Graet (OP)
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December 18, 2012, 11:13:44 AM Last edit: December 28, 2012, 04:16:12 AM by Graet |
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Pay On TargetIn an effort to bring some fun back to mining and offer a high variance reward system to those that like a gamble. You get more for shares of higher difficulty, meaning you get a big reward if you're the block finder. We are offering a unique NEW payout system: Pay On Target where higher value shares are paid at a higher value following this formula [(1-a)/(1-a*wd^(1-a)*X^(a-1))]*(wd*B/D)*(min(X,sd)/wd)^a
where B = Block reward - Pool fee D = current difficulty X = cap, currently 5*DNEWwork difficulty = difficulty pool sends to miner (see variable difficulty) share difficulty = difficulty or target of share submitted to pool after hashing a = a variable currently set to 0.8 but share value will be capped at 5*D Pay On Target Pool fee will be set at 2% NEWAs always over time everything should even out to a 98% PPS rate BUT there isn't much time till GPUs become unviable, it is possible to come out ahead if you are lucky. So I will ask "do you feel lucky? well do ya?" IMPORTANT: POT will only be available on stratum servers.You WILL make a loss if attempting to mine on getwork/ecoinpool serversStratum mining node addresses listed on "Worker" page on site. This is a Per Account setting - if you want to split miners over payout methods feel free to make a second account Set Pay on Target radio button on User Account -> Pool Options Who to blameckolivas/conman for the idea organofcorti and Meni Rosenfeld for help and advice on the more technical aspects and formula. Blaksmith for coding it Thanks for the help guys, much appreciated ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) Me for thinking it could be fun, give our stratum servers a good loadtest and attract some miners to Ozcoin. Please consider this an initial trial period, we have done many simulations but reserve the right to change parameters. Please check this thread for updates regularly. Once the trial period is over no further adjustments should be needed ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) Best wishes and best of luck to all. Graet POT calculator, thanks to kano http://tradebtc.net/potcalc.phpNote: No Merged Mining available on Stratum servers
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-ck
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Ruu \o/
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December 18, 2012, 11:14:05 AM Last edit: December 26, 2012, 12:10:26 AM by ckolivas |
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A lot of this idea came out of the fact that people feel cheated if they're the block finder and get no more than any other share for submitting it, and that now that cgminer scrolls difficulty, people constantly ask "so are the higher shares worth more?". It also acts as a disincentive to people acting maliciously performing what's known as a withholding attack by not submitting the block solve. It also adds an incentive to people mining on the fringe of profitability that they might actually make a profit if their hardware is the one that is lucky at that time. Ultimately, it's just gambling and over the very long term leads to the same rewards as PPS, but you never know your luck...
Here's an example: [2012-12-18 22:52:10] Accepted 0000aa69 Diff 98.5K/1 GPU 1 pool 0 That share was worth 0.01435750 BTC where the current PPS rate is 0.00000712, meaning that one share was worth more than 2000 shares. On the other hand, diff 1 shares are worth 1/5th of what the going PPS rate is.
Note that in cgminer, up to and including version 2.10.2, the "best share" value may be wrong whereas the per-share statistic is accurate. This should be fixed from 2.10.3 onwards.
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Developer/maintainer for cgminer, ckpool/ckproxy, and the -ck kernel 2% Fee Solo mining at solo.ckpool.org -ck
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kano
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Linux since 1997 RedHat 4
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December 18, 2012, 11:18:45 AM Last edit: December 18, 2012, 11:59:33 AM by kano |
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I've been mining on it for 50 minutes and got a 51.7K/8 share in the first 6 minutes ![Cheesy](https://bitcointalk.org/Smileys/default/cheesy.gif) Edit: Correction ![Sad](https://bitcointalk.org/Smileys/default/sad.gif) not 51.7K/8 - it was 2.25K/8 ... but still good ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
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Wave
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December 18, 2012, 12:12:08 PM |
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I'm in with my 1.21 Jiggawatts for a spin, what the heck ;-)
-Wave
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John (John K.)
