It's already a usable currency. You overpay the fee to get your transaction confirmed in the next average 10 minutes. You use lightening (though support is stil

It's already a usable currency. You overpay the fee to get your transaction confirmed in the next average 10 minutes. You use lightening (though support is still limited) to have cheap and fast confirmations and you settle later. Also, it's still faster and cheaper than an international SWIFT.