OKEx Contract Market Crosses $2.4 Billion in Daily Trading Volume #eth #altcoin #fintech https://t.co/nDmqv8E4Xt https://t.co/uuW00DzfSH OKEx Contract Market Crosses $2.4 Billion in Daily Trading Volume #eth #altcoin #fintech https://t.co/nDmqv8E4Xt https://t.co/uuW00DzfSH coinspectator OKEx