Blockchain-Based DNS Root Zone Management Decentralization for Internet of Things

Table 3

Semantics of RootChain smart contract.

RootChain operation
Smart contract	Example
	Initiator → Output
DelegationPublication	RA → <TLD,TAPubKey>RA
DelegationTransition	TA → <TLD,TAPubKey>TA
DelegationRevocation	RA → <TLD,∅>RA
DelegationRenewal	TA → <TLD,ValidTo>TA
DelegationRedemption	TA → <TLD,TAPubKey>TA
DataPublication	TA/RA → <ZoneData>(TA/RA)
DelegationValidation	RootChain → true/false
DataValidation	RootChain → true/false
RevokeOP	RA/TA → <TLD,OP-ID>(RA/TA)
ConfirmOP	RA/TA → <TLD,OP-ID>(RA/TA)