Papers › Beyond Life: A Digital Will Solution for Posthumous Data Management
Beyond Life: A Digital Will Solution for Posthumous Data Management
Xinzhang Chen, Arash Shaghaghi, Jesse Laeuchli, Salil Kanhere
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In the digital era, managing posthumous data presents a growing challenge, with current technical solutions often falling short in practicality. Existing tools are typically closed-source, lack transparency, fail to offer cross-platform support, and provide limited access control. This paper introduces `Beyond Life', a cross-platform digital will management solution designed to securely handle and distribute digital assets after death. At the core of this solution is a customized Ciphertext-Policy Attribute-Based Encryption (CP-ABE) scheme, referred to as PD-CP-ABE, which enables efficient, fine-grained control over access to will content at scale. Unlike existing systems, Beyond Life operates independently of service providers, offering users greater transparency and control over how their will is generated, stored, and executed. The system is also designed to be portable, allowing users to change their will service provider. The proposed system has been fully developed and rigorously evaluated to ensure performance and real-world feasibility. The system implementation is made publicly available.
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