Facebook has only banned the paid advertising of cryptocurrency. Which is fine as I get sick of seeing them when I do occasionally jump on Facebook. You or anyone else can post or share crypto stuff on your timeline so bounties etc will not be effected.
So as long as you don't make a paid ad for cryptocurrency nothing changes.
True. It gets suffocating many times. You browse the news feed and you will keep on seeing advertisements with full of dirt.

Once you followed or liked one of them, they are going to swarm you with a lot more and there is no stopping it (or I just dont know how). But the thing is, that should not be like that. They looked like a blog with full of paid advertisement everywhere and you cannot read the contents of the page anymore.