https://www.reuters.com/article/us-cme-group-bitcoin/cme-to-launch-bitcoin-futures-in-push-for-currencys-wide-adoption-idUSKBN1D01UG >CME Group Inc , the world's largest derivatives exchange operator, said on Tuesday it will launch a futures contract for bitcoin later this year, marking a major step in the digital currency's path toward legitimacy and helping propel it to a fresh record high.