1. 0box application by 0chain:
https://0chain.net/zerobox
2. Ochain website:
https://0chain.net
3. Selvi, S.S.D., Paul, A., Pandu Rangan, C.: A provably-secure unidirectional proxy re-encryption scheme without pairing in the random oracle model. In: CANS, Lecture Notes in Computer Science, vol. 11261, pp. 459–469. Springer (2017)
4. Blaze, M., Bleumer, G., Strauss, M.: Divertible protocols and atomic proxy cryptography. In: Advances in Cryptology—EUROCRYPT$$^{\prime }$$98, International Conference on the Theory and Application of Cryptographic Techniques, Espoo, Finland, May 31 - June 4, 1998, Proceeding, pp. 127–144 (1998)
5. Ateniese, G., Fu, K., Green, M., Hohenberger, S.: Improved proxy re-encryption schemes with applications to secure distributed storage. In: Proceedings of the Network and Distributed System Security Symposium, p. 2005. NDSS, San Diego, California, USA (2005)