| Notation | Description |
| AES | Advance encryption standard |
| BSs | Base stations |
| CHs | Cluster heads |
| DDR | Distance degree and residual energy |
| IoT | Internet of things |
| IoST | Internet of sensor things |
| IPFS | Interplanetary file system |
| LEACH | Low energy adaptive clustering hierarchy |
| MITM | Man in the middle |
| PoA | Proof of authority |
| PoW | Proof of work |
| RSA | Rivest shamir adleman |
| SHA | Secure hashing algorithm |
| SPOF | Single point of failure |
| WSNs | Wireless sensors networks |
| Private key |
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