1, 2, 5 are very common. 3 and 4 are arguable. What are skills in a world which acts according to randomness. Of course skills can be those where you are good at identifying future stars etc. Technical analysis can also be a skill, but that is a highly debated method. With risk management the best decision would be to stay away from cryptocurrencies and go to the stock market, but the best risk management in crypto is to just find out about what you are investing in and invest the amount that you can loose. Just my two cents :)