Im far from economics n tech side...but take a look at those articles here
https://steemit.com/crypto-news/@steempower/nubits-not-a-price-stable-currencies-and-bc-exchanges-nbt-based-development-fundNubits n tether is a kind of trust in my opinion....bitshares works with strong collateral.....
Of course Im a supporter of bts n bitusd bitbtc
But take a look at nubits forum n bitsharestalk to make your mind, of course if a a pegged asset survives in big volumes n market depression with perfect peg it gives credibility