[ProCap BTC Submits S-4 Form to U.S. SEC Seeking Listing, Discloses Unrealized Gains of Over $60 Million on BTC Holdings] Odaily Planet Daily reports that Bitcoin treasury company ProCap BTC has submitted an S-4 registration statement to the U.S. Securities and Exchange Commission, seeking approval for a merger with Nasdaq-listed company Columbus Circle Capital Corp I (BRR). According to the disclosed information in the application documents, the 4,950 bitcoins purchased by the company in June of this year have currently generated over $60 million in unrealized gains. (Prnewswire)