Toward Privacy-Preserving Blockchain-Based Electricity Auction for V2G Networks in the Smart Grid

Table 2

Computation costs of offchain part.

Stages		Computation costs
System initialization		2
Register	EV	1  + 5 1  + 3
	Charging station	1  + 5 1  + 3
	Aggregator	1
Request for auctions		2  + 4  + 4  + 2  + 4  + 4
Upload bids		(1  + 2 ), where is number of bidders
Open bids		1  + 5  + 6  + 4  + 2  + 4  + 3
Trace		(1  + 1  + 3 ), where is the average number of matching queries