Welcome to the crypto world and mostly the newbies are buying bitcoin and ethereum for the less risk because that coin have a lot of supporters so it is not easy for it to dump the value unlike the other coins who is more risky that can result your money to lost but the more risky the coin the more higher profits you get because also the value is very cheap and once it rise it is very huge profit will come to you at this moment taking risk is needed because even market movement is good it have chances to see again bearish market.