This project is still born because they are missing a federated accounting and payment service at the heart of the platform.

Why? Because it's damn near impossible to deliver such feature for dynamically orchestrated services from a federation of providers.

Sovereignity, interoperability, compliance is a nice sales pitch. But it seems that when it comes to getting paid or paying you are on your own. Imagine trying to pay for hundreds of services from companies spread across dozens of countries...