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Topic: [ANN] DoubleMyCoins.com! - 50/50 Chance Provably Fair [NEW DESIGN!] (Read 4505 times)

DoubleMyCoins!

member

Activity: 112

Merit: 10

Quote from: Mooshire on June 20, 2013, 11:20:57 PM

Fun site.

Thanks! Dice & slot games are cool, but I wanted to see a game where you choose your own destiny.

The game is provably fair, so the win or loss is between you and fate

More features and promotions are being planned! I'm also considering the Invest option the new site Just-Dice.com from dooglus has... That's a pretty cool idea.

Mooshire

sr. member

Activity: 322

Merit: 250

Fun site.

DoubleMyCoins!

member

Activity: 112

Merit: 10

Update 6/20/13:

Site has a new design, enjoy! http://doublemycoins.com

We've also simplified the provably fair info, which now displays at bottom of page. Also, you can now deposit from any wallet and choose cash out destination!

DoubleMyCoins!

member

Activity: 112

Merit: 10

Quote from: i3lome on May 31, 2013, 07:59:23 PM

Hey brother just got back intown and gave it a shot everything seems to be working fine now. I appreciate you allowing me to get in on the giveaway.
Win Double aces show up, Ace Clubs and Ace Diamonds which is the higher card

Sent .1 BTC!

https://blockchain.info/tx/18f1f5e5eb42484128f4fac157b0ddc515339888613e1e0eff91a57833ed70fc

Now there is only Yurkov for the .1 BTC giveaway. Don't worry everyone more giveaways are planned!

The two Aces always show up. To win you need to pick which side the Red Ace is on. It's a 50/50 chance which is provably fair.

Quote from: ?? on ??

Just doubled $1, will confirm when it pays out.

Nice game!

EDIT: Got the payout, awesome game!

Thanks!

I'm working on a new design as it's BADLY needed LOL

i3lome

full member

Activity: 210

Merit: 100

excuse the dumb which card is higher question. Google is very smart A-Clubs is Higher than A- Diamonds due to Alphabetical Order. Good to know

i3lome

full member

Activity: 210

Merit: 100

DoubleMyCoins!

member

Activity: 112

Merit: 10

Quote from: GamxCharette on May 31, 2013, 04:38:19 PM

Is it possible a more recent pay out than me is paid, and mine pending ?

It's paid now

Sorry about that, I corrected the minor script causing the hang up.

GamxCharette

newbie

Activity: 14

Merit: 0

Is it possible a more recent pay out than me is paid, and mine pending ?

snowcrashed

full member

Activity: 294

Merit: 100

Boelens

hero member

Activity: 672

Merit: 500

Quote from: snowcrashed on May 31, 2013, 03:49:29 PM

Still doing the 0.1 BTC for testing this?

Was said a few pages ago that it was over.

snowcrashed

full member

Activity: 294

Merit: 100

Still doing the 0.1 BTC for testing this? I didn't feel like counting if 10 people have asked for it already or not but I'd like to give this a try.

GamxCharette

newbie

Activity: 14

Merit: 0

Some plays today, i'm raging, i won 0,1 with 0,01 or something like this but lost everything ! fuuu !

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: BigBitz on May 31, 2013, 02:29:25 PM

Quote from: DoubleMyCoins on May 31, 2013, 02:20:22 PM

Quote from: BigBitz on May 31, 2013, 02:13:54 PM

Hmm.

So I put in 0.0995 and found the red ace twice but lost twice? Huh

Checking into it...

Sent you PM.

Replied to PM

The issue was that he didn't know he had to choose a side, that it's not automatic like SatoshiDice/PrimeDice.

I'll make that clearer.

BigBitz

hero member

Activity: 672

Merit: 501

Quote from: DoubleMyCoins on May 31, 2013, 02:20:22 PM

Quote from: BigBitz on May 31, 2013, 02:13:54 PM

Hmm.

