https://www.squaremarket.com/about <- Ghetto-ass Bootstrap site made by Oxford grads, using weird concept of 'squares' that you buy to win the auction. No mention of any relation to 'square' of 'square device iPhone POS' fame.
Looks like you're right, I have no idea where 'https://www.squaremarket.com/about' came from. It looks like they have a product with the same name and something got confused somewhere.
I think people don't realize I'm responding to the parent, which stated:
> How is Square/Stripe getting around the issue that most exchanges wait for 6 confirmations before a transaction is accepted?
Square isn't doing anything with Bitcoin. SquareUp is.