It's Sesam's business NOT to know!
Sesam is a totally private and perfectly simple access method replacing the unsecure username and password. Ultimate user friendly and privacy-secure whilst achieving the highest security (NIST/Stork) levels.
More technically explained; Sesam is an anonymous (2FA) strong authentication and attribute based authorization platform easily connecting 000's of applications with mln's of users in the most consumer friendly fashion.
The Health-card is the safest, most simple and secure way to access medical data. Based on biometrics and using an innovative and privacy-secure access method patients and physicians can simple and secure access their Electronic Health Record (EHR).