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This work was supported by National Natural Science Foundation of China (NSFC) (Grant No. 61572136), and Shanghai Innovation Action Project (Grant No. 16DZ1100200).
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Liang, J., Han, W., Guo, Z. et al. DESC: enabling secure data exchange based on smart contracts. Sci. China Inf. Sci. 61, 049102 (2018). https://doi.org/10.1007/s11432-017-9245-1