Dissecting Bitcoin Block 420,000

Bitcoin Logo A few years back after the last halving I wrote an article shortly after the first halving block 210,000 was mined dropping the subsidy from 50 BTC to 25 BTC. Since block 420,000 was just mined reducing the subsidy from 25 BTC to 12.5 BTC I thought it would be an appropriate time to write a follow-up article with similar data for the most recent halving block comparing it to the previous one.

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Bitcoin Halving, what, why and what happened last time.

CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
    int halvings = nHeight / consensusParams.nSubsidyHalvingInterval;
    // Force block reward to zero when right shift is undefined.
    if (halvings >= 64)
        return 0;

    CAmount nSubsidy = 50 * COIN;
    // Subsidy is cut in half every 210,000 blocks which will occur approximately every 4 years.
    nSubsidy >>= halvings;
    return nSubsidy;

Simple right?

In just a few days we will have the second bitcoin halving event. Often in bitcoin we forget that not everyone is elbow deep in code all day, not everyone has been 'with us' for years and while we may talk about things like 'The Halving' we probably don't do the best job at explaining exactly what it is, why it is, what happened last time and what might happen this time.

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Satoshi Nakamoto's email address [email protected] appairs compromised

BCLogoSatoshi Nakamoto, much revered and currently missing inventor of bitcoin seems to have had his email address compromised by an unknown agent.

You may or not remember, Satoshi  exclusively used one email address when he was active in the bitcoin community,  [email protected]  If you have a look at ...

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New Zealand Exchange Bitnz.com hacked, 39 bitcoin stolen.

BCLogoNew Zealand bitcoin exchange site bitnz.com has been taken by the administrator leaving the message "bitnz.com under maintenance.  Apologies for the inconvenience (contact(at)bitnz.com).".

It seems that last monday at 3am New Zealand time 39 bitcoins were transferred from the exchange by an unknown party.

Bitnz ...

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13th Million Bitcoin Mined

BCLogoIt is in truth a minor milestone but for those who like "large whole numbers" block 310001 has just been mined by Ghash.IO pushing the total amount of bitcoin to 13,000,000.

That means that there only another 8 million to be mined over the next 140 years ...

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