Neopoints
From NeoPets Guild
Neopoints, or NP are the virtual currency in the NeoPets world. There are many ways to earn NP (see help:helpful hints). There are also many ways to use or spend them. Although Neopoints are not real money there are several sites that illegally sell neopoints. If someone asks you for real money, they are trying to scam you.
If someone says "I'll pay 4k." it means that they'll give you 4,000 neopoints. Another example is 1,000k=1,000,000. So basically k means 1,000.
There is a second currency which you can buy with real money. See Neocash for more information.
