Fact
Clay Stone told Asian press in a joint written interview (4Gamers Taiwan, Oct 8; unwire.hk, Oct 9; relayed by Wowhead) that the GDKP ban applies only to North America and Europe. Other regions still allow GDKP, the same regional policy as Season of Discovery and the Anniversary realms. In the same answer he said characters will earn more gold through normal play than in original Classic, and that vendors selling some materials put a ceiling on prices: Black Lotus stays tradeable on the Auction House, but its vendor price caps it (50 gold per Wowhead).