Hi guys , what do you most prefer , holding bitcoins or buying altcoins which is have a good technology and for long term investment ?. I'm a little bit doubtful  where should i stand on . I'm not rich enough to buy and hold this coins at the same time.However I'm trying to figure out which of the  two much better . bitcoins have a old technology in blockhain compare to altcoins now which is they are more advanced but the prices  varies so  what your insight about this ?