<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.binance mkurugenzi mtendaji changpeng zhao alisema kuwa binance wa mapato wa kipindi cha kwanza ilikuwa ni 300 milioni na kwamba fedha imeongezeka tangu julai 2017, wakati jukwaa kisha china kulingana kufunguliwa kwa ajili ya biashara.  <response>: binance ceo changpeng zhao said that binances first-half revenue was 300 million and that the exchange has grown rapidly since july of 2017, when the then china based platform opened for business. 