Managing lifelong learning records through blockchain

Research and Practice in Technology Enhanced Learning

Table 7 Computational cost of smart contract operations

S/no.	Smart contract	Action	Frequency of operations	Average cost (gas 10³)
1.	PIC	Create	One time	1030
2.	PIC	Update	Every time	115
3.	UIC	Create	Onetime	1030
4.	UIC	Update	Every time	27
5.	LLPC	Create	On new action verb	1814
6.	LLPC	Update	Every time	298
7.	RUC	Update	On user registration	55