So I put in 0.0995 and found the red ace twice but lost twice? Huh

Checking into it...

Sent you PM.

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: BigBitz on May 31, 2013, 02:13:54 PM

Hmm.

So I put in 0.0995 and found the red ace twice but lost twice? Huh

Checking into it...

BigBitz

hero member

Activity: 672

Merit: 501

Hmm.

So I put in 0.0995 and found the red ace twice but lost twice? Huh

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: Lecture on May 31, 2013, 12:48:44 PM

i used this place when i sent btc https://satoshicircle.com/

Then satoshicircle.com got your payment Sad

I sent out another payment to your posted address 17xYsaUPYXx546YKjaHrhGmZkc6WoFrDN5

https://blockchain.info/tx/dbe0dade9ca7cae20ff687bcb9b2fd32032083425e0dc8184666dda558b1eba4

It was my fault for not making the incoming wallet message more obvious. It's updated.

Lecture

member

Activity: 112

Merit: 10

i used this place when i sent btc https://satoshicircle.com/

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: Lecture on May 31, 2013, 12:14:56 AM

This is my wallet address please send it here thanks - 17xYsaUPYXx546YKjaHrhGmZkc6WoFrDN5

I'm trying to figure out why you didn't receive payment. The system did send payment which can be seen here:

https://blockchain.info/tx/e520bb69a0b9df8e0cdae12278b93f971cd969480515ce544d755746a16edba9

Did you use a service like MtGox, which doesn't receive incoming transactions, to deposit coins? I'm trying to see what happened because otherwise anyone can copy info from the payout page and say they didn't get paid. Undecided

Lecture

member

Activity: 112

Merit: 10

This is my wallet address please send it here thanks - 17xYsaUPYXx546YKjaHrhGmZkc6WoFrDN5

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: Lecture on May 30, 2013, 01:04:42 AM

I haven't being paid yet.

5/29/13 17PQBn8qvvQZQ5auVz1yrmEZzTvQzQHHot 13RVCkbcZ7SRMg628jsdETH8V6KsGcTxTU 0.03728143 paid

It says its paid but I haven't gotten anything. Also that isn't my deposit address

How did you send payment? Which wallet did you use?

Yurkov

sr. member

Activity: 1463

Merit: 265

Pepemo.vip

Quote from: DoubleMyCoins on May 29, 2013, 03:06:50 PM

Okay everyone,

The site wallet issue has been fixed and the site is open! Thanks to everyone that helped test!

The giveaway is now closed, but I'll send .1 BTC to the last 3 posters hasher87, i3lome, Yurkov if they play.

Have fun!

I'll play some rounds when I get home

Lecture

member

Activity: 112

Merit: 10

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: DoubleMyCoins on May 29, 2013, 09:34:19 PM

Quote from: hasher87 on May 29, 2013, 09:20:13 PM

received! thanks Grin

Now is there an option to use the funds that i deposited to your game wallet partially? lets say 0.1 deposited, but i only wanna use up 0.005?

I'll look into that. Right now I'm working on a partial cash out feature though.

Actually, I think you're right that a deposit selection amount is better. It's added!

http://img4.imageshack.us/img4/9818/screenshot4le.png

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: hasher87 on May 29, 2013, 09:20:13 PM

received! thanks Grin

Now is there an option to use the funds that i deposited to your game wallet partially? lets say 0.1 deposited, but i only wanna use up 0.005?

I'll look into that. Right now I'm working on a partial cash out feature though.

hasher87

hero member

Activity: 686

Merit: 500

received! thanks Grin

Now is there an option to use the funds that i deposited to your game wallet partially? lets say 0.1 deposited, but i only wanna use up 0.005?

