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 | bdaca0e918...6155483ac6Previous: 4a57ac...29a38e | |
| #3 | Rohan Iyer DON-2026-003 · B+ Eligible | Green Cross Blood Service Chennai · Jul 15, 2026 | 2 | 4a57ac128b...57dc29a38ePrevious: a84887...4ec660 | |
| #2 | Nisha Patel DON-2026-002 · A- Used | HopeLine Medical Centre Pune · Jul 08, 2026 | 1 | a848876e31...cf384ec660Previous: e09d85...f5cd26 |