So what exactly is the purpose of having coins?

It's explained here

https://similarworlds.com/coins

It looks like they are going to have games and gifts like EP had in the beginning. And you'll use those coins to buy virtual gifts and/or advantages in games they are going to provide.

Equipment for your avatar!

buy pictures of things like flowers or smiley face or hug that you can send people on their white board. its pretty unnecessary

We get coins on here?

bragging rights

To break us up into different economic groups. The rich will flaunt it, the poor will panhandle, and the middle will sit and wait for a monthly allotment they were promised.

"Don't bite the hand that feeds you"

"Don't look a gift horse in the mouth"

"Don't tug on Superman's cape or spit into the wind."

Coins are FUN !

not sure, but hope we can pay Charon with SW coins for that boat trip through the underworld...

I'm assuming we get a whiteboard soon. Whiteboard=send gifts to each other.

There's an explanation. Click on the coins and see what it says about it.

actually we can use it to send gifts when they get it set up

You can use them to buy sw whores

To exchange for goods and services.

An attempt to get you to read ..