The BTC and the ETH could change your life. By looking at the BTC have an advantage that is very much. The BTC was able to affect prices of all Altcoin. And with this being the second coin ETH are able to influence the development of all Altcoin. And am I recommend to invest in BTC and ETH.
Agree, bitcoin and ethereum are the most stable coins compared to others, this is what makes users always make ethereum and bitcoin the top choice, and of course bitcoin and ethereum are the standard price and development of crypto.