OKEx official news, OKB complimentary 250 million universal points to give back users, activities in three phases, the first phase from the March 19 at 12:00. The event is in the form of an appointment in the form of a lottery. Users must use the USDT/BTC/ETH appointment package. After the appointment is successful, the corresponding number of USDT/BTC/ETH will be frozen. When the result of the event is announced, the amount of the corresponding USDT/BTC/ETH is deducted according to the number of packages purchased, and the partial unfreeze is returned to the user.