Blockchain-Based Secure Transaction System Using Cryptographic Hash Functions

The objective of this project is to design a blockchain-based transaction system using cryptographic hash functions. The system ensures data immutability, transparency, and security through decentralized ledger principles.

Study blockchain fundamentals and hashing mechanisms.

Implement cryptographic hash functions for block creation.

Design block structure including nonce and previous hash.

Implement chain validation mechanisms.

Simulate transaction recording and verification.

Test tampering scenarios and verify immutability.

Evaluate computational complexity and performance.

Document system architecture and cryptographic workflow.