Or some reforms could be on time of Burebista(is widely considered to be the greatest king of Dacia) he lived between 111-44 BC and ruled for 38 years betwen 82-44 BC .
In that time Burebista makes a new coin because the trade gets to astonishing levels.
The greatest priest and adviser of Burebista was Decineus(Deceneus) who held "almost royal powers" and taught the Dacians the belagines laws, ethics and sciences, including physics and astronomy.