[jvm]

> How is Square/Stripe getting around the issue that most exchanges wait for 6 confirmations before a transaction is accepted?

How do you know they're not getting 6 confirmations? They could just give you a confirmation screen, wait for 6 confirmations, then cancel the order in the rare event that it fails.

[kevinchen]

They seem to imply this in the blog post: "We will continually monitor this address throughout the checkout process so we know when it has received payment."