Cryptocurrency, blockchain, Bitcoin, Dogecoin, Ethereum, Shiba Inu, whatever, the whole cryptocurrency thing can be a mess to understand. Matt Levine at Bloomberg has the best guide I’ve found to explain it all. It’s straightforward, well laid out, and about as easy to understand as it gets. Sadly, it’s behind the Bloomberg paywall, but still highly recommended.
https://www.bloomberg.com/features/2022-the-crypto-story/#xj4y7vzkg