If they are able to beat the interbank rate it means they are either buying the currency from someone below market value (in which case that person is being shafted) or taking on Forex risk themselves.
> Strike maintains a live Forex rate and compares that to its own rate before every transaction. However, in our testing, a Strike international transfer has never been done at an unfavorable exchange rate when compared to Forex rates. Shockingly (or maybe not) it was even cheaper sometimes, exposing the flaws and lag in Forex rates and how they are used. Bitcoin, as the most liquid, globally transferable asset is already acting as the new world reserve currency with Strike.