I would call this model - Decentralized Feudalism
(But as well I would apply this model to many other cryptocurrencies, as I like the saying that we are now entering New Middle Ages)

One of the features of Decred is its governance system - Politeia
But only big holders can vote, as ticket price is over $2000 last time I counted DCR rate, may be now little bit less.
And this amount I consider "big" as per personal investment in crypto (of course it's nothing for early adopters or institutions)