Goldman Sachs has formally kicked off the cryptocurrency trading era on Wall Street. The bank informed its markets personnel on Thursday that a newly created cryptocurrency trading desk had successfully traded two kinds of bitcoin-linked derivatives, according to an internal memo obtained exclusively by CNBC. The crypto team exists within the firm’s global currencies and emerging markets trading division, reporting to Goldman partner Rajesh Venkataramani, who authored the memo, and is part of the bank’s overall digital assets effort led by Mathew McDermott. Goldman Sachs, a dominant global investment bank for trading ... (full story)