student management system using blockchain in JAVA with user interface -- 2

The main concepts that should be applied are described in assignment question. A simple program for student mark system where teachers and principal have separate account accessibilities. Each teacher will have the ability to mark student papers and digital sign them before adding to the blockchain
the system should include these data.
- Login for teacher and student
1- Student personal information (Name + ID)
2- Student mark record
3- Student major
4- and Financial status (paid or not)
---- All the informations should be saved in text file.

Concept should be applied in the software
• Block concept and chain
• Hashing algorithm
• Cryptography algorithm
• Digital signature
• Immutability technique