Cantor Fitzgerald & Co., the broker ... Tillman says he isn’t sure that the entry of new players will significantly expand the market. The private market exchange could be a $7 billion market ...

An affiliate of Cantor Fitzgerald LP is teaming ... contribute $1.5 billion of Bitcoin to the new company, while Bitfinex, a Tether-affiliated exchange, and SoftBank plan to put in $600 million ...