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2022-04-19
Lee, Taerim, Moon, Ho-Se, Jang, Juwook.  2021.  Data Encryption Method Using CP-ABE with Symmetric Key Algorithm in Blockchain Network. 2021 International Conference on Information and Communication Technology Convergence (ICTC). :1371–1373.
This paper proposes a method of encrypting data stored in the blockchain network by applying ciphertext-policy attribute-based encryption (CP-ABE) and symmetric key algorithm. This method protects the confidentiality and privacy of data that is not protected in blockchain networks, and stores data in a more efficient way than before. The proposed model has the same characteristics of CP-ABE and has a faster processing speed than when only CP-ABE is used.