Hidden Wiki is the name of the main wiki that uses onion link. It's not a scam and I've visited it every couple years for a decade, though there are several scam sites like that.
Moreover, intelligence is not the same as wisdom, which is not the same as knowledge.
You do not need to be above average to succeed. Lifestyle, discipline, and understanding HOW to study are far more important at your stage.
Look into memory palaces, that might help. Also, successful (in this case, i.e., smart) people have a set timeframe every day to study, they don't study arbitrarily.
You're already ahead of most of the world's population.
To each their own. Good luck!