Data Integrity Time Optimization of a Blockchain IoT Smart Home Network Using Different Consensus and Hash Algorithms

Table 7

Consensus algorithm execution time using a dataset size of 3 k transactions.

Hash length	Algorithm	Total storage (bits)	CHT (ms)	O&E MHT (ms)	MHT (ms)	MMHT (ms)	MMHT/MHT (%)
128 bits	MD5	384000	1.94123	34.92615	34.10615	22.11161	35.2
	RIPEMD-128	384000	2.93489	44.16066	43.34066	20.65914	52.3
	SHAKE	384000	18.99856	152.072	151.252	18.78511	87.6
	MD2	384000	47.86639	329.0667	328.2467	20.32121	93.8
160 bits	RIPEMD-160	480000	4.69918	54.79416	53.97416	18.92513	64.9
	SHA1	480000	3.53118	38.42909	37.60909	19.87732	47.1
192 bits	Tiger	576000	2.3327	29.43644	28.61644	19.47202	32.0
256 bits	RIPEMD-256	768000	3.49019	38.84966	38.02966	17.26856	54.6
	SHA256	768000	4.26395	48.45686	47.63686	18.63771	60.9
	SHA3	768000	25.84644	161.3161	160.4961	20.6792	87.1
	GOST3411	768000	84.64851	652.9856	652.1656	19.39326	97.0
320 bits	RIPEMD-320	960000	5.27818	45.66796	44.84796	18.72902	58.2
384 bits	SHA384	1152000	3.24072	44.06398	43.24398	21.01735	51.4
512 bits	SHA512	1536000	2.94544	46.2301	45.4101	19.64456	56.7
	Whirlpool	1536000	31.0449	237.9127	237.0927	18.40894	92.2