Do I need to learn all about cryptocurrency or just about steem and its value to the dollar?
It depends how much time you have! I would recommend learning all about bitcoin, altcoins and cryptocurrencies because I believe it is the future. You can make some big money in investing, at the moment, as it is not controlled by governments and big organisations. Bitcoin is decentralised, no one owns it so it takes power away from governments and corporations. It is all totally user driven and miner driven. There are lots of videos on YouTube to watch.
ohhhh... kudos to you @rufaz, you are so responcive. And helpfull. 4 comments.... Just to show how much i love to see this, i have upvoted this your comment with my 100% power. Keep it up !
Also this may serve as a good example to OP, how commenting may be good to you. :)
OMG!!! Thank you so much x