If you are not getting right answers means you are not asking right questions. "How do I earn bitcoin?" is an example of wrong question constantly coming from newbies. If you want to know how to earn, try googling "How do I earn dollars?". I bet you will not find something new. Just get a job, after all. The best answer. Bitcoin is just another form of money, nothing else. You don't have to have deep technical knowledge in order to use bitcoin and earn Bitcoin. Bitcoin is pretty easy to use and earn and, at the same time, it is pretty hard to fully comprehend. No one in the world can claim he completely grasped what bitcoin is. You should't worry about your lack of knowledge regarding interdisciplinarity of bitcoin. Just find something that is interesting for you, personally and start your research.
The best part about bitcoin is that despite its complexity you do not really need to know about all of that to use it effectively, just take a look at smartphones, do people really understand how their smartphones work? Could they fix it if there is something wrong with it? The answer is no to both of those questions and yet people use this technology all the time and it has changed the world in the process, the same is true about bitcoin, as long as people know how to install a wallet on their phone and secure their coins properly that is all what they need to know to begin to use bitcoin effectively.