Indeed. Once your keeping coins for a long time, you must need to make sure that the coins are safe, that you choose the right coins which will give you the profit that you need. You must also know how to read market especially there is always changes in prices which will help you think what strategies you must need to do especially your investing for a long term. Knowledge is very important in trading. You must also need to have patience since it is a long term investment. I suggest Bitcoin, Ethereum and BNB, it is good for a long term investment and safe.