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Sunday, 24 November 2013

November 24th 2013 weekly pool and network statistics




Other weekly pool and network statistics posts


Welcome, miners.

Changelog:
  • Nil
Usual pools missing from results:
  • Deepbit - no blocks solved this week.
  • BTCDig - no blocks solved this week.
  • BTCMine - no blocks solved this week.
Errors:
  • Nil
Pools with coinbase signature:
Recent coinbase messages:

Pool hopping:
  • Nil.




1. EclipseMC has normal luck and normal hashrates per round.
After Inaba made a few changes to his APIs, the data seems much more normal - both luck and hashrates are similar to other pools.

2. Historical network proportions.
Last week I suggested mining at smaller pools. This week I posted a historical chart of network proportions which some of you might find interesting - some current small pools were much larger, and some current large pools started out with very small proportions of the network.

3. 50BTC still hanging in there ....
Not much news in the 50BTC thread on the bitcointalk.org forum.

I wonder who is providing their hashes? Maybe the pool owners?


Organofcorti lives! (thanks to Eclipse )

As usual, please post comments if there's anything you don't understand, with which you disagree, or just think is wrong.

The charts

Table: Table of all pools with public data and their various statistics averaged for the last seven days - for smaller pools the average may be more or less than seven days, depending on number of blocks solved for the week. Network hashrate and that of some pools are estimates, the upper and lower 95% confidence interval bounds are included.
Figure 1: Pie chart of the percentage of network blocks hashrate by pool. "Unknown" combines those pools for which I can't scrape statistics, solominers and private pools. The percentage of network hashrate will only be approximate since the exact network hashrate is unknown.
Figure 2: Chart of network hashrate, hashrate of the largest mining pool, combined hashrates of the three largest mining pools, and a line representing 50% of the network hashrate. Handy if you're worried about 51% attacks. The upper and lower 95% confidence interval bounds for the network hashrate are in between the shaded areas.
Figure 3: Chart of chronology of pool hashrates, averaged per week.
Figure 4: Chart of average hashrates per pool per round for the week, per 144 rounds for the network, and per hour for BTCGuild. The upper and lower 95% confidence interval bounds for the network hashrate are in between the shaded areas.
Figure 5: Chart of chronology of negative binomial CDF probability of shares submitted and blocks produced for the week.
Figure 6: Chart of chronology of round length divided by difficulty, averaged per week.
Figure 7: Chart of hashrate vs round length for hoppable pools (the larger the hashrate increase at the start of a round, the larger the loss to strategic miners).
Figure 8: Chart of pool user hashrate distribution. Note that for some pools this average is over twenty four hours, some pools are averaged over an hour or more and some for only fifteen minutes, so expect some variance in the results.













Thanks to blockexplorer.com for use of their network statistics.

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