I expect Apple will implement a general privacy-preserving arbitrary attribute proof, with age proof just one of the things it could be used for, probably using

I expect Apple will implement a general privacy-preserving arbitrary attribute proof, with age proof just one of the things it could be used for, probably using something similar to the library that Google recently released [1]. [1] https://news.ycombinator.com/item?id=44457390 https://news.ycombinator.com/item?id=44457390