Research Article

A Blockchain-Assisted Electronic Medical Records by Using Proxy Reencryption and Multisignature

Table 1

Comparison between existing schemes.

SchemesF1F2F3F4F5

[22]POWBig
[23]DPOSSmall
[24]DPOSSmall
[25]Improved DPOSSmall
[26]DBFTBig
[28]Improved DPOSSmall
[36]Improved DPOSSmall
[37]POWSmall
OursImproved DPOSSmall

Support; not-support.