Kraken Learn is an educational effort by the Kraken team to teach everyone about Blockchains and Cryptocurrencies. Their knowledge hub has tons of resources on topics such as Crypto- and Blockchain basics, Crypto Security, DeFi, NFTs and more.
Protip: If you're completely new to Crypto you should definitely check out the "Crypto 101" video series taught by Kraken CEO Jesse Powell.
- Kraken