> Fluctuation-resistant - Avoid exchange rate hassles—specify amounts in USD and we’ll send you dollars. I don't think I fully understand this part. Does the

> Fluctuation-resistant - Avoid exchange rate hassles—specify amounts in USD and we’ll send you dollars. I don't think I fully understand this part. Does the exchange rate remain static for a period of time, or do they just mean to say it's automatically converted for you? If the latter, how is this fluctuation resistant. Regardless, I'm very happy. Been waiting for this to come out of beta.