Research Article
Federated Medical Learning Framework Based on Blockchain and Homomorphic Encryption
Table 2
Blockchain performance comparison.
| Paper | Smart contract | Time complexity | Individual transaction data |
| [24] | Aggregation | O (nm) | Size (modal) | [28] | ā | O (n) | Size (modal) | Our scheme | Aggregate node selection | O (n) | Size (hash) |
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