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: hasher87 on May 29, 2013, 07:51:19 PM

Just try out, i had to remotely connect to my pc at home from the office lol

Sent 0.01btc to this address: 1MiQehgZnFxnQJJew5zAHXzp1Yt9UNVERr

My address: 1HaGsG2Fn6qWjpgSHCsbBVAL9jeBMbszGo

Sent .1 BTC, thanks!

https://blockchain.info/tx/004cfeabba2744e447626a05dc6487fe0f0c686b70e881011f7b934e09b06fba

Now just waiting for i3lome and Yurkov lol Grin

I think everyone will like the next giveaway I'm planning, stay tuned... Cheesy

hasher87

hero member

Activity: 686

Merit: 500

Just try out, i had to remotely connect to my pc at home from the office lol

Sent 0.01btc to this address: 1MiQehgZnFxnQJJew5zAHXzp1Yt9UNVERr

My address: 1HaGsG2Fn6qWjpgSHCsbBVAL9jeBMbszGo

Quote

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: Stark-Fujikawa on May 28, 2013, 09:19:49 PM

Oh crap, didn't copy my game hash and closed the window.

No worries. I sent it.

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: Stark-Fujikawa on May 28, 2013, 09:09:47 PM

Sent 0.0011 to 14uYSV6vB4mJppNtZ6dFL64MUjRmNFW5ps (0.006+transfer fee)

Transaction ID: 9fc3feca45aad6376eb97da37887ac54081cff64d69b43ff3ee2171d3f139cf2

My address is 1MJmQBEVs9ESPdXRMCp9iN6T3UHogqRMsS

Game worked fine, although lady luck was not on my side.

Sent .1BTC to 1MJmQBEVs9ESPdXRMCp9iN6T3UHogqRMsS Thanks!

https://blockchain.info/tx/a16511e3ad80c38a7c603a2c74316d3f406a84c61488ea9968df1055cf44508d

Stark-Fujikawa

full member

Activity: 150

Merit: 100

Oh crap, didn't copy my game hash and closed the window.

noelmal

sr. member

Activity: 265

Merit: 250

Quote from: DoubleMyCoins on May 28, 2013, 09:08:02 PM

Quote from: noelmal on May 28, 2013, 09:03:54 PM

played demo lost straight away

my address 14bS9EdfWb3AkM3DeDQ9AJEtKqeKSRvmPZ

lol

Please make a deposit and play a live game for the .1 BTC giveaway.

ok sorry I thought we where using the giveawy to test the game newbie that doesn't have enough to play lol

Stark-Fujikawa

full member

Activity: 150

Merit: 100

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: noelmal on May 28, 2013, 09:03:54 PM

played demo lost straight away

my address 14bS9EdfWb3AkM3DeDQ9AJEtKqeKSRvmPZ

lol

Please make a deposit and play a live game for the .1 BTC giveaway.

noelmal

sr. member

Activity: 265

Merit: 250

played demo lost straight away

my address 14bS9EdfWb3AkM3DeDQ9AJEtKqeKSRvmPZ

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: KingOfSports on May 28, 2013, 08:57:58 PM

How many confirmations does a deposit have to have before a payout is sent? Just wondering. Currently have 2 for my .01 deposit, no .04 sent yet.

It's currently set at 3 confirmations.

KingOfSports

hero member

Activity: 602

Merit: 500

Acc bought - used solely for signature testing

How many confirmations does a deposit have to have before a payout is sent? Just wondering. Currently have 2 for my .01 deposit, no .04 sent yet.

DoubleMyCoins

newbie

Activity: 45

Merit: 0

There are 4 more slots left for the .1 BTC giveaway!

Thanks to everyone helping test. Things are going well!

