@misc{cryptoeprint:2020:648, author = {Yuncong Hu and Sam Kumar and Raluca Ada Popa}, title = {Ghostor: Toward a Secure Data-Sharing System from Decentralized Trust}, howpublished = {Cryptology ePrint Archive, Report 2020/648}, year = {2020}, url = {https://eprint.iacr.org/2020/648}, }