Blockchain Powered Vaccine Efficacy for Pharma Sector

Pseudocode 3

Feedback process.

Input: U_ID, Feedback

Output: Update feedback in blockchain network

1. If U_ID is valid then

2. Access granted

3. map(U_ID to feedback_sideeffects)

4. map(U_IDto feedback)

5. store feedback in BC network

6. End IF

7. else

8. Invalid user ID

9. End else