Multiauthority Attribute-Based Access Control for Supply Chain Information Sharing in Blockchain

Table 1

Scheme property comparison.

Scheme	Attribute updatable/revocable	Policy hiding	User identity	Anonymous key generation
Ours	✓	✓	✓	✓
Qin et al. [22]			✓
Liang et al. [37]		✓	✓	✓
Malluhi et al. [38]	✓	✓	✓