Sources

We credit the sources behind our lessons. Each area also lists its own sources on its Sources page.

Crypto reference sites

• CoinMarketCap
• CoinGecko
• CryptoRank
• CoinDesk

Live prices and news are not shown on this site yet. They will return once each source's terms of use have been checked.

Other areas

See the Sources page inside each area: Crypto, AI, Tech, Fitness, Finance, News.

Fonts

This site uses two free fonts, Bricolage Grotesque (designed by Mathieu Triay) and Atkinson Hyperlegible (created by the Braille Institute). Both are released under the SIL Open Font License 1.1.