I advise you to invest by buying ETH, XRP, LTC, BNB, EOS, XLM.
I think those coins really have very good prospects for next year. With the daily transaction volume which is stable until now and continues to survive in the top 10 coin marketcaps. The owners of the coins also continue to develop their platforms. Each of them has its own advantages. You can learn it one by one to be more confident.