BI PRIME: A hot crypto hedge fund keeps poaching talent from Goldman Sachs. : Cryptocurrency hedge fund BlockTower Capital keeps scooping up talent from Goldman Sachs, as Wall Streeters continue to flee big banks in favor of bitcoin firms. Steve Lee, a former portfolio manager at Goldman, is one of the most recent hires by the Connecticut-based hedge fund, which was co-founded by a former Goldman vice president, a person familiar with the matter told Business Insider.