wallet (a checklist, not a pick)
- What is 2FA in crypto?
- What is a passkey, and does it help with crypto security?
- What is a bitcoin address?
- What is a multisig wallet?
- What is a paper wallet?
- What is a seed phrase passphrase (the 25th word)?
- What is a watch-only wallet?
- What is the BIP 39 word list?
Scam Defense · 23 lessons
How the common scams work, the red flags, and what to do in the first hour.
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- How to spot a crypto scam
- What is crypto phishing?
- Pig-butchering (relationship investment) scams
- Fake crypto support and impersonation scams
- Fake crypto exchange and trading apps
- Crypto recovery scams
- Crypto job and “task” scams
- What is a crypto giveaway scam?
- What is a SIM swap?
- What is a token approval?
- How to check and revoke token approvals
- What is a wallet drainer?
- Fake airdrops and approval drainers
- What is address poisoning?
- What is a crypto pump and dump?
- What is a crypto QR code scam?
- Sent crypto to the wrong network? What to do
- What is a bitcoin ATM?
- What is a crypto clipper (clipboard malware)?
- What is a crypto mixer?
- What is a dust attack?
- What is a honeypot crypto scam?
- Crypto ATM (Bitcoin ATM) scams
How Blockchains Work · 40 lessons
Blocks, fees, forks, networks and explorers, explained without the jargon.
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- What is cryptocurrency?
- What is blockchain?
- What is bitcoin?
- What is a block in blockchain?
- What is a hash function in crypto?
- What is a digital signature in crypto?
- What is a blockchain network?
- What is a mempool?
- What is a blockchain confirmation?
- How long does a bitcoin transaction take?
- What is a blockchain explorer?
- How to read a transaction on a block explorer
- AI agents and crypto: what they are and the risks
- Quantum computing and Bitcoin: what could break
- What is a 51% attack?
- What is a block reward?
- What is a blockchain oracle?
- What is a DAO in crypto?
- What is a hard fork?
- What is a layer 2 (L2)? Rollups explained
- What is a nonce in blockchain?
- What is a soft fork?
- What is a UTXO?
- What is a validator in crypto?
- What is a zero-knowledge proof?
- What is an ERC-20 token?
- What is Dogecoin? How it works (no price talk)
- What is hash rate?
- What is SegWit?
- What is Solana? How it works (no price talk)
- What is Taproot in bitcoin?
- What was the Ethereum Merge?
- What is wrapped bitcoin?
- What is XRP and the XRP Ledger? (no price talk)
Money, Taxes and Rules · 32 lessons
Stablecoins, taxes, estates and the rules by country. Plain English, official sources.
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- What is fiat money?
- What is a stablecoin?
- Is crypto FDIC insured?
- How to choose a crypto exchange (criteria, not picks)
- What is proof of reserves?
- What happens if a crypto exchange goes bankrupt?
- Is trading one crypto for another taxable?
- What is cost basis in crypto?
- Form 8949 for crypto: what it is
- What is Form 1099-DA?
- US crypto rules and taxes: a plain-English map
- Are staking rewards taxable?
- Do you pay tax on gifted crypto?
- What happens to crypto when you die?
- What is a DEX (decentralized exchange)?
- What is a liquidity pool?
- What is an ICO (initial coin offering)?
- What is dollar-cost averaging?
- What is impermanent loss?
- What is MiCA (EU crypto regulation)?
- What is slippage in crypto?
- What is the digital rupee (e₹)? CBDC vs crypto
- What is the GENIUS Act?
- What is the Howey test?
- What is the crypto travel rule?
- What is USDT?
- Colombia crypto rules: SFC, DIAN and Banco de la República
- EU crypto rules: MiCA and the travel rule
- India crypto tax: 30% tax and 1% TDS explained
- Mexico crypto rules: Ley Fintech, Banxico and SAT
- UK crypto rules: FCA registration and promotions
Beyond the Basics · 15 lessons
DeFi, layer 2s, chart literacy, market structure, ETFs, global taxes and rules, tokenization, AI scams and onchain analysis. Education only, no picks.
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- How crypto lending and liquidations work in DeFi
- What is an automated market maker (AMM)?
- Where does DeFi yield come from?
- Optimistic vs ZK rollups: how layer 2s prove their work
- What is a crypto bridge? How it works and why bridges get hacked
- How to read candlestick charts (literacy, not signals)
- Moving averages, RSI and volume, explained (no signals)
- How crypto order books, spreads and market makers work
- What is a spot bitcoin ETF? ETF vs owning coins vs exchange balance
- What are crypto futures, perpetuals and leverage?
- Crypto taxes around the world: UK, Canada, Australia, India and more
- Crypto rules around the world: Hong Kong, Singapore, UAE, Japan
- What is tokenization of real-world assets (RWAs)?
- AI deepfake crypto scams: fake voices, faces and experts
- What is onchain analysis? Reading wallet flows and spotting rugs
Going Deeper · 10 lessons
Stablecoins, staking, MEV, governance, crypto history, business treasury, smart contracts, careers, NFTs and advanced wallet security. Education only, no picks.
See the lessons
- How stablecoins keep their peg (and why some break)
- What is crypto staking, and how does liquid staking work?
- What is MEV? Front-running and sandwich attacks explained
- How crypto governance and DAO voting work
- A short history of crypto: from the white paper to today
- Crypto treasury basics for businesses: custody, controls and records
- What is a smart contract? A plain-English guide for beginners and builders
- Careers in crypto: roles, skills and how to avoid job scams
- What are NFTs used for beyond art? Tickets, memberships and more
- Advanced crypto wallet security: multisig, smart wallets and signing safely
How it works
- Each lesson takes about five minutes.
- Finish every lesson in a course and its certificate unlocks on the certificate page.
- Progress stays on this device. We never see it. Clear your browser data and it resets.
- Every course is free. No card, no account.
Education only. Not investment advice. We do not pick coins.
