Usuri Brightcoin

Usuri Brightcoin is a goblin found in the Underbelly beneath Dalaran next to the banker, Binzik Goldbook. During the purge of Dalaran, she was in a defensive pose.

Currency Conversion
After the patch 4.0.1 currency conversion, Usuri Brightcoin sends players a letter containing the gold that their old currency was converted to.

Trivia

 * Her name is likely a reference to the term.