A Survey of How to Use Blockchain to Secure Internet of Things and the Stalker Attack

Table 4

Comparative of stale blocks.

(a) Attacker hash power 20%

Target; Hash power	Target			Honest
	Mined	Stale %		Mined	Stale %
5%	92	8	8,30%	1452	9	0,62%
10%	193	15	7,50%	1333	16	1,20%
15%	300	21	6,96%	1268	17	1,34%
20%	383	23	6,06%	1160	19	1,64%
25%	488	32	6,62%	1056	20	1,89%
30%	585	31	5,34%	984	23	2,34%

(b) Attacker hash power 40%

Target; Hash power	Target			Honest
	Mined	Stale %		Mined	Stale %
5%	96	38	39,63%	1083	152	14,04%
10%	195	69	35,54%	996	143	14,36%
15%	287	95	33,14%	878	151	17,20%
20%	394	121	30,61%	782	131	16,75%
25%	482	136	28,20%	675	115	17,04%
30%	572	152	26,58%	570	95	16,67%