Block-DEF: A secure digital evidence framework using blockchain

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Zhihong Tian, Mohan Li, Meikang Qiu, Yanbin Sun, Shen Su

Published: 2019, Last Modified: 14 May 2025Inf. Sci. 2019EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Block-DEF is proposed to solve big data and privacy challenges with a loose coupling design.•The blockchain bloat is avoided by combining a mixed blockchain structure with an O-NPBFT mechanism.•The traceability and privacy of evidence are balanced by using multi-signature schemes.