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: NLNico on May 28, 2013, 08:35:11 PM

Game address:

145LeEmzuvvKRCf7ey7SvbGxJmSaMXect5

My own address:

1Fcn7M1AjgA9RFPm59RqiTCCD6tKKS5vN9

Sent .1 BTC! Thanks

https://blockchain.info/tx/e7a4912b46adcf7d7d3375903681529a6599acaa5e3b89b00998e3591508626c

NLNico

legendary

Activity: 1876

Merit: 1295

DiceSites.com owner

Hash:

26f4869fa0869f1302a23b3ae017ce5636fda97670f3ed6efc0cd6aa9afac82920cac55737b5467 e5bff200df95928d4599513893fe550d960435541186a8c0e

Game address:

145LeEmzuvvKRCf7ey7SvbGxJmSaMXect5

My own address:

1Fcn7M1AjgA9RFPm59RqiTCCD6tKKS5vN9

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: fredtrader on May 28, 2013, 08:18:30 PM

I would like to suggest to add a feature for partial payouts rather than bet all or withdraw all.

I'll look into that. Thanks for the feedback!

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: dorigan22 on May 28, 2013, 08:14:08 PM

Looks interesting, maybe make deposited funds more permanent then a webpage that can't be returned to would help. Feel free to send 0.1 to my address 1CkrM6ZtaSMW9PZjPbNb28KoBvD27hJ173 Grin

Will look in to that.

Sent .1 BTC to 1CkrM6ZtaSMW9PZjPbNb28KoBvD27hJ173

https://blockchain.info/tx/0bb37a041c660b921041ff4377bb290fb48524c90716341964144bd9b56af706

Thanks!

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: firstlast on May 28, 2013, 08:04:24 PM

I deposited 0.0006 to 13bpa7dMsz6heVE52N2AUdutwdfYAebebo

However, when I tried to check the source code, it asked me to reload the page. The exact Chrome message was "Confirm Form Resubmission". So I couldn't check the hash.

My BTC address is: 1Lkpj9syohs9qqLZz34WctfpE3b7CE9tqk

Sent! Thanks

https://blockchain.info/tx/3dfb89061e106d81e51b2236dfb814c79d889224656c2ce4c3c5ffd80623f727

fredtrader

newbie

Activity: 56

Merit: 0

I would like to suggest to add a feature for partial payouts rather than bet all or withdraw all.

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: KingOfSports on May 28, 2013, 08:02:47 PM

Hey I deposited .01 BTC to 13vzAUnSynSPvVDpnmyLh9gJQBbuFD27x3. Won twice

Can you please send my .04 BTC payout to 12U4MN1sNvtjAjVGQMcJKM4Sz3rQxUCWPd. Also can you please send my .1 free to 12U4MN1sNvtjAjVGQMcJKM4Sz3rQxUCWPd. Thanks!

Sent .1 BTC to 12U4MN1sNvtjAjVGQMcJKM4Sz3rQxUCWPd

https://blockchain.info/tx/518a15c805e1e8bef1d12971eca72ead0e59d9ab1f78e72fc483098a46289c96

The system processes cash outs automatically after a few confirms of your deposit, so please be patient for that one.

dorigan22

newbie

Activity: 18

Merit: 0

Well I gave it a shot. I deposited 0.001 from my address 1CkrM6ZtaSMW9PZjPbNb28KoBvD27hJ173 to 13yxnFMGBfMtAkaQobvTX5e5JaGpPBRaZo. I looked at the source code and this came up:

I went with the left card and lost Embarrassed

Oh well!

The page source then displayed this:

Looks interesting, maybe make deposited funds more permanent then a webpage that can't be returned to would help. Feel free to send 0.1 to my address 1CkrM6ZtaSMW9PZjPbNb28KoBvD27hJ173 Grin

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: dooglus on May 28, 2013, 08:00:02 PM

I think that's a great idea.

But you don't need to tell us what random number you got. Just tell us 'left' or 'right', with junk on the end, and hashed.

Then we don't need to worry about a 'secret', how to run hmac, etc. We just put the "left:wklfjslfkhrewg" string the you show after the game into a webpage that offers sha512 to people who don't know how to command line, check that the hash is the same as the one you showed before the game, and you're done.

