Greg Brockman from Stripe said this is exactly what it would take for BTC to take off commercially a year ago:
(after discussing why regular people probably don't want to store value in BitCoins)
> However, Bitcoin has huge potential as a way to transport value. It’s surprisingly difficult to move money today ...compounding the issue, value transport becomes especially challenging as soon as there’s a regional border involved.
> Cryptocurrencies have given us a real opportunity to solve these problems.
Why couldn't the user buy the bitcoin in dollars moments before, using the same price-stabilizing mechanism? Could an exchange engage in both operations simultaneously somehow as a sort of market-maker?
(after discussing why regular people probably don't want to store value in BitCoins)
> However, Bitcoin has huge potential as a way to transport value. It’s surprisingly difficult to move money today ...compounding the issue, value transport becomes especially challenging as soon as there’s a regional border involved.
> Cryptocurrencies have given us a real opportunity to solve these problems.
https://stripe.com/blog/bitcoin-the-stripe-perspective