Research Article
A Traceable Blockchain-Based Vaccination Record Storage and Sharing System
Table 2
Common notations are used in the BAN logic.
| P X | P believes X |
| P X | P sees X |
| P X | P said X |
| P X | P controls X |
| | X is fresh |
| | P and X share the key K |
| | K is the public key of P |
| | P and Q share the secret X |
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