Good point! I'll simplify it that way. Thanks!

firstlast

full member

Activity: 159

Merit: 100

KingOfSports

hero member

Activity: 602

Merit: 500

Acc bought - used solely for signature testing

Hey I deposited .01 BTC to 13vzAUnSynSPvVDpnmyLh9gJQBbuFD27x3. Won twice

Can you please send my .04 BTC payout to 12U4MN1sNvtjAjVGQMcJKM4Sz3rQxUCWPd. Also can you please send my .1 free to 12U4MN1sNvtjAjVGQMcJKM4Sz3rQxUCWPd. Thanks!

dooglus

legendary

Activity: 2940

Merit: 1333

Quote from: DoubleMyCoins on May 28, 2013, 07:47:05 PM

So I take truly random numbers from random.org to ensure randomness and run them through the system.

Quote from: DoubleMyCoins on May 28, 2013, 07:57:25 PM

Quote from: KingOfSports on May 28, 2013, 07:01:54 PM

Here is the address it wants me to send to, you can credit .1 directly to my account thanks!
13ZY8SsE5HB8Zd8stSpexZiVz8NqJKSUqi

I couldn't find any deposit you made for 13ZY8SsE5HB8Zd8stSpexZiVz8NqJKSUqi

I don't think he's saying he deposited, just that that's the address it gave.

For those who can't find the provably fair info, right-click on the page and select 'view page source' or similar. It's near the top, just after ''. But you have to send coins and wait for the page to update before you get the hash.

fredtrader

newbie

Activity: 56

Merit: 0

Quote from: DoubleMyCoins on May 28, 2013, 07:57:25 PM

Quote from: fredtrader on May 28, 2013, 07:46:35 PM

I deposited 0.001 to try out the game to 13sCVRnMXKh2ZqhsrBo2aJJPaPEzcqxJSR , won once for 0.002 then lost it, not sure where to find the game hash, I would like to take the 0.1 btc offer to address 1ERd9wQz7pJ2S4EedrMLQoSbivPpZh8gCD

Sent .1 BTC to 1ERd9wQz7pJ2S4EedrMLQoSbivPpZh8gCD

Thanks!

Received thanks https://blockchain.info/tx/0522f7cebdf2d377fcab1df790cbaccf6138f05296108f7d638c6693608c15eb

I'll try another bet on your site shortly

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: KingOfSports on May 28, 2013, 07:01:54 PM

Here is the address it wants me to send to, you can credit .1 directly to my account thanks!
13ZY8SsE5HB8Zd8stSpexZiVz8NqJKSUqi

I couldn't find any deposit you made for 13ZY8SsE5HB8Zd8stSpexZiVz8NqJKSUqi

Quote from: fredtrader on May 28, 2013, 07:46:35 PM

Sent .1 BTC to 1ERd9wQz7pJ2S4EedrMLQoSbivPpZh8gCD

https://blockchain.info/tx/0522f7cebdf2d377fcab1df790cbaccf6138f05296108f7d638c6693608c15eb

Thanks!

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: dooglus on May 28, 2013, 07:34:06 PM

Quote from: DoubleMyCoins on May 28, 2013, 07:30:01 PM

Here is the code in PHP:

Here's what I meant about a command line. See the bottom of this page?

https://coinroll.it/bet/fa870f1e518e

Quote

Command line verification (bash shell)

echo -n 'b8d60cff5ca2fcd20fbd27987c671a65b32d40ed127c7a4bcaeb251600fc1365:0' | openssl dgst -sha512 -hmac 'WW4hgGFOiVZ0ITgIt89xG2R5OuAiEBTx3FDk2y2oDfJc94JkurVqn2mDwyk9oyr7' | sed 's/^.* //' | cut -c1-4 | xargs -I{} printf "%d\n" 0x{}

Also, it's still not clear how you decide which card is the red one. Is it just whether the random number is even or odd?

Edit: also, I think your scheme is overly complex. All you need to do is:

1) pick 'left' or 'right' at random
2) pick a longish random string
3) concatenate 1) and 2)
4) sha512 hash 3)
5) publish 4) before the game, and 3) after.

