Efficient and Secure Cross-Domain Sharing of Blockchain Electronic Medical Records Based on Edge Computing

Table 2

Function comparison of different schemes.

Features	Literatures
	Literature [11]	Literature [20]	Literature [22]	Literature [23]	This article
Blockchain	√	√	√	√	√
Access control	√	√	√	√	√
Privacy protection	√	√	√	√	√
SE	×	√	√	√	√
Data sharing	√	×	√	√	√
Deduplication	×	×	×	×	√