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    Coin Block Production 6 Days Survey 25.7.2013

    Attacks and Feathercoin Security
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    • wrapper
      wrapper Moderators last edited by

      This chart show a survey of coin production, in terms of Days Mined above Specification. As you can see Feathercoin has been behind production, but has been over producing over the 6 Day survey, period.

      The first thing that might be noticed is that ChNcoin, Luckycoin, Nibble, Bottlecaps and Hypercoin have reducing block production, which has been indicative of reduction in miner / hash / rates.

      Only Phenixcoin, Stablecoin have stabilised their block rate after an initial increase.

      All other coins in order of coin overproduction.

      1. Novacoin,
      2. PPCoin,
      3. BitCoin
      4. Terracoin
      5. Litecoin
      6. BitBar
      7. Feathercoin.
      8. BBQcoin
      9. Worldcoin

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      • T
        Tuck Fheman last edited by

        How can one use this to their benefit? Are there underlying implications? What’s the scoop?

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        • wrapper
          wrapper Moderators last edited by

          I’ve been looking further at the effect of Difficulty. It would appear to have little correlation to Hash rate, except when the difficulty got so high the Hash rate decreased to hard core miner.

          This would indicate other factors (exchange rate?) are causing the swings miners are making between coins.

          Here’s my chart, showing Avg coins per day over Days, Against, coins that should have been produced to specification.

          Basically any extra insight makes better actions. We can also see the effect of updates such as the auto check pointing.

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          • wrapper
            wrapper Moderators last edited by

            Confirmation of Attack on Terracoin 24th July 2013

            https://bitcointalk.org/index.php?topic=261986.0

            Here’s more confirmation from Terracoin, of my analysis that the current network attacks are more coin wide than people think, and that the deterioration in coin overproduction is probably not just due to problematic difficulty adjustment.

            The attacks on Terracoin also shows that measuring the block production on a daily basis is a good indicator of network stability and indicator of attack or DDos vectors of network attacks.

            Block rate production per day, could be used to predict or identify novel attacks are being mounted. It should be stable if averaged over 7 days if the controlling algorithms are working. Unless the block production is stable over 2 weeks, I think the controlling block production algorithm has failed, and needs looking at.

            The attacks on Terracoin also indicate that a Bitcoin miner or outside agency interfering, is the most likely attack vector. Since Litecoin mining variability would be more noticeable in order to mount multiple attacks. Terracoin is a SHA-256, so would be easier for a Bitcoin miner to reconfigure.

            Just theorising what might be discovered with more serious analysis by the community.

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