vlees
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 12:31:22 PM |
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Hmmm, just for statistical analysis I threw the dice 1000 times and this is the outcome (with >50.50 as winning operator):
Won 494 times, lost 506 times. Ok, seems fair with a win-rate of 49.5% but, the average rolled number is 49.31007. After 1000 spins I would've expected this to be closer to 50, but whatever. This analysis took 2 minutes which shows that the server is definitely faster now.
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Zaih
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 12:42:54 PM |
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Hmmm, just for statistical analysis I threw the dice 1000 times and this is the outcome (with >50.50 as winning operator):
Won 494 times, lost 506 times. Ok, seems fair with a win-rate of 49.5% but, the average rolled number is 49.31007. After 1000 spins I would've expected this to be closer to 50, but whatever. This analysis took 2 minutes which shows that the server is definitely faster now.
Hmm. Would you be able to do a simulation like that and print every roll? Then post on pastebin or something with every roll as a new line? That'd be cool to see. Maybe there's patterns in the random. I heard Vink uses pre rolls a lot.
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vlees
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 12:53:17 PM |
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The outcome is based on the SHA256 from a long string. It is safe to assume that there is no pattern in there. But I can do so in a few mins/hours I guess.
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Zaih
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 01:08:16 PM |
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The outcome is based on the SHA256 from a long string. It is safe to assume that there is no pattern in there. But I can do so in a few mins/hours I guess.
" To verify your provably fair bet, simply take the sha1 hash of our secret with the client seed and server seed (In the order: Secret, server seed, client seed). Take the first 8 digits of the new sha1 hash and convert it from hex to decimal. You will then need to divide by 42949672.95 [Which is ((2^16)-1)/100] in order to get a 0-100 base 10 numeric value. This value will have been the roll. " Does that make a difference?
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vlees
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 01:14:00 PM Last edit: May 23, 2013, 01:34:53 PM by vlees |
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take the sha1 hash
You are right, it's SHA1, even though it is to some extent predictable, doing so is still unfeasible to do so in this case. To read more about why SHA1 is usually bad: http://www.schneier.com/blog/archives/2005/02/sha1_broken.htmlAlso currently sampling the data for you. EDIT: 2827 bets, semi-colon separated. For all bets I picked >50.50 as winning parameter and the client seed was set to 0. First column: WIN/LOSS Second column: The roll-outcome Third column: Server seed used for calculation http://pastebin.com/1kvzeGtZAverage roll number: 50.04464803678808
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Zaih
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 01:43:49 PM |
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take the sha1 hash
You are right, it's SHA1, even though it is to some extent predictable, doing so is still unfeasible to do so in this case. To read more about why SHA1 is usually bad: http://www.schneier.com/blog/archives/2005/02/sha1_broken.htmlAlso currently sampling the data for you. EDIT: 2827 bets, semi-colon separated. For all bets I picked >50.50 as winning parameter and the client seed was set to 0. First column: WIN/LOSS Second column: The roll-outcome Third column: Server seed used for calculation http://pastebin.com/1kvzeGtZAverage roll number: 50.04464803678808 Thanks!
