To generate passive income is to invest in business ventures, but with the condition that you are a silent partner in the business. Of course this idea is risky, but with the risk there is a high probability of obtaining high returns. But of course there are many ways to reduce the risk in this case. For example, you can invest small amounts in several companies.
You have to be smart in choosing the projects that you will invest in, and you must be careful and conscious, so that the enthusiasm for one of the ideas or projects of one of your friends does not push you to invest in them without giving them enough time to study the idea. It is also okay to consult experts before making your purchase decision, especially if you are about to invest in pioneering projects that do not have clear growth laws and come with a lot of risks