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A Digital Asset Inheritance Model to Convey Online Persona Posthumously
Ram Govind Singh1, Ananya Shrivastava2, Sushmita Ruj3
1Indian Statistical Institute Kolkata, India and CERT-In, Kolkata, India.
International Journal of Information Security
|May 9, 2022
Summary
This study introduces a new Digital Asset Inheritance Protocol (DAIP) to securely transfer digital assets posthumously. DAIP uses advanced encryption, ensuring efficient and reliable inheritance for descendants.
Area of Science:
- Computer Science
- Cybersecurity
- Digital Asset Management
Background:
- The internet's growth has led to vast digital assets, raising concerns about posthumous inheritance.
- Existing digital asset inheritance (DAI) models have technical limitations, including unreliable death confirmation and inefficient key recovery.
- There is a need for robust technical designs for digital asset inheritance.
Purpose of the Study:
- To formalize digital asset categories and security requirements for inheritance.
- To propose a novel protocol for secure and efficient digital asset inheritance.
- To address limitations of existing DAI models.
Main Methods:
- Formalized digital asset categories, security goals, and functionalities.
- Proposed the Digital Asset Inheritance Protocol (DAIP) utilizing certificateless encryption (CLE) and identity-based systems (IBS).
- Conducted rigorous security proofs using the real-ideal worlds paradigm and implemented the DAIP model.
Main Results:
- The proposed DAIP enables nominees to retrieve digital assets posthumously, even if unaware of the asset's existence.
- Security proofs confirm the protocol's robustness.
- Implementation and simulation results demonstrate practical efficiency.
Conclusions:
- DAIP offers a technically sound and efficient solution for digital asset inheritance.
- The protocol enhances security and reliability in posthumous digital asset transfer.
- DAIP addresses key limitations of previous DAI approaches.
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