Review Article
Blockchain-Based Crowdsourcing Makes Training Dataset of Machine Learning No Longer Be in Short Supply
Table 4
Advantages and weakness of the systems.
| | Item | Service fee | Data privacy protection | Data quality | Data quantity | Data diversity |
| | Centralized traditional CS system with dataset collection or annotation | High | No | Low | Small | Low | | Centralized MCS system with dataset collection or annotation | High | No | Low | Medium | Low | | Decentralized CS systems without blockchain | High | No | Low | Small | Low | | Decentralized CS systems with blockchain | Low | Yes | Low | Large | High | | Decentralized CS systems with blockchain and PPTD | Low | Yes | High | Large | High |
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