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Topic: [ANN][EAC] EarthCoin *SEEKING NEW EXCHANGES - HUGE VOLUMES BEING MISSED! - page 186. (Read 840369 times)

full member
Activity: 224
Merit: 100
doesnt EAC diff retarget every block? 60sec.

seems the gravity well does the same thing. retarget every block.

You are right, my bad Tongue

So we just have to deal with multipools.
sr. member
Activity: 294
Merit: 250
doesnt EAC diff retarget every block? 60sec.

seems the gravity well does the same thing. retarget every block.
sr. member
Activity: 285
Merit: 251
EAC DEV's please look into implementing MegaCoin's Kimoto Gravity Well, a bunch of other coins have implemented this.
Thanks for the link, great read. Hope the devs are willing to look into this before mp starts messing things up

It will not fix the problem.
Even the kimoto gravity well cannot handle x5-x10 hashrate change from one block to another.

As I said in my previous post, the current algo is ok to react to hashrate change (but not the most optimal), but no algo can perfectly set the diff to match the current hashrate in less than maybe 10 blocks, because of the inherent block time variability.
If the net hashrate for block N is say 20GH/s, and for the next block NT+1 it drops to 2 GH/s, you can't divide by 10 the difficulty easily.
With 20GH/s it can take 5mn to find a block, and then with the same diff, it can also take 5mn to find a block with 2GH/s. It's just not very probable to happen frequently.

The daemon cannot know what's the current real hashrate, it can only estimate it from the last N block found time.
But even if the algo could go to the perfect diff in only 5 blocks, if the hashrate was divided by 10, then you can wait 30mn for 5 blocks.


full member
Activity: 183
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full member
Activity: 183
Merit: 100
full member
Activity: 224
Merit: 100
Congrats on page 400 earthcoin!  Grin

It is a coin that deserves it Grin
Ait
full member
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Congrats on page 400 earthcoin!  Grin
sr. member
Activity: 389
Merit: 250


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US
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./cgminer -o stratum+tcp://us.coinium.org:3335 -u WORKER -p PASS --failover-only -o stratum+tcp://eu.coinium.org:3335 -u WORKER -p PASS --scrypt -I 13

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hero member
Activity: 821
Merit: 1000
EAC DEV's please look into implementing MegaCoin's Kimoto Gravity Well, a bunch of other coins have implemented this.

Nice. I see we are not the first to suffer from this and a good solution is available.
full member
Activity: 224
Merit: 100
EAC DEV's please look into implementing MegaCoin's Kimoto Gravity Well, a bunch of other coins have implemented this.

Everyone at klondike loved it. All problems have a solution and kimoto is the solution to multipools and the problem they cause.
sr. member
Activity: 308
Merit: 250
EAC DEV's please look into implementing MegaCoin's Kimoto Gravity Well, a bunch of other coins have implemented this.
sr. member
Activity: 285
Merit: 251
Honestly *if* a pool is deliberately r*ping the EAC difficulty (and proven) then whilst I know this goes against what Crypto Currency stands for as a community we should respond. Surely we have a responsibility to ensure the integrity of the Coin.

1. Increase NetHash so that said Pool can not have such an affect... How do we attract more miners?

2. Kindly ask them to stop and if it continues....
3. Firewall said Pools IP/IPs from the Nodes (someone with more technical understanding of wallet communication with nodes will need to chime in here).

My two cents...

That's not the multipools that should change, but the coin itself. It should be designed to avoid this kind of diff spikes, or simply being able to quickly retarget.
I though it was already the case tbh. I didn't look the code to check how its supposed to behave.

Edit : Just looked at the code. Formula retargets at each block with (29*60 + 2*last_block_time) / (31*60)
It should be ok, but it's true that if the network jumps from 2GH/s to 15GH/s for a few minutes, this will take a long time to down retarget correctly.
I don't think there's anyway to avoid this kind of behavior, block time being already greatly disparate.
Maybe an exponential moving average over the last few blocks with the already present moving average could help a little by making it more reactive, at the cost of having a difficulty a little less stable.
hero member
Activity: 821
Merit: 1000
Honestly *if* a pool is deliberately r*ping the EAC difficulty (and proven) then whilst I know this goes against what Crypto Currency stands for as a community we should respond. Surely we have a responsibility to ensure the integrity of the Coin.

1. Increase NetHash so that said Pool can not have such an affect... How do we attract more miners?

2. Kindly ask them to stop and if it continues....
3. Firewall said Pools IP/IPs from the Nodes (someone with more technical understanding of wallet communication with nodes will need to chime in here).

My two cents...
full member
Activity: 140
Merit: 100
Compare this to the swings in difficulty: [Suspicious link removed]/stats/  Angry
hashco . ws/stats/

This is bad news for small dedicated eac miners/pools, they profit in small 8-12min windows, and leave us with the high diff.
As soon as its back around 25 they jump in again.

For now multipool only spends about 1% of there time on EAC but worry what will happen if they start to do the same

Hashcows doesn't affect the difficult too much or too often. They actually have some respect for where, when, and how long they mine any given coin.

Middlecoin is the real culprit. They have over 15x the hashrate of Hashcows, and swoop in every few minutes to rape earthcoin from 32 diff to 50 in just 30 seconds. Its super profitable for them to do this, since if the net hashrate adjusted instantly and they left, we would not likely find a block for days or more. They then get a whole bunch of blocks as if they were mining at 8 diff or less.

To be honest, there are too many valuable alternatives to earthcoin right now. In the name depot, we have worldcoin and globalcoin, now earthcoin. MC has made it worthless to mine to the point of no enjoyment had in doing so, hurting the very people who initially build an altcoin. I think I may be good on this...I can't get into it anymore.  Sad
full member
Activity: 140
Merit: 100
full member
Activity: 224
Merit: 100
Compare this to the swings in difficulty: [Suspicious link removed]/stats/  Angry
hashco . ws/stats/

This is bad news for small dedicated eac miners/pools, they profit in small 8-12min windows, and leave us with the high diff.
As soon as its back around 25 they jump in again.

For now multipool only spends about 1% of there time on EAC but worry what will happen if they start to do the same

Uch, multipools. For lazy miners only.
sr. member
Activity: 285
Merit: 251
EarthCoin is boring right now. Nothing's happening when a lot of other coins have big market changes right now.
That's expected, promised dev are not here yet. But if the new exchange letting people exchange EAC for $ is a reality, and half of the other developments in the op become a reality too, its current value car increase ten fold. Hell, even a hundred fold.

The problem is the guy constantly putting a big buy wall at 160-170 to avoid any crash, and setting an artificial price for this market.
But that may be intended to avoid any big player to pump it in an unexpected way.
If EAC was at 50 satoshi, some guys could buy it en masse for a few hundred millions over a few weeks, then decide to pump it like moon recently.
By putting a buy wall at 160-170 satoshi, you're avoiding this risk.
sr. member
Activity: 308
Merit: 250
legendary
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Address: 1J6rsTeDHUiiYUWax3ezuApSN196VV8oQD

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November 19, 2014
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