Beginner friendly Java + blockchain concept
Blood Donation Record Verification System
A resume-worthy project prototype where every blood donation record becomes a tamper-evident block using SHA-256 hash links.
Project impact snapshot
Ledger blocks
4
Blood units logged
5
Partner hospitals
4
Eligible records
2
Recent ledger records
Copy a hash or verify an individual block to understand the blockchain flow.
| Block | Donor / Blood | Hospital | Units | Hash proof | Actions |
|---|---|---|---|---|---|
| #4 | Sara Khan DON-2026-004 · AB+ Flagged | LifeBridge Hospital Hyderabad · Jul 19, 2026 | 1 | ab30c173b7...e8be675842Previous: fdb6e9...b97028 | |
| #3 | Rohan Iyer DON-2026-003 · B+ Eligible | Green Cross Blood Service Chennai · Jul 15, 2026 | 2 | fdb6e9b88c...f31fb97028Previous: 10353a...cd239e | |
| #2 | Nisha Patel DON-2026-002 · A- Used | HopeLine Medical Centre Pune · Jul 08, 2026 | 1 | 10353a6f92...0b6ccd239ePrevious: abe1c4...aab506 |