A Privacy-Preserving Blockchain Supervision Framework in the Multiparty Setting

Table 2

Theoretical comparison.

Scheme	Supervision method	Access control	Application scenarios
Yong et al.’s scheme [9]	Machine learning	—	Vaccine supply
Yin et al.’s scheme [11]	Machine learning	—	—
Sun et al.’s scheme [26]	Multiblockchain model	—	Central bank digital currency
Peng et al.’s scheme [27]	Double-layer blockchain	—	Vaccine production
Our BBS framework	Dual-chain architecture		Financial trade, etc.