crudpuppy (OP)
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November 03, 2013, 06:42:10 AM Last edit: November 06, 2013, 01:36:15 AM by crudpuppy |
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New Site to gamble on! http://www.infinifire.com/guessthecard/Currently only supporting guess the suit and for small amounts from .001 to .01 Implemented - Guess the suit for 4x payout Send to addresses on page and after 5 confirms it picks it up and pulls a random card if it matches the suit you win. Planned - Guess the Face Value(IE 8 or Jack) for x payout Guess the Exact Card for x payout Currently only doing small bets .001 to .01 to make sure there are no issues for a bit. I sent a few transactions over to it myself to make sure all working but you never know! ANY Issues PM me or preferred use contact form on the website be sure to mention TX id or whatever you have available to help me track down any issues. If you have any suggestions feel free to contact me or comment on this thread! http://www.infinifire.com/guessthecard/NOW Provably fair see http://www.infinifire.com/guessthecard/about-us/ for details.
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b!z
Legendary
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Activity: 1582
Merit: 1010
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November 03, 2013, 06:58:40 AM |
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Suggestion: Fix the "card drawn" images. They are stretched out.
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Shallow
Sr. Member
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Activity: 938
Merit: 255
SmartFi - EARN, LEND & TRADE
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November 03, 2013, 07:06:03 AM |
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Is there provably fair?
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crudpuppy (OP)
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November 03, 2013, 02:05:53 PM |
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Had a few people make some bets since post. Looks like bitcoind is having trouble getting input transaction info for 1 of the 3 so don't bet for now. the 2 that registered ok 1 of which won! Grats to whomever you are...hehe
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crudpuppy (OP)
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November 03, 2013, 02:56:45 PM |
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Is there provably fair?
I'm currently not using any fixed number to generate the random card that can be shown for provably fair. It is just using a rand call to draw the card. I had thought about shuffling deck and grabing top but would be more prone to repeats and thus less random. provably fair just means that the number used to generate your outcome is shown to you so you can see how it was gotten is all.
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drpepperyummy
Newbie
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Activity: 28
Merit: 0
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November 03, 2013, 02:59:03 PM |
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2x payout for 25% chance?
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crudpuppy (OP)
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November 04, 2013, 02:35:24 AM |
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Suggestion: Fix the "card drawn" images. They are stretched out.
Can you explain a little better? I'm a developer and not a designer...technically they are shrunk from actual size to fit the page better. This is via the img tag height/width which I kept proportional.
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crudpuppy (OP)
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November 04, 2013, 02:36:16 AM |
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2x payout for 25% chance?
For now yes. thinking about jacking ti to 3x and also maybe adding jokers in deck for some sorta special bonus win like joker wins your bet back + last 5 bets or something.
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crudpuppy (OP)
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November 04, 2013, 03:32:58 AM |
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To appease the masses that I'm not cheating here I made this provably fair http://www.infinifire.com/guessthecard/about-us/Show the details about where to see the seed used and how to calculate the card NOTE: These will only show on from now forward guesses as previous guesses were just based on a simple PHP rand which is actually more random then any way that can be provably fair.
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xetsr
Legendary
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Activity: 1120
Merit: 1000
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November 04, 2013, 05:20:11 AM |
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2x payout for 25% chance?
For now yes. thinking about jacking ti to 3x and also maybe adding jokers in deck for some sorta special bonus win like joker wins your bet back + last 5 bets or something. You won't get many people playing at those odds. Why play at your site when they can go to some dice or similar site and get close to 4x?
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joycece
Member
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Activity: 73
Merit: 10
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November 04, 2013, 08:25:57 AM |
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Playing at those odds , no thanks.
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crudpuppy (OP)
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November 05, 2013, 11:21:00 AM |
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Ok, so looked at dice sites looks like if I did this should match odds to win pretty close:
Add the 2 jokers into deck as loosing cards giving you 13/54 ~ 0.2407% chance to win with a 4x payout on win.
Basically matching the small house edge of dice best I can with my setup. Would people play at that?
Oh the site is down for reindex again as I seem to have lost an address in the wallet and with it most the bank :-( Trying to get them back but doubt I will just a little scared to put much BTC in it right now.
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crudpuppy (OP)
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November 05, 2013, 12:17:53 PM |
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Reindex complete site live with new 4x payout on 13/54 guess the suit.
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crudpuppy (OP)
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November 06, 2013, 07:46:49 PM |
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Hmmm had a few transactions when first announced and now that I make the odds better and it provably fair as asked no one wants to bid? lol
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Frz
Newbie
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Activity: 13
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November 06, 2013, 08:03:30 PM |
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It's not provably fair. To make it provably fair you need to show information which will allow players to know that the result of the draw can not be influenced by you before they make a deposit.
A possible implementation is the hash of the random seed (possibly add some salt). You will make people even more happy if you use the incoming transaction id as the client seed in addition.
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crudpuppy (OP)
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November 06, 2013, 08:10:53 PM |
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It's not provably fair. To make it provably fair you need to show information which will allow players to know that the result of the draw can not be influenced by you before they make a deposit.
A possible implementation is the hash of the random seed (possibly add some salt). You will make people even more happy if you use the incoming transaction id as the client seed in addition.
The only way to do what you ask would be to show the cards before hand more or less. Even if I hash the random seed with/without salt I would still just be displaying that to user after the fact. Using the trans ID as the seed might work would need to research a little see exactly where these comes from IE there is no pattern there or the system would basically be exploitable. Random is what random is No good way to be random and at same time not have some part hidden. Else it would be predictable and thus not random anymore.
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crudpuppy (OP)
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November 06, 2013, 08:16:48 PM |
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It's not provably fair. To make it provably fair you need to show information which will allow players to know that the result of the draw can not be influenced by you before they make a deposit.
A possible implementation is the hash of the random seed (possibly add some salt). You will make people even more happy if you use the incoming transaction id as the client seed in addition.
The only way to do what you ask would be to show the cards before hand more or less. Even if I hash the random seed with/without salt I would still just be displaying that to user after the fact. Using the trans ID as the seed might work would need to research a little see exactly where these comes from IE there is no pattern there or the system would basically be exploitable. Random is what random is No good way to be random and at same time not have some part hidden. Else it would be predictable and thus not random anymore. Just looked into it and the TX Id is a hash of the TX which in theory could be built in memory and figured before hand thus basically knowing your outcome before it happens so yeah not doing that.
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Frz
Newbie
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November 06, 2013, 08:42:55 PM |
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Maybe you should look into what all the dice sites are doing it's basically what I described.
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crudpuppy (OP)
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November 06, 2013, 08:57:12 PM |
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Ok, now its provable fair as I use my random plus the transaction ID as the seed. I wont know the transaction ID and you wont know the rand until after so fair to both sides...hehe
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crudpuppy (OP)
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November 06, 2013, 10:14:14 PM |
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just got another player bet .005 won .02 ! congrats
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