Consumers Would Use Blockchain-based Tokens to Control EHR Access

I would use a blockchain token to lock my EHR as well, since when I'm not being treated there is no reason for my health records to be unlocked. Blockchain tokens would allow you to lock your electronic health record. In an emergency, they could be opened by a surrogate (e.g. spouse) or possibly a bio-encoded key such as a retina scan, fingerprint, or facial recognition, just like smartphones use. - TFH

Consumers Would Use Blockchain-based Tokens to Control EHR Access: Other potential healthcare applications of blockchain include physician credentialing, patient identification, and doctor insurance affiliation tracking, ...