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joker_josue
Legendary
Online
Activity: 1764
Merit: 4808
**In BTC since 2013**
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May 23, 2013, 02:20:50 PM |
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Of course it will be hard to be a pattern because all games that work this way, could be addicted. I will analyze this file. Thank you. With so many betting, does anyone could give me some coins for me to play? ![Roll Eyes](https://bitcointalk.org/Smileys/default/rolleyes.gif)
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hasher87
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 02:26:10 PM |
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User: Zaihed Free coins are free.. right ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) Hey all, We've updated again, this time rolls should be fixed completely! On my connection they're taking a little under 0.5 seconds. It may be a little slower depending on your internet. This should make playing with PrimeDice a lot more enjoyable since we all know how annoying lag is. Thanks for waiting, I deposited 0.01 to your account Zaih btw. Seems you were only one who posted their username/bet id/account id, reminder to all to set a unique username for themselves.. Thanks for waiting! can i have a free coin as well? User: Shah ![Grin](https://bitcointalk.org/Smileys/default/grin.gif)
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vlees
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 02:39:45 PM |
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Small analysis of the data above:
After 1: 25.04% win vs 24.94% loss: 49.98% win chance After 2: 25.33% win vs 24.66% loss: 49.98% win chance After 3: 24.83% win vs 25.11% loss: 49.95% win chance After 4: 25.89% win vs 24.05% loss: 49.95% win chance After 5: 25.4% win vs 24.51% loss: 49.91% win chance After 6: 25.36% win vs 24.58% loss: 49.95% win chance After 7: 25.33% win vs 24.66% loss: 49.98% win chance After 8: 24.73% win vs 25.29% loss: 50.02% win chance After 9: 25.01% win vs 25.01% loss: 50.02% win chance After 10: 24.73% win vs 25.26% loss: 49.98% win chance After 11: 25.01% win vs 24.94% loss: 49.95% win chance After 12: 25.29% win vs 24.62% loss: 49.91% win chance After 13: 25.26% win vs 24.62% loss: 49.88% win chance After 14: 25.29% win vs 24.62% loss: 49.91% win chance After 15: 24.66% win vs 25.26% loss: 49.91% win chance After 16: 24.66% win vs 25.29% loss: 49.95% win chance After 17: 25.61% win vs 24.3% loss: 49.91% win chance After 18: 25.47% win vs 24.41% loss: 49.88% win chance After 19: 25.19% win vs 24.69% loss: 49.88% win chance After 20: 25.01% win vs 24.9% loss: 49.91% win chance
How to read? So, you have won the last round, you want to know what the chance of winning after 5 spins is. So in the row: After 5, you see it's 25.4%. Was your last round a loss, then after 5 it will be 24.51%.
(this is done with winning with 50.00 and higher).
What does this show? Nothing, it's random.
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joker_josue
Legendary
Online
Activity: 1764
Merit: 4808
**In BTC since 2013**
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May 23, 2013, 02:44:10 PM |
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EDIT: 2827 bets, semi-colon separated. For all bets I picked >50.50 as winning parameter and the client seed was set to 0. First column: WIN/LOSS Second column: The roll-outcome Third column: Server seed used for calculation http://pastebin.com/1kvzeGtZAverage roll number: 50.04464803678808 I did an analysis very quickly, and can conclude: When the SHA1 is 15 to 23 characters, the probability of a victory is greater over 50.50. When have 16, 17, 20 and 27 characters, the probability of being a win is greater below 50.50. This does not mean anything, but it gets the note.
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vlees
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 02:51:36 PM |
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Also some random data which does not say anything at all: at a distance of 472 spins there is always a win in my data.
Why is this useless? There were other spins inbetween.
To complete the post above me:
hash-length: average number rolled 15: 54.120054054054 16: 51.2192 17: 50.179170984456 18: 48.816395348837 19: 52.845977011494 20: 45.63138121547 21: 48.448666666667 22: 52.210787878788 23: 50.801513513513 24: 50.751578947368 25: 49.8788 26: 48.504971428571 27: 47.38226519337 28: 50.687590361446 29: 47.8068 30: 51.374390243902
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joker_josue
Legendary
Online
Activity: 1764
Merit: 4808
**In BTC since 2013**
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May 23, 2013, 03:04:34 PM |
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Another note: When the SHA1 starts with "3" are 56% of wins above 50.50
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Boelens
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 03:25:25 PM |
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User: Zaihed Free coins are free.. right ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) Hey all, We've updated again, this time rolls should be fixed completely! On my connection they're taking a little under 0.5 seconds. It may be a little slower depending on your internet. This should make playing with PrimeDice a lot more enjoyable since we all know how annoying lag is. Thanks for waiting, I deposited 0.01 to your account Zaih btw. Seems you were only one who posted their username/bet id/account id, reminder to all to set a unique username for themselves.. Thanks for waiting! Oh, never saw the post stating that. My name is Boelens if you're still up for it =P.
