They all do the same thing (peg to the dollar), but in different ways with different tradeoffs. That's the interesting part that you're completely missing. Som

They all do the same thing (peg to the dollar), but in different ways with different tradeoffs. That's the interesting part that you're completely missing. Some are more centralized than others. Some rely on governance more than others. Some allow themselves to drift further from the peg than others. Some are more complex (and therefore more at risk of failure). There's actually quite a lot going on, and I personally find it pretty interesting, but yeah, at the surface, it's a bunch of coins that trade fairly close to $1.