MB-BC: Drug Traceability System Based on Multibranched Blockchain Structure

Table 2

Comparison of drug traceability schemes.

Proposal	Architecture	Data confidentiality	Smart contract	Robustness	Supervisability	Traceability
Sinclair et al. [27]	Blockchain-based	×	×	×	×	√
Huang Y. et al. [32]	Blockchain-based	×	×	×	√	√
Jamil et al. [28]	Blockchain-based	×	√	×	×	√
Qi et al. [5]	Centralized	√	×	√	×	√
Ours	MB-BC-based	√	√	√	√	√