From PPI
Use cases:
- Authenticating in governmenmet services:
- Paying taxes on-line.
- Accessing government records about yourself.
- Authenticating at private websites:
- online banking
- authorization for various services: attesting citizenship, age, tax status, etc
Requirements:
- secure
- as private as possible:
- attesting age without disclosing identity
- the transaction is private to the parties involved and not disclosed to the third party providing the identity infrastructure
- allowing usage of pseudonyms
https://en.wikipedia.org/wiki/EIDAS
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Examples:
Facebook Connect - lets you use your fb reputation on other sites, the problem is Facebook gathers all the data
