According to the comparison of the data of the blockchain public chain test network reward activity released by Messari recently, most public chain projects will reward developers and users during the test network test. The data shows that the token amount of the award will not exceed the main token. 1% of the network token, of which Kusama will retain 1% of the tokens in the Polkadot test network, the largest number, and the lowest number of tokens in Ethereum 0.03%. In addition, most of the projects used a centralized operation during the test network operation. Only Ethereum and Polkadot adopted a decentralized operation mode, and Cosmos adopted a mild decentralization method. The reward methods of the public chain test network are mainly based on promotion, competition, and participation in projects.