Q: Context: In WWE storyline, the concept for the Money in the Bank match was introduced in March 2005 by Chris Jericho. Jericho then pitched the idea to Raw general manager Eric Bischoff, who liked it and promptly began to book the match for WrestleMania 21. Edge won the inaugural match and held the contract until New Year's Revolution in January 2006. There, he cashed in his Money in the Bank contract against WWE Champion John Cena, who had just successfully defended the title in an Elimination Chamber match. Edge defeated Cena to become WWE Champion.

Question: who won the first money in the bank?
Let's give stream of consciousness below
To answer the question, consider the following: Edge won the inaugural match and held the contract until New Year's Revolution in January 2006. So the answer is Edge.