No need for hmac, or a 'secret', or even a random number. Just a result (1) and a string to make reversing the hash impossible (2).

Edit2: I wouldn't normally send coins to games with no history or reputation, but I figured it wouldn't be worth your while buying a domain for a 0.0006 BTC scam...

Yes, you can check the value various ways. The point is the value can be verified and can't be changed by the house.

If the last digit of the random number is odd the Red Ace is positioned left, and right if even. Sorry for not adding that in this thread, it's on the Provably Fair page.

I agree the system can be done differently. The game you see now is slightly different from how it started. The main thing I wanted to achieve was true randomness, so I could even play the game myself. There was a study done by some professor that asked if people had some ability to predict the future. He used a game similar to this and over trials found some people seemed to be able to predict the right choice with slightly better than 50%, and it was a mystery how that happened.

So I take truly random numbers from random.org to ensure randomness and run them through the system.

fredtrader

newbie

Activity: 56

Merit: 0

dooglus

legendary

Activity: 2940

Merit: 1333

Quote from: DoubleMyCoins on May 28, 2013, 07:30:01 PM

Here is the code in PHP:

Here's what I meant about a command line. See the bottom of this page?

https://coinroll.it/bet/fa870f1e518e

Quote

dooglus

legendary

Activity: 2940

Merit: 1333

Quote from: dooglus on May 28, 2013, 07:02:10 PM

Please send the 0.1 BTC to 1PrVzMVozDGj1qfeDN3TtA7ps3i3qE8Awk

I'll post to this thread when it arrives.

OP delivars:

https://blockchain.info/tx/2c084ac54bd9453f562dab1a3bd33860614e86ccbb5d3d0e921b7490ebbe9fba

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Hi dooglus,

I was waiting for your verdict

You actually found a minor bug. Not a bug really, just the need to add " Hash: " to the message given to the player for the provably fair info. It's now updated. So, to check you would take that message and apply HMAC SHA-512, then append that hash to the message, and hash the whole thing which gives the final game hash.

Here is the code in PHP:

Code:



  $secretkey = "796330129344107608179585"; //put the secret key here
  $randomnumber = "527128"; //put the random number here

  $message = "Random number is $randomnumber. Hash: ";

  $hashmessage = hash_hmac('sha512', $message, $secretkey);

  $messageandhash = $message.$hashmessage;

  $finalhash = hash_hmac('sha512', $messageandhash, $secretkey);

  echo ("Message: $message 
 Message and hash: $messageandhash 
Final hash: $finalhash");

?>

Here is the output for those values:

Code:

Message: Random number is 527128. Hash:

Message and hash: Random number is 527128. Hash: ff72d43539e7dd82fc0bb861c77d87a286ab49e13149744e42e6980ba2b9495dd952461ecaadff301575b152a58f5db7d02a7b280adc3c5ec5ef0ac249efb449

Final hash: 0f8a39ef65dfbfb74239a956447b94e84c10695765d2520d020c9e20acb7301002a07186372d61b1a6d6e2062262bd981225aff5c5c1a60be1fe9952055785ed

Your .1 BTC has been sent. Thanks!

dooglus

legendary

Activity: 2940

Merit: 1333

Quote from: DoubleMyCoins on May 28, 2013, 06:02:51 PM

Okay, I'll send .1 BTC to the first 10 people to post their game hash and desired wallet address. Your game hash is available by clicking to view the page source code of your game.

I clicked 'play'. It gave me an address to send coins to, but no hash yet.

I sent 0.0006 BTC to the address it gave me. The page automatically refreshed pretty quickly. It now says "Your coins: 0.0006" and the source of the page has the following, just under the tag:

Quote

So I'll pick a card. Hmm. Left or right?

Left.

"Sorry, you lost".

Now the source of that page has this after the tag:

Quote

I don't understand what's going on there. I'm not able to reproduce the results. What hash function are you using? What strings are you hashing? Perhaps give some command lines that we can follow to get from the random number to the hash. And tell us how the random number determines where the red card is, too.

