A Privacy-Preserving Blockchain Supervision Framework in the Multiparty Setting

Table 1

Notations.

Notations	Descriptions
	Secure symmetric encryption algorithm
	Ciphertext-policy attribute-based encryption scheme
	Registration record
	Attribute set
	The data to be supervised
	User information
	The supervision result of the regulatory authority
	The supervision result of the supervisor
	The signature of KGC
	Timestamp
	Supervision record
	Supervision information