Decred was founded in 2016, but its roadmap was kept secret from the public in the first quarter of 2017.
The development team makes every effort to keep up with its RoadMap. The coin is only 2 years old, but it already enters the TOP-30 in the global ranking based on Marketcap volume.
The symbiosis of PoW and PoS protocols is not unique in the market, but in this case you can get good results because you can solve many problems and bring coins into a new dimension