For a biginner i will suggest you go for BTC ,eth and XRP i believe these are excellent and safe coin in the crypto market and you will get excellent profits.
Week :18/02 to 24/02 Facebook Campagin Bitcointalk Profile Link: chikucrypto Your Number on the Spreadsheet: 14-387 Facebook Link: https://facebook.com/rajvir.chopra.90
Waves is a very good coin in the crypto market and it has good potential but it is still in known to most people because the marketing of the waves is not very good.I think it is the big reason.
I belive that cardano can not replace with ethereum because etherum has great volume and and people believe in ethereum more tha cardano. On the other hand cardano is not growing well.