Blockchain.com, a cryptocurrency exchange and wallet provider, has recently held talks about going public in the U.S. via a special purpose acquisition company (SPAC) listing, according to two people with knowledge of the matter. The company appointed Cohen & Company Capital Markets to advise on a potential SPAC deal, one of the people said, who spoke on condition of anonymity as the matter is private. It's unclear if any talks are ongoing at present. Blockchain.com declined to comment. Cohen & Company C ...