A Twitter account that has been leaving money around San Francisco says it will be hiding cash in Brooklyn this weekend.

The Twitter account @HiddenCash started hiding money around San Francisco about three weeks ago. The account tweets clues to the location of the money and whoever gets there first gets to keep it.

Initially, no one knew where the money was coming from. But, one of the donors was identified earlier this week as Jason Buzi, a real estate developer. Buzi tweeted, "This is not about money. It has always been about a fun way to bring people together and give back, and put smiles on people's faces. Nothing more, nothing less."