[hardlianotion]

Thanks for the link - I was aware the government was preparing voluntary ID. I meant the zero proof element specifically as this is the first time I have heard mention of it.

[squidbeak]

These are referenced in the framework guidance (which is iterative) intended for DVSs. Here for instance:

https://www.gov.uk/government/publications/uk-digital-identi...

If you want a technical explanation of how they work, you will need to loose elsewhere.