Table 1 Simulation parameter

Number of honest mining pools \(N_v\)

1

Initial computing power of each miner \(c_i\)

0.1

Number of attacking mining pools \(N_c\)

6

Computing power of honest mining pool

0.5

Maximum number of iterations \(\theta\)

50

Crossover factor threshold \(\eta _{1\mathrm{thr}}\)

0.05

Block withholding attack cost \({C_p}\)

0.02

Network reward value

1000

Mutation factor threshold \({\varphi _{1\mathrm{thr}}}\)

0.02

Number of onlooker bees

10

Number of food sources \({SN}\)

20

Honest Mining cost \({C_H}\)

0.05