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

Table 6

Consensus algorithm execution time using a dataset size of 30 k transactions.

Hash length	Algorithm	Total storage (bits)	CHT (ms)	O&E MHT (ms)	MHT (ms)	MMHT (ms)	MMHT/MHT (%)
128 bits	MD5	3840000	12.21466	183.1979	180.5979	103.8136	42.5
	RIPEMD-128	3840000	15.93768	211.553	208.953	101.2142	51.6
	SHAKE	3840000	105.5813	823.7975	821.1975	517.4801	37.0
	MD2	3840000	256.6967	1635.536	1632.936	1074.465	34.2
160 bits	RIPEMD-160	4800000	27.38025	281.9626	279.3626	168.3616	39.7
	SHA1	4800000	18.12102	210.1011	207.5011	123.1716	40.6
192 bits	Tiger	5760000	14.70333	191.2121	188.6121	110.3094	41.5
256 bits	RIPEMD-256	7680000	17.44287	208.334	205.734	121.6099	40.9
	SHA256	7680000	23.85505	274.2761	271.6761	160.9931	40.7
	SHA3	7680000	130.8481	825.7562	823.1562	543.7262	33.9
	GOST3411	7680000	512.3987	3650.143	3647.543	2337.47	35.9
320 bits	RIPEMD-320	9600000	26.5973	288.7437	286.1437	170.9692	40.3
384 bits	SHA384	11520000	17.62926	249.641	247.041	142.4498	42.3
512 bits	SHA512	15360000	18.74704	264.5122	261.9122	151.0031	42.3
	Whirlpool	15360000	178.0506	1251.731	1249.131	803.9161	35.6