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vlees
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
May 23, 2013, 04:18:47 PM Last edit: May 23, 2013, 04:32:37 PM by vlees |
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Got a sample of 10000 bets. Everything goes more towards the 50% so it's safe to say you can't get any useful results out of this at all.
first char of seed: average result 0: 49.080218408736 a: 48.701245791246 b: 49.849823717949 c: 49.888300153139 d: 49.371416666667 e: 50.917332317073 f: 49.339418803419 1: 51.733227848101 2: 49.121016949153 3: 51.416147260274 4: 52.11574500768 5: 48.82887254902 6: 49.755745682889 7: 52.135947204969 8: 49.58690515807 9: 50.77830455259
seed length (character count):average result 15: 51.61267496112 16: 48.760823699422 17: 51.207788161994 18: 48.414152139461 19: 51.505313531353 20: 48.237534456355 21: 49.627721943049 22: 51.495929054054 23: 50.0434375 24: 49.0425 25: 50.176607717042 26: 50.311447811448 27: 49.464100156495 28: 51.805440677966 29: 50.097420382166 30: 51.328808446456
and a last one: the chance of the next outcome being the same as the current outcome (win with 50.00 or higher):
1. 25.06% 2. 12.81% 3. 6.27% 4. 3.14% 5. 1.59% 6. 0.69% 7. 0.32% 8. 0.17% 9. 0.08% 10. 0.03% 11. 0.02% Opposite: 49.82%
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joker_josue
Legendary
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May 23, 2013, 05:06:16 PM |
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the variables are endless ... is difficult to find a pattern
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joker_josue
Legendary
Online
Activity: 1764
Merit: 4808
**In BTC since 2013**
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May 23, 2013, 05:10:04 PM |
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What was your balance when you left it overnight? Also, do you have your ID? I did not deposit and then played ... so it should be 0.0001 btc My problem is that I do not remember what my ID ... ![Undecided](https://bitcointalk.org/Smileys/default/undecided.gif) Feel free to put in a new address and make a new account. I'd be happy to credit you a corresponding amount. Thank you. I have created a new account. BTC Address: 1HLWN3sdTc2gnzQrsk5tF1ysjwmGynFNSd ID Game: 26e338fe6f1d3ffe020f711b45c4be69 Just to inform you that due to the situation that said I had, was reimbursed by the PrimeDice! Thank you! I'll have fun in the game.
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Saitekman12345
Newbie
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May 23, 2013, 05:51:32 PM |
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I won BTC and cashed out but it hasn't shown up in my Blockchain wallet yet?
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Stunna (OP)
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Primedice.com, Stake.com
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May 23, 2013, 06:11:28 PM |
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I won BTC and cashed out but it hasn't shown up in my Blockchain wallet yet?
You should receive it as soon as your deposit reaches the proper number of confirmations. If it does not please inbox me.
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dooglus
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May 23, 2013, 08:31:10 PM |
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You will then need to divide by 42949672.95 [Which is ((2^16)-1)/100]
It still says that? 2^16 = 65536. It should say 32 not 16. I reported this error quite some time ago.
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Just-Dice | ██ ██████████ ██████████████████ ██████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████ ██████████████ ██████ | Play or Invest | ██ ██████████ ██████████████████ ██████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████ ██████████████ ██████ | 1% House Edge |
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dooglus
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May 23, 2013, 09:25:55 PM |
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I just played a few rolls to see how fast it plays now, and I have to say it's much better. My Internet speed here is horrible, but I still get my rolls done about as quickly as I can do anything else online.
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Just-Dice | ██ ██████████ ██████████████████ ██████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████ ██████████████ ██████ | Play or Invest | ██ ██████████ ██████████████████ ██████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████████████ ██████████████████████ ██████████████ ██████ | 1% House Edge |
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