Here in the crypto market, there are many ways to make passive income firstly you can mine crypto not every coin you can mine but still there are a few that can be mined, secondly if you have good capital go for the staking there's a good return based on the platform you are using (there's high risk due to volatility in the crypto market), secondly you can do another thing if you have good capital and that is buy and hold with good buying and profit booking strategy obviously there is some risk as security, volatility etc etc.