@misc{cryptoeprint:2019:713,
    author = {Riccardo Longo and Massimiliano Sala},
    title = {Public Ledger for Sensitive Data},
    howpublished = {Cryptology ePrint Archive, Report 2019/713},
    year = {2019},
    url = {https://eprint.iacr.org/2019/713},
}