As nobody mentioned it:
The answer is in the sentence that follows at kraken.com, "Now available on Bloomberg Terminal due to customer demand".
https://en.wikipedia.org/wiki/Bloomberg_TerminalThat is, forex traders are able to trade Bitcoin like any other currency and with the tool they are used to.
nope, in the terminal you just get the prices, you certainly cannot trade directly btc (XBT) from there.