Because the TRON (TRX) futures trading market has been launched, a giveaway involving BTC bonus has been announced a short while back.
A promotion period of three days has been given, between May 21st and May 24th, within which the users have to open 10/100/500/1,000 contracts in TRX futures trading market in tiered maintenance margin ratio mode. This will lead to a bonus amount of BTC (which may go up to 4 times).
Up to 1000 USDT can be won. 5 days following the completion of the promotion is when the prize will be awarded. It users are caught controlling multiple accounts, a ban will be placed on their IP
Know more here:
Win a BTC bonus by opening TRON (TRX) futures positions. The more the positions you open, the larger the prize you will win.
— OKEx (@OKEx) May 21, 2019