In cryptocurrency space the term Moon is used when referring to a sharp rise in the price of a cryptocurrency or the cryptocurrency market in general. The frequently asked question “When moon?” or “When will Bitcoin moon?” refers to the point in time when the price of a cryptocurrency reaches unimagined new heights and “goes to moon”.
A term used in a similar way in this context is Lambo and the related question “When lambo?”.
See also: Shitcoin, Memecoin, Bounty.