Firstly if you are following this project you really need to join the telegram group here https://t.me/Bcnex_Official
Join the news channel here https://t.me/Bcnex_News

Secondly the trading competition is active in the BCNEX exchange platform and not in any external exchange check here https://www.bcnex.net/trading-competition.html?lang=en

Obviously, they have got a working platform already