This worker is good only if wirex are willing to create a "BitAssets" stablecoin alternative to how much account holder is handling at their end, this will let Wirex users to exchange between BTS and Wirex "BitAssets" stablecoin and withdraw "BitAssets" by cards at any time.
This has to be discussed with Wirex, and the integration for this from their side is not complex.
OTHERWISE IT WILL BE JUST ANOTHER LEGACY COIN FASHION LISTING AT CEX