content: Chabad.org: The Rebbe, of righteous memory, stood for hours distributing dollars and blessings to thousands of people every Sunday, and on other occasions. The Rebbe’s intention was that the recipient should give the dollar to charity. In this way, explained the Rebbe, when two meet, it should benefit another. Usually, instead of giving the actual dollar bill to charity, the recipient would keep it and give away another dollar in its place.  [more Rebbe dollars]