What are the currencies in these forum?

[alexordaff]

I'm new on this forum and I see many people making deals with something called IGM? and I also have seen something like TGM. What are these?

 

[JKDOS]

On this website, you get bells for posting, and getting likes. They can be used to buy collectables. Look under your avatar, you have 10 bells

 

[Spooky.]

TBT - Forum bells you get when you make a post, you can trade these with people, they're under your icon

IGB - In game bells, meaning regular bells in your ac game