[Retracted] Blockchain in Secure Healthcare Systems: State of the Art, Limitations, and Future Directions

Table 7

Comparative Analysis of various models along with the applications.

Author name	Year	Technique	Applications	Gaps
Liu et al. [26]	2018	Light weight BC design model	Healthcare data management	High power usage and limited capacity
Griggs et al. [33]	2018	EIGamal encryption network model	Analyzing information	Complex data
Bocek et al. [35]	2017	Global and local consensus model	Identification and verification	Trust issue
Bryatov and Borodinov [37]	2019	BC-HIE method	Storing and sharing data	Complicated structure