I've been researching group encryption in decentralised contexts for a uni research project and have been thinking about this project. This paper could be a relevant reference:
Matthew Weidner, Martin Kleppmann, Daniel Hugenroth, and Alastair R. Beresford. 2021. Key Agreement for Decentralized Secure Group Messaging with Strong Security Guarantees. In ACM CCS 2021, Giovanni Vigna and Elaine Shi (Eds.). ACM Press, 2024–2045. https://eprint.iacr.org/2020/1281.pdf
and this one:
V. Y. Kemmoe, Y. Kwon, R. Hussain, S. Cho and J. Son, "Leveraging Smart Contracts for Secure and Asynchronous Group Key Exchange Without Trusted Third Party," in IEEE Transactions on Dependable and Secure Computing, vol. 20, no. 4, pp. 3176-3193, 1 July-Aug. 2023. https://ieeexplore.ieee.org/document/9827566
I've been researching group encryption in decentralised contexts for a uni research project and have been thinking about this project. This paper could be a relevant reference:
Matthew Weidner, Martin Kleppmann, Daniel Hugenroth, and Alastair R. Beresford. 2021. Key Agreement for Decentralized Secure Group Messaging with Strong Security Guarantees. In ACM CCS 2021, Giovanni Vigna and Elaine Shi (Eds.). ACM Press, 2024–2045. https://eprint.iacr.org/2020/1281.pdf
and this one:
V. Y. Kemmoe, Y. Kwon, R. Hussain, S. Cho and J. Son, "Leveraging Smart Contracts for Secure and Asynchronous Group Key Exchange Without Trusted Third Party," in IEEE Transactions on Dependable and Secure Computing, vol. 20, no. 4, pp. 3176-3193, 1 July-Aug. 2023. https://ieeexplore.ieee.org/document/9827566