“Punctual trams run quietly along the street out front. It looks like any other office building in Zürich. But inside the nondescript building of SIX Interbank Clearing, a small unit of professionals maintains the list of the world’s currency codes. Last week in that very same building, I had the honor of presenting the bitcoin cryptocurrency to a gathered audience of various bank officials at an e-commerce conference. And I mentioned that the individual, or committee, that endorses and finalizes XBT as the ISO currency code for bitcoin will earn their spot in history next to Satoshi Nakamoto.”
http://www.coindesk.com/bitcoin-gaining-market-based-legitimacy-xbt/