Decentralized Crowdsourcing atop Open Blockchain
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The decentralization property of blockchain technology has injected fresh blood into traditional Internet applications. I pointed out the problems encountered in the process of decentralizing crowdsourcing. The inherent problems are: the contradiction between the data privacy of crowdsourcing and the data transparency of blockchain, as well as the contradiction between the user accountability and the user anonymity. Furthermore, I gave the corresponding solutions based on zk-SNARK, common-prefix linkable anonymous authentication and other cryptography techniques. More information here