Please send the 0.1 BTC to 1PrVzMVozDGj1qfeDN3TtA7ps3i3qE8Awk

I'll post to this thread when it arrives.

Thanks.

KingOfSports

hero member

Activity: 602

Merit: 500

Acc bought - used solely for signature testing

Here is the address it wants me to send to, you can credit .1 directly to my account thanks!
13ZY8SsE5HB8Zd8stSpexZiVz8NqJKSUqi

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: vlees on May 28, 2013, 06:13:58 PM

No idea what my game hash is, but it wants me to pay to 13Bp6ytDR4J3v734y14ytSXFS76K7JfzD5.

The wallet you may send the 0.1 BTC to is 1QtHuSHkeMyZnKFHhf7UeEs4NusVnrVQq

EDIT:
Also from first post:

Experience ZERO House Fee during testing!

How about a 50/50 game where you actually do something

Your task is to find the Red Ace! It's a 50/50 chance which is provably fair. We use true random numbers from random.org. If you choose correctly your coins are DOUBLED (less 1.9% house fee).

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So what is it?

To start playing a game send an amount (.0006 to 1 BTC during testing) to the address it tells you. Your game starts automatically.

If you click to view the page source code you will see your game hash just under the [body] tag. This is how you know the game is provably fair.

After you make your choice you can click to view the source code again and you will see the message with random number used and secret key under the [body] tag as well as the game hash. Using these values anyone can verify that the random number is the same as before you made your choice, because it's not possible to change it and get the same hash value. Changing even one thing would dramatically change the hash.

The 1.9% house fee is waived during testing.

vlees

full member

Activity: 196

Merit: 100

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Okay, I'll send .1 BTC to the first 10 people to post their game hash and desired wallet address. Your game hash is available by clicking to view the page source code of your game.

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: firstlast on May 28, 2013, 04:54:16 PM

He doubled his post count, so I trust he can double your coins as well.

lol

firstlast

full member

Activity: 159

Merit: 100

He doubled his post count, so I trust he can double your coins as well.

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: ironcross360 on May 28, 2013, 04:36:21 PM

2/10...

Hey, it looks simple, but actually took a while to set up! I would think the suspense of picking the right card would be worth something. As I said above I'll upgrade it if it does well enough.

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Quote from: Yurkov on May 28, 2013, 04:35:35 PM

- Your demo game is just a simple script that always makes the left card win, no matter what.
- You just have 2 posts
- You have no transactions whatsoever, so how will you pay us out?
- You use the same BTC address, any provably fair game generates a temporary wallet
- Site is very poorly written and sketchy

4/10

Thanks for taking a look!

Answering your points...

- Yes, this is just to show how the very simple game works (and see how long it take for people to realize it's the same demo position)
- New forum account but not new to Bitcoin, hopefully this thread can build trust - test with .0006 if you like (that's about $0.08)
- I have BTC to cover payouts
- Your BTC deposit address changes every time your session changes, but not simply for playing new games
- It's a very simple game I had interest in making. If it does well I'll upgrade it.

ironcross360

full member

Activity: 140

Merit: 100

Troll of the Fourth Reich.

2/10...

Yurkov

sr. member

Activity: 1463

Merit: 265

Pepemo.vip

DoubleMyCoins

newbie

Activity: 45

Merit: 0

Update 6/20/13:

Site has a new design, enjoy! http://doublemycoins.com

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Introducing DoubleMyCoins!

Please help test with amounts .0006 to 1 BTC. Experience ZERO House Fee during testing!

How about a 50/50 game where you actually do something

Your task is to find the Red Ace! It's a 50/50 chance which is provably fair. We use true random numbers from random.org. If you choose correctly your coins are DOUBLED (less 1.9% house fee).

Start playing instantly. See How it Works for details, and let me know what you think!

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