Hi! Welcome on Steemit! :)
if you would like to to learn about cryptos, then allow me to recommend you few accounts which are worth to follow:
@kingscrown - post about news from crypto-currencies world
@marketingmonk - news about crypto + intresting discussion in form video
@heiditravels - heidi has a show "Crypto Tips"
@themerkle - official and quite new account of http://themerkle.com/
of course you should also consider following few account which are really important to people on this platform:
@dantheman - profile of Dan Larimer, founder and creator of Steemit (greatest crypto ever! ;P)
@ned - CEO and co-founder of Steemit
@steemitblog - official blog of Steemit