Advances in Cryptology - CRYPTO 2015 - 35th Annual Cryptology Conference. Vol. 9216. pp. 585–605. ↑ Ateniese, Giuseppe; Bonacina, Ilario; Faonio, Antonio; Galesi, Nicola (2014). "Proofs of Space: When Space is of the Essence". https://eprint.iacr.org/2013/805 ↑ Ateniese, Giuseppe; Bonacina, Ilario; Faonio, Antonio; Galesi, Nicola (2014).