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December 18, 2012, 12:17:32 PM |
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Awesome! ![Grin](https://bitcointalk.org/Smileys/default/grin.gif)
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Meni Rosenfeld
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December 18, 2012, 12:36:20 PM Last edit: December 19, 2012, 12:16:06 PM by Meni Rosenfeld |
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high variance reward system
That is an understatement. With a=0.8 (or any a>0.5) the variance is infinite. Greater than the variance of solo mining. The distribution will be quite different though, you'll have a high chance to get moderate rewards, and a small chance to get very high rewards. The variance quickly goes down when decreasing a past 0.5, though. To get the variance to be less than solo variance, you need a < D / (2D + work_difficulty). Edit: should be a < 1/2 - wd/(8D) (approximately). A lot of this idea came out of the fact that people feel cheated if they're the block finder and get no more than any other share for submitting it, ... It also acts as a disincentive to people acting maliciously performing what's known as a withholding attack by not submitting the block solve.
The goals should be clarified because this is a very ineffective way to solve these problems. You could do the standard method of block finding fee, but it greatly increases the variance.
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John (John K.)
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December 18, 2012, 12:40:00 PM |
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high variance reward system
That is an understatement. With a=0.8 (or any a>0.5) the variance is infinite. Greater than the variance of solo mining. The distribution will be quite different though, you'll have a high chance to get moderate rewards, and a small chance to get very high rewards. The variance quickly goes down when decreasing a past 0.5, though. To get the variance to be less than solo variance, you need a < D / (2D + work_difficulty). A lot of this idea came out of the fact that people feel cheated if they're the block finder and get no more than any other share for submitting it, ... It also acts as a disincentive to people acting maliciously performing what's known as a withholding attack by not submitting the block solve.
The goals should be clarified because this is a very ineffective way to solve this problem. You could do the standard method of block finding fee, but it greatly increases the variance. Correct me if I'm wrong (which I think I am ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) ), but won't the payouts be substantially more for previous PPS users on the pool? Previously, we get paid a fixed fee per share no matter how high the difficulty is, but now we get paid the fixed fee + extra stipend based on the difficulty. I do agree on the high variance though.
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Wave
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December 18, 2012, 12:56:07 PM |
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Feedback - On the POT stats page we need per share price. I'm going to track every hour for a bit, but that would be nice. I have been tracking more frequently for now. Way over PPS, way under, and now trending slightly under. Figure I'll run it 24 hours and see what the luck shows.
-Wave
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Meni Rosenfeld
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December 18, 2012, 12:57:29 PM Last edit: December 18, 2012, 01:08:45 PM by Meni Rosenfeld |
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high variance reward system
That is an understatement. With a=0.8 (or any a>0.5) the variance is infinite. Greater than the variance of solo mining. The distribution will be quite different though, you'll have a high chance to get moderate rewards, and a small chance to get very high rewards. The variance quickly goes down when decreasing a past 0.5, though. To get the variance to be less than solo variance, you need a < D / (2D + work_difficulty). A lot of this idea came out of the fact that people feel cheated if they're the block finder and get no more than any other share for submitting it, ... It also acts as a disincentive to people acting maliciously performing what's known as a withholding attack by not submitting the block solve.
The goals should be clarified because this is a very ineffective way to solve this problem. You could do the standard method of block finding fee, but it greatly increases the variance. Correct me if I'm wrong (which I think I am ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) ), but won't the payouts be substantially more for previous PPS users on the pool? Previously, we get paid a fixed fee per share no matter how high the difficulty is, but now we get paid the fixed fee + extra stipend based on the difficulty. I do agree on the high variance though. It's not plus, it's instead. Note the (1-a) term in the payout formula; it means that for a share that is just barely valid (share_difficulty = work_difficulty) you would get just 20% of the normal payout (with a=0.8 ), and you'd need the share to be much more difficult than that to get near the normal payment. On the flip side, if your share happens to be very difficult, you could get for it more than the entire block reward. This poses high variance for the pool, not just the miners. I don't think 3% fee will cut it. Maybe a=0.4 will be better.
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John (John K.)
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December 18, 2012, 01:01:03 PM |
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high variance reward system
That is an understatement. With a=0.8 (or any a>0.5) the variance is infinite. Greater than the variance of solo mining. The distribution will be quite different though, you'll have a high chance to get moderate rewards, and a small chance to get very high rewards. The variance quickly goes down when decreasing a past 0.5, though. To get the variance to be less than solo variance, you need a < D / (2D + work_difficulty). A lot of this idea came out of the fact that people feel cheated if they're the block finder and get no more than any other share for submitting it, ... It also acts as a disincentive to people acting maliciously performing what's known as a withholding attack by not submitting the block solve.
