Imagine that all your health information was in one place: easy, with your permission, for anyone anywhere in the health service to see. That your passport, driving licence, anything you need to prove your identity, were in one simple digital wallet, unique to you. That you could purchase and pay for any goods or services using your Digital ID.

https://www.independent.co.uk/news/uk/politics/tony-blair-digital-id-immigration-nhs-b2663129.html