Table 1.
Comparison of existing blockchain-integrated covert communication schemes with CC-BSAGINs
| Scheme | [41] | [44] | [30] | [46] | [48] | CC-BSAGINs | |
|---|---|---|---|---|---|---|---|
| Confidentiality of messages | Yes | Yes | Yes | Yes | Yes | Yes | |
| Concealment of communication behaviors | No | Yes | No | No | / | Yes | |
| Anonymity of communication entities | Yes | Yes | No | No | Yes | Yes | |
| Computational costs | 24.8 ms | / | 1s | / | 3 s | 0.3828 s | |
| Communication costs | 2 MB | ≤50 B | 310 B | 3 KB | / | 50.5 KB | |
| Cryptocurrency costs | $ 0.002 | $ 0.3 | 0 | / | $ 0.01 | 0 | |
| Key management issues | No | Yes | Yes | Yes | / | No | |
| Ciphertext leakage issues | Yes | Yes | Yes | Yes | Yes | No |
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