[Retracted] Next Generation IoT and Blockchain Integration

Table 1

Entities and methods enforcing security and privacy properties in different tiers.

Properties	Smart home	Overlay network	Cloud storage
Identity and authentication	Ledger of transaction	Signatures	Block-number along with hash
Access control	Policy header and transactions in BC	Multiset transaction	Block-number with hash
Protocol and network	Encryption	Encryption	Encryption
Privacy	Not-private	PK or ID	Block-number along with hash
Trust	Predefined	Verification	Signed hash of data
Nonreputation	Encryption	Signatures	Signed hash of data
Policy enforcement	Policy header	PK lists	Accounting
Authorization	Policy header and transactions	List of keys	Accounting
Fault tolerance	Medium	High	Low