A Semidecentralized PKI System Based on Public Blockchains with Automatic Indemnification Mechanism

Table 3

Gas use associated with deploying the appeal contract and performing its basic functions (we assume that the price of Ether is $200).

Function	Gas use	Gas price	ETH	USD
Deploy	2,310,253	Fast (25 Gwei)	0.057756325‬	11.55
		Slow (15 Gwei)	0.034653795	6.93
Upload root hash	44,029	Fast (25 Gwei)	0.001100725‬	0.22
		Slow (15 Gwei)	0.000660435	0.13
Verify slice	138,582	Fast (25 Gwei)	0.00346455‬0‬	0.69
		Slow (15 Gwei)	0.00207873‬0‬	0.41
Verify k-v pairs	28,564	Fast (25 Gwei)	0.000714100	0.14
		Slow (15 Gwei)	0.000428460	0.08
Verify request	39,143	Fast (25 Gwei)	0.000978575	0.19
		Slow (15 Gwei)	0.000587145	0.11
Verify reply	38,173	Fast (25 Gwei)	0.003817325	0.19
		Slow (15 Gwei)	0.000572595	0.11

Wei is the smallest denomination of Ether. 1 Wei = 10⁻¹⁸ Ether; 1 Gwei = 10⁻⁹ Ether.