What are the most profitable assets to generate passive income?

Thanks to technological advances, it is increasingly easy for anyone with considerable capital to invest in assets that generate passive income, however, it is necessary to know the means of income that will be used, currently the most popular are the following:

Investment in cryptocurrencies

Undoubtedly, cryptocurrencies are one of the most popular assets of today, this is due to the exponential increase in profitability demonstrated by multiple cryptocurrencies in recent years, however, most cryptocurrencies have a rather unstable value, which can lead an investor to earn a lot of money or vice versa; It can lead to losing everything.

The key to cryptocurrencies is to know when to buy them and wait for the right time to sell them. In addition, it must be borne in mind that in this market it may be difficult to predict the value of the asset, due to the aforementioned instability.