Table 3.

Key players’ roles and tasks.

Key Players	User Roles	Role Definition
Healthcare regulators	Issuer	Regulators can create claims about the authorized clinics, hospitals, and care providers.
	Inspector	Regulators can verify the care providers’ certificates and patients’ assurance validity.
	Holder	Regulators can control and hold different claim about the other key players.
Industry representatives	Issuer	They can create claims about their own products and services to care providers or consumers.
	Inspector	They can verify claims coming from healthcare providers and consumers about particular products.
	Holder	They can control and hold claims about operations and product selling records.
Healthcare providers	Issuer	Care providers can create claims about healthcare consumers and it can be stored as healthcare records.
	Inspector	Care providers can inspect and verify claims of their own patients and industry representative.
	Holder	Care providers can control and hold claims like working certificate.
Healthcare consumers	Issuer	Consumers can create claims about their own health condition using devices and gadgets.
	Inspector	Consumers can verify claims coming from care provider for example in a case of telemedicine and remote care.
	Holder	Consumers can control and hold claims such as medical records.

The subject role is not presented in the table as we consider the holder is the subject. There are few use cases where the subject can be different from the holder, for example a kid can be the subject of the claim but the holder of the claim should be his parents. A holder is typically the controller of the claims.