CME’s bitcoin futures are now being sold by United Kingdom-based interdealer broker TP ICAP
Source: https://cointelegraph.com/news/bloomberg-uk-interdealer-broker-tp-icap-to-sell-cmes-bitcoin-futures
Bloomberg: UK Interdealer Broker TP ICAP to Sell CME’s Bitcoin Futures
June 17, 2019
CoinTelegraph