AirPocket, page-96

I don't know, but I don't envisage this being an issue

They most likely would work through standard banking operations. They have liquidity available in multiple countries in multiple currencies and would distribute funds to selling agents accounts from their pool of money once transactions have been confirmed. By using a pool, you eliminate the amount of transfers that need to be done. Alternatively they could use existing bitcoin exchanges and automated trading to cut down costs further.

I imagine this will be revealed in more detail at product launch. You don't give away all your secrets in a pre-launch announcement.