Trustworthy public randomness with sloth, unicorn, and trx
by Arjen K. Lenstra; Benjamin Wesolowski
International Journal of Applied Cryptography (IJACT), Vol. 3, No. 4, 2017

Abstract: Many applications require trustworthy generation of public random numbers. It is shown how this can be achieved using a hash function that is timed to be as slow as desired (sloth), while the correctness of the resulting hash can be verified quickly. It is shown how sloth can be used for uncontestable random number generation (unicorn), and how unicorn can be used for a new trustworthy random elliptic curves service (trx) and random-sample voting.

Online publication date: Sun, 21-Jan-2018

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