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 | 7879d38100...400c4967daPrevious: 9b3fa3...b622a2 | |
| #3 | Rohan Iyer DON-2026-003 · B+ Eligible | Green Cross Blood Service Chennai · Jul 15, 2026 | 2 | 9b3fa32093...2eb7b622a2Previous: ad23a7...2e32d9 | |
| #2 | Nisha Patel DON-2026-002 · A- Used | HopeLine Medical Centre Pune · Jul 08, 2026 | 1 | ad23a7abd1...98272e32d9Previous: 5cc26b...c39269 |