Java Work

I need help with this java project... Details are attached... I did it but got only 47%. I want 100% in this project. I will send you my last submission on which I got 47 also send you the comments of my professor on last submission and hints he gave me to fix the code.

Initail file provide is named "Comp311_Lab_3_Bitcoin_Simulation_Student" File I submitted is named "Comp311_Lab_3_Bitcoin_Simulation_Submission_1"

Comment and Hints from professor are in file "Hints_and_Comments"