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ANDRAS VILMOS's avatar

IMHO you may not need a single wallet for all potential purposes. It may be too complex, too complicated, too user hostile. There are credentials which you may use daily, and others which you only use once in a while. You do not need to keep them together. Especially that credentials and use cases have different transaction specifics ,there are no homogenous user journeys which would demand one uniform approach, UI, etc.

You may consider the mobile phone as the wallet. And have single purpose or multi purpose wallet applications therein. A bank will value a banking wallet more with additional banking functions and self-branding than a multi purpose wallet where you can also store your diploma or birth certificate, next to your bank card. Some credentials need more privacy and security than others. Combining them into a single wallet may either compromise the real sensitive ones or unnecessarily inflate the cost of the of those which could be satisfied with lower level security.

There are only two points where the global ecosystem needs to be considered, and these are crucial. Delivery (provisioning) and presentation of credentials. In these two aspects full interoperability, transparency and uniformity is needed for all other aspects generic or purpose built wallets could finely coexist.

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