> Is it just for payments where both sides use Coinbase? That sounds ridiculous, but that's what I see on the picture. No it isn't. The user clicks "send with

> Is it just for payments where both sides use Coinbase? That sounds ridiculous, but that's what I see on the picture. No it isn't. The user clicks "send with Bitcoin address", the same as they always have, in order to initiate this flow. Paying from Coinbase to Coinbase uses the other flow, usually.