cuckoo

a memory-bound graph-theoretic proof-of-work system (by tromp)

Cuckoo Alternatives

Similar projects and alternatives to cuckoo

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better cuckoo alternative or higher similarity.

cuckoo reviews and mentions

Posts with mentions or reviews of cuckoo. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-08-08.
  • mCaptcha: Open-source proof-of-work captcha for websites
    4 projects | news.ycombinator.com | 8 Aug 2023
    Asymmetric PoW algorithms, such as Cuckoo Cycle [1] or the poorly named Equihash [2] (which is not a hash function) do not lend themselves to password hashing, since a given instance can have 0 or 1 or many solutions.

    [1] https://github.com/tromp/cuckoo

    [2] https://en.wikipedia.org/wiki/Equihash

  • Crypto: My Part in Its Downfall
    1 project | news.ycombinator.com | 1 May 2023
    The full technical report describing the LOCKSS forerunner to bitcoin may be downloaded at [1]. Interestingly, LOCKSS used a memory bound Proof-of-Work, where both prover and verifier perform a random walk in a 1GB table. But the prover had to do this many times, to obtain some final hash with many leading zeroes. This was before the invention of asymmetric PoW systems like Cuckoo Cycle [2] where the PoW can be verified with no memory use.

    [1] https://www.researchgate.net/publication/31869581_Preserving...

    [2] https://github.com/tromp/cuckoo

  • Is it possible a PoW that runs arbitrary algorithms?
    1 project | /r/CryptoTechnology | 15 Jun 2022
    A non-hashcash-style PoW scheme is Cuck(at)ooCycle.
  • POW Captcha: a lightweight, self-hosted proof-of-work captcha
    2 projects | news.ycombinator.com | 10 Sep 2021
    The use of scrypt as underlying hash function is a rather poor choice though, as scrypt's memory hardness makes PoW verification unnecessarily expensive.

    It's perfectly possible to make a memory hard PoW that's instantly verifiable, by using something other than hashcash. Examples include Cuckoo Cycle [1], and Equihash [2].

    [1] https://github.com/tromp/cuckoo

    [2] https://en.wikipedia.org/wiki/Equihash

  • Memory-bound trapdoor proof of work
    2 projects | /r/crypto | 4 Aug 2021
    Non-Solution #8: Cuckoo Cycle https://github.com/tromp/cuckoo Why: At least a few people have looked at it, and any attacker is far more likely to directly attack the blockchain itself, than my server (which doesn't get involved with the blockchain) Why not: The "mathematical specification" https://github.com/tromp/cuckoo/blob/master/doc/mathspec is woefully inadequate, their "C spec" focuses more on ASCII art than actual readability https://github.com/tromp/cuckoo/blob/master/doc/spec and as https://handshake.org/files/handshake.txt points out, cannot be easily adjusted in difficulty. Also, I would need to implement it from scratch, but I guess I'll have to do that anyway.
  • IBM Creates First 2nm Chip
    1 project | news.ycombinator.com | 6 May 2021
  • Ask HN: What Kind of Threat Does Quantum Computing Pose to Bitcoin?
    1 project | news.ycombinator.com | 26 Jan 2021
    The hashcash proof-of-work scheme that bitcoin uses is vulnerable to Grover's quantum search algorithm, that can find a solution in the 2^76 search space for the current target difficulty in roughly sqrt(2^76) = 2^38 quantum hashing steps, for a 2^38 factor speedup.

    Other proof-of-work schemes (e.g. finding cycles in graphs [1]) are not vulnerable to quantum speedup.

    [1] https://github.com/tromp/cuckoo

  • Theoretically, how much hashing power could a 'quantum computer' generate? And is any superpower close to having one yet, that we know of?
    1 project | /r/CryptoTechnology | 11 Jan 2021
    [1] https://github.com/tromp/cuckoo
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Stats

Basic cuckoo repo stats
8
812
4.3
6 months ago

tromp/cuckoo is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.

The primary programming language of cuckoo is C++.


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