Guides & courses

Free editorial tutorials first — then premium courses with lifetime access.

Guide articles

Our courses

Premium short courses · 5 languages · luxury packaging

Level 1 · Beginner

Bitcoin basics

What BTC is, how wallets work, and how to buy safely

€39 · 45 min

Level 2 · Beginner+

USDC, USDT, reserves, risks, and real use cases

€29 · 40 min

Level 3 · Intermediate

ETH, gas, tokens, and how dApps actually work

€59 · 60 min

Level 3 · Intermediate

SOL, fees, memecoins, and on-chain culture

€49 · 50 min

Level 4 · Advanced

Lending, AMMs, LP risks, and reading APYs honestly

€69 · 70 min

Level 5 · Expert

Hardware wallets, phishing, approvals, incident response

€99 · 80 min