My latest video is going to be a ranked list of ways to make passive income in crypto, so far I have 7, anymore you can add

[fiveboringgames]

lending on binance, flexi, fixed, staking
leading through bitfinex
defi provide liquidity to lending
defi provide liquidity to swap
selling futures
Selling cover options
Ethereum 2 chain

Here's my channel

https://www.youtube.com/channel/UCYjm3f1j5tFKyIkZ8HV078A