Review Article
Blockchain-Based Crowdsourcing Makes Training Dataset of Machine Learning No Longer Be in Short Supply
Table 3
Advantages and weakness of the systems.
| | Item | Transparency | Suffer single point of failure | Suffer remote hijacking | Suffer mischief attacks | Suffer DDoS attacks |
| | Centralized traditional CS system with dataset collection or annotation | No | Yes | Yes | Yes | Yes | | Centralized MCS system with dataset collection or annotation | No | Yes | Yes | Yes | Yes | | Decentralized CS systems without blockchain | No | Yes/no | Yes/no | Yes/no | Yes/no | | Decentralized CS systems with blockchain | Yes | No | No | No | No | | Decentralized CS systems with blockchain and PPTD | Yes | No | No | No | No |
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