Crypto basics
What blockchain and cryptocurrencies are, how exchanges and wallets work, how to keep your account safe and what trading really means.
5 modules · 18 lessons · 67 min
Risk warning
This course is educational and is not investment advice. Trading crypto is highly risky – you can lose all the money you put in. Read the risk warning
Who it is for
Complete beginners who have never bought a cryptocurrency or want to understand what they bought.
What you will learn
- Explain what a blockchain and a cryptocurrency are
- Choose an exchange and a wallet and keep your account safe
- Read a basic candlestick chart
- Know the real risks of trading before you start
Course outline
Module 1Money and blockchain
- 1.Why cryptocurrencies at allWhich problem of digital money cryptocurrencies solve – and why a bank used to be needed for it.4 min
- 2.What is a blockchainA shared record of payments that nobody can quietly rewrite – and why it works without a bank.5 min
- 3.How a transaction worksWhat happens after you click Send: the signature, the waiting room, fees and confirmations.4 min
- 4.Mining and stakingWho writes new blocks, why they do it and why cheating does not pay – proof of work and proof of stake.4 min
Module 2Bitcoin, Ethereum and the rest
- 5.BitcoinWhy there are only 21 million bitcoins, what the halving is and why it is called digital gold.4 min
- 6.Ethereum and smart contractsA blockchain that runs programs: smart contracts, tokens, DeFi and NFTs – and their risks.3 min
- 7.Stablecoins, altcoins and memecoinsThousands of cryptocurrencies besides Bitcoin: what stablecoins are for, what altcoins are and why memecoins are a lottery.5 min
Module 3Exchanges and wallets
- 8.How an exchange worksThe order book, buy and sell prices, order types and fees – what happens when you click Buy.4 min
- 9.Choosing an exchangeMiCA licences, identity checks, fees and red flags – and what happened to the FTX exchange.3 min
- 10.WalletsA wallet on an exchange or your own, hot or cold – and why the seed phrase is the most valuable thing you have.4 min
- 11.Your first purchase, step by stepFrom choosing an exchange to storing coins safely: how to make your first crypto purchase without needless mistakes.3 min
Module 4Security
- 12.Account securityStrong passwords, two-factor authentication and defence against phishing – three locks that protect your crypto.3 min
- 13.The most common scamsGiveaways, fake support, pump and dump, rug pulls and romance scams – how to recognise them and not fall for them.4 min
- 14.Records and taxesWhy to record every trade, an example of how a country taxes crypto (the Czech rules from 2025) and what the EU's DAC8 changes.3 min
Module 5What trading is and its risks
- 15.Investing vs. tradingLong-term investing, regular purchases and short-term trading – how they differ and what the data says about day traders.3 min
- 16.Reading a candlestick chartCandles, timeframes, trends, support and resistance – the basics of reading a chart, and what a chart cannot tell you.4 min
- 17.Managing riskPosition size, stop-loss, the reward-to-risk ratio and why leverage is the fastest way to lose everything.4 min
- 18.What nextA recap of the whole course and the next steps: practising without money, a trading journal and what to learn next.3 min