Bitcoin is decentralized peer-to-peer digital payments network
Ethereum is smart contract and dapp platform that goes far beyond just a payments network and even money altogether
https://docs.base.org/base-camp/docs/introduction-to-ethereum/intro-to-ethereum-vid

6-3a2 How you have something can (and will) matter more than what (you think) you have (e.g., DEX vs CEX - DEX will counter Maximalists movement)