The goals should be clarified because this is a very ineffective way to solve this problem. You could do the standard method of block finding fee, but it greatly increases the variance. Correct me if I'm wrong (which I think I am ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) ), but won't the payouts be substantially more for previous PPS users on the pool? Previously, we get paid a fixed fee per share no matter how high the difficulty is, but now we get paid the fixed fee + extra stipend based on the difficulty. I do agree on the high variance though. It's note plus, it's instead. Note the (1-a) term in the payout formula; it means that for a share that is just barely valid (share_difficulty = work_difficulty) you would get just 20% of the normal payout (with a=0.8 ), and you'd need the share to be much more difficult than that to get near the normal payment. On the flip side, if your share happens to be very difficult, you could get for it more than the entire block reward. This poses high variance for the pool, not just the miners. I don't think 3% fee will cut it. Maybe a=0.4 will be better. Oops, didn't notice the (1-a). Now this would be like a lower variance solo mining, where you can end up getting ~20% of your regular PPS income to a lot more. Seems to be better than solo when you could end up with 0 though.
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John (John K.)
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December 18, 2012, 01:05:19 PM |
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Feedback - On the POT stats page we need per share price. I'm going to track every hour for a bit, but that would be nice. I have been tracking more frequently for now. Way over PPS, way under, and now trending slightly under. Figure I'll run it 24 hours and see what the luck shows.
-Wave
That'll be the 3% fee PPS rate, but depending on the share difficulty you submit. Man I'm hoping that I get more 300k shares like the one I got a couple days ago. ![Grin](https://bitcointalk.org/Smileys/default/grin.gif)
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K1773R
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December 18, 2012, 01:05:43 PM |
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well this seems ot be the fairest payout system so far (no its not gambling, ur getting payed for ur work and not proportional/similiar), gl with it ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
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[GPG Public Key]BTC/DVC/TRC/FRC: 1 K1773RbXRZVRQSSXe9N6N2MUFERvrdu6y ANC/XPM A K1773RTmRKtvbKBCrUu95UQg5iegrqyeA NMC: N K1773Rzv8b4ugmCgX789PbjewA9fL9Dy1 LTC: L Ki773RBuPepQH8E6Zb1ponoCvgbU7hHmd EMC: E K1773RxUes1HX1YAGMZ1xVYBBRUCqfDoF BQC: b K1773R1APJz4yTgRkmdKQhjhiMyQpJgfN
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John (John K.)
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December 18, 2012, 01:10:25 PM |
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I guess I'm down under if the average share is below 5. Is that correct? ![Huh](https://bitcointalk.org/Smileys/default/huh.gif)
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Wave
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December 18, 2012, 01:11:23 PM |
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Yup, understood. But curious about trending. I hear you on the share! My last block solve was a 40M diff share! Let me figure the payoff on that one...
-Wave
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Graet (OP)
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December 18, 2012, 01:15:55 PM Last edit: December 18, 2012, 01:35:49 PM by Graet |
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Please consider this an initial trial period, we have done many simulations but reserve the right to change parameters. Please check this thread for updates regularly. Once the trial period is over no further adjustments should be needed ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) Sounds like we need to invoke this and reduce "a" edited 1st post with some a = 0.5 samples
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DutchBrat
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December 18, 2012, 01:19:53 PM |
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Can I use Hashpower.com on Stratum servers yet ? That would be like gambling to the power of 10 !!! I like it ![Grin](https://bitcointalk.org/Smileys/default/grin.gif)
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Wave
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December 18, 2012, 01:22:52 PM |
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I guess I'm down under if the average share is below 5. Is that correct? ![Huh](https://bitcointalk.org/Smileys/default/huh.gif) Does not appear that way: I'm at 5021 shares, avg/ Dif 10.938 and payout is 0.03173515, or per share of 0.00000632. -Wave
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JWU42
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December 18, 2012, 01:25:54 PM |
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Jump off PoT and then hit a 143K share ![Undecided](https://bitcointalk.org/Smileys/default/undecided.gif)
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DutchBrat
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December 18, 2012, 01:26:21 PM |
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Jump off PoT and then hit a 143K share ![Undecided](https://bitcointalk.org/Smileys/default/undecided.gif) The system is rigged I tell ya... Rigged !!! ![Wink](https://bitcointalk.org/Smileys/default/wink.gif)
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Graet (OP)
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December 18, 2012, 01:38:42 PM |
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Moving to a = 0.5 while i look at more figures ![Cheesy](https://bitcointalk.org/Smileys/default/cheesy.gif) and 4% fee on advice
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