Earlier quoted context omitted.
No, it is Square Up. See https://squareup.com/market
I know, I just pointed that out. 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.
There is no company called SquareUp.
Square's website is squareup.com, and their Square Market product is now accepting Bitcoin. See squareup.com/sell-online for reference.