I've a question.
Look's like a large private pool is connected to network...
At this time is 1400Mhs network hashrate.
pool.karmacoin.info - 387Mhs
karma.hashstrike.com - 296Mhs
other officially announced at start page ~ 10-20Mhs
Black hole: ~700Mhs
Next.
Block 17840-17845 generated by K7SBPBYDkEPpDqpARgE9xBes7f1FZ6w68Z with total amount of
4869397,001 KARMAs. 811566,1668 average per block. Higher than other pools... Ok...
Some investigations in block explorer...
http://explorer.karmacoin.info/tx/d02563e283e1b438b9d02c19bddcad584fd661384b8346bea625f41df3f936feK7SBPBYDkEPpDqpARgE9xBes7f1FZ6w68Z sent appx 27517929.016 to KUMpz7KSH2ym3XVDFws3YhqapcA26JdQW5
Ok...
Sent, sent and sent...
And voila:
Address KUMpz7KSH2ym3XVDFws3YhqapcA26JdQW5
Details
Balance 2589363996.56565243 KAR
Transactions in 742
Received 6955117377.22357766 KAR
Transactions out 336
Sent 4365753380.65792523 KAR
omg... 2.6 billion... 77btc at 3e-8...
And yes, only K7SBPBYDkEPpDqpARgE9xBes7f1FZ6w68Z sent to KUMpz7KSH2ym3XVDFws3YhqapcA26JdQW5.
May be I'm wrong, but...
And now my question: is it possible 51% attack at KARMA network?add/
From block 18100 to 18143
all blocks with reward > 1mio except one was generated by K7SBPBYDkEPpDqpARgE9xBes7f1FZ6w68Z, and smallest reward was appx 0.65mio.
So lucky )))
That worries me a lot. Someone could enlighten us?
lol that address almost has 16% of all KARM in existence on it lol
Feels like the devs knew the algo and how to highly increase the chances of getting the bonus rewards, or that someone found a way to do so. If it's the devs, it starts to make sense as to why the bonus rewards are so high..
I think dev needs some explaining to do here.
This wouldn't surprise me if it was true.
The algorithm is right there in the source code:
int static generateMTRandom(unsigned int s, int range)
{
random::mt19937 gen(s);
random::uniform_int_distribution<> dist(1, range);
return dist(gen);
}
...
if (maxRand != 0) {
double rand = generateMTRandom(seed, maxRand);
bonus = rand * COIN;
}
return nSubsidy + bonus + nFees;
It's a standard random number generator. They just got lucky with those blocks. As for the devs being involved with that miner.. they're not. I've spoken privately with them about it and they don't know who it is. There's no way to tell who it is, but it's clearly someone who saw a huge opportunity with karmacoin. That 700MH has been there for a LONG time now, and it has STAYED on almost the whole time. They could be mining a lot of other coins with that hash rate, but they're mining karma.
I certainly hope they don't dump all those coin at once, because it would decimate the market... but I think they're smarter than that. If they have 70BTC+ worth at 3 satoshi, they have to be thinking about what is going to happen if it hits some real exchanges.
It is definitely not the dev (my team)! The person (group, multiminer, etc) who has been mining it has a farm with between 700MH to 1GH, and they have been mining it consistently. That is upwards of $1M USD in equipment with an enormous electric bill (probably 40-50K USD). I am basing those estimates on what I pay for 2MH but it should be close. They definitely see a big upside to the coin and the community, as we do as well. Given their scale I don't see why this person would sell now or sell in a hurry (i.e. there is no way they are hurting for cash if they had enough to buy 1M of equipment).
As far as the code and the algorithm, there isn't a way to game it to get more lucky. The source code is here at
https://github.com/karmacoin-team/karmacoin, the file that has the algorithm is src/main.cpp. Also the algorithm is pretty much the same as used by DOGE for the randomness so it's been beat up and proven over the past several months of their existence.
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