- What can Ethereum actually do beyond just act as money?
- Summarizing five major categories of Ethereum dapps (decentralized apps)
- Ethereum use case #1: oracles, for pulling in information from outside the blockchain. And, how oracles know which sources to trust, and how that's very different from traditional apps
- The difference between tokens and coins, ERC-20 tokens, and wrapping your head around the fact that Ethereum tokens are both cryptocurrencies as well as the actual things that keep apps and protocols running
- Ethereum use case #2: DEX's, for exchanging one coin or token for another. And, the difference between DEX's and CEX's

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The corresponding blog post with links and images:

https://www.michaelcaloz.com/2021/06/12/cryptocurrency-part-8-coins-vs-tokens-and-some-real-ethereum-use-cases-oracles-and-dexs/