How can stablecoins evolve to avoid all potential regulation (well not all- not msb stuff), but avoid the most focused on type of incoming regulation talk- which is the backing - or they assets that give value to the token. The regulators do not even care about the promise side of the stablecoin product...

Study the dollar and its history with gold.

Study why the dollar still was accepted after the link to gold severed. 

Frank Shostak article ---- that explains why the dollar is still accepted--- because it was accepted in the past -- because it had a link to gold.

I predict the same thing to happen with stablecoins--- because stablecoins were once backed by dollars, stablecoins that aren't backed by anything will be accepted in the future because they were once accepted in the past. 

The evolution probably wont come from a no name new algo stablecoin-- but from Tether with a lot of clout... probably from a centralized stablecoin issuer that once did accept dollars for stablecoins. 

One of Frank Shostak articles-

https://mises.org/wire/why-does-money-have-value-not-because-government-says-it-does