"Stable" does not need to be synonymous with "pegged". Have a look at feron.io - it is an algorithmic monetary policy design that “resist change” in its coin’s

"Stable" does not need to be synonymous with "pegged". Have a look at feron.io - it is an algorithmic monetary policy design that “resist change” in its coin’s price irrespective of the absolute price level. As a result, it requires no exchange rate measurement. It imports no information onto the chain at all, and instead infers what is happening in the outside world from users' on-chain behaviour.