School / Module 1

Crypto-asset Fundamentals

You understand what a blockchain is, how Bitcoin, Ethereum and stablecoins differ, who really holds your assets and how to verify any transaction.

1. 1 What Money Is and What a Blockchain Solves After this lesson you know which problem a blockchain solves, what you gain from having no central intermediary and what you give up in return. 7 min
2. 2 Bitcoin and the Idea of a Limited Supply After this lesson you know how new bitcoins are created, why there will be at most about 21 million of them and why a limited supply alone does not guarantee a rising price. 7 min
3. 3 Ethereum, Smart Contracts and Tokens After this lesson you know what a smart contract is, how a token differs from a coin and why you usually need the network’s coin as well to send tokens. 7 min
4. 4 Stablecoins After this lesson you know how stablecoins keep their link to a currency, how that link can break and which risks they carry even when they are worth exactly $1. 7 min
5. 5 Wallets and Private Keys After this lesson you know what a wallet really stores, how a custodial wallet differs from a self-custody wallet and what responsibility you take on in each case. 7 min
6. 6 How to Read What Happened on the Network After this lesson you can find a transaction in a block explorer, read its status, fee and number of confirmations, and work out for yourself where the money got stuck. 8 min