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    Author Topic: [XMR] Monero - A secure, private, untraceable cryptocurrency  (Read 4674921 times)
    papa_lazzarou
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    June 23, 2015, 09:31:01 AM
     #24941


     it seems just as likely that the coin was mined in closed private circles for several months as it does the chain was entirely faked.


    IMO, the fact that the miner released with BCN was deliberately crippled to be orders of magnitude less efficient than it should be its determinant in turning the scales in favor of the blockchain being faked.

    Minting Money with Monero ... and CPU vector intrinsics
    Quote
    Followed a day later by raising that to a 5x speedup, and then an 8x speedup, and within a week, an 11x speedup.  That was pretty remarkable, given that a developer had already started trickling optimizations into the codebase.

    The more I looked at it, the more clear it became:  The original developers deliberately crippled the miner.  It wasn't just slow, and it wasn't just naive;  it was deliberately obfuscated and made slow by the use of completely superfluous copies, function calls, use of 8 bit pointer types, and accompanied by the most ridiculously slow implementation of the AES encryption algorithm one could imagine.[

    (snip)

    By May 16th, I'd squeezed about 90% of the optimizations out of it, and we were running 100x faster than the coin was at its initial release.  That didn't stop me from obsessing about speed tweaks for the next week or so, but it gave me a little breathing room to start thinking about the next step.
    /quote]

    See also how the Monero devs patched the glitch pretty fast:
    https://bt.irlbtc.com/view/583449.msg11153715#msg11153715
    https://bt.irlbtc.com/view/583449.msg11153859#msg11153859
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