[jyl]

It is just the standard Bloomberg terminal keyboard.

Bloomberg has used a proprietary keyboard for many years, but it was just a matter of some custom keys, in fact you could use an overlay for the same effect. So you could install Bloomberg on a shared PC and everyone in the office could use it. Bloomberg didn't like this, so they started including fingerprint readers in the keyboards so that each Bloomberg account is tied to a specific person. A Bloomberg subscription costs about $20K/yr so they are highly motivated to make sure every user buys one.

Edit: there is a "kiosk" subscription of Bloomberg, I assume they must block some of the more useful functionality, not sure.