On the Internet of Things, Blockchain Technology for Supply Chain Management (IoT)

Table 2

Comparison of different blockchain eHealth framework.

	MedRec (Ekblaw et al., 2016)	Patientory (McFarlane et al., 2017)	Medibloc (Vallies, 2017)	Medichain (Rouhani et al., 2018)	SHS (Charanya, 2019)
Blockchain	Permission	ETH (permission)	QTUM (public)	ETH	Permission
Private blockchain	Yes	Yes	No	Yes	Yes
Standard	HL7	HIPAA	HIPAA	JSON	HL7
Consensus	Proof of work	Proof of work	Proof of stake	Proof of work	Proof of work
Block time	19 sec	17 sec	Minutes	20 sec	16 sec
Smart Contract	Code solidity	Solidity	Go	Solidity	Code (solidity)
Patient control	Full control	No information	Patient control	Patient and doctor control	Patient control
Focus	Patient care, research	Telemedicine	Patient care, doctor, and researcher	Telemedicine, researcher	Patient care, researcher, insurance, and billing
Rewards	Anonymized data	No	No	No	Anonymized; Data