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Bet ID User Time Bet Lucky Target Payout Profit
2632934 qw1212ewew 00:10:33 $0.1896 24.3601 >21.4999 1.2x +$0.0379
2632933 qw1212ewew 00:10:30 $0.1580 82.8437 >21.4999 1.2x +$0.0316
2632932 qw1212ewew 00:10:24 $0.0020 46.0569 >81.1599 5x -$0.0020
2632931 qw1212ewew 00:10:23 $0.0020 80.0630 >81.1599 5x -$0.0020
2632930 qw1212ewew 00:10:23 $0.0020 36.7645 >81.1599 5x -$0.0020
2632929 qw1212ewew 00:10:22 $0.0020 30.2110 >81.1599 5x -$0.0020
2632928 qw1212ewew 00:10:21 $0.0020 15.8646 >81.1599 5x -$0.0020
2632927 qw1212ewew 00:10:21 $0.0020 12.5733 >81.1599 5x -$0.0020
2632926 qw1212ewew 00:10:20 $0.0020 25.0008 >81.1599 5x -$0.0020
2632925 qw1212ewew 00:10:19 $0.0020 49.3926 >81.1599 5x -$0.0020
2632924 qw1212ewew 00:10:19 $0.0020 11.5102 >81.1599 5x -$0.0020
2632923 qw1212ewew 00:10:18 $0.0020 51.4334 >81.1599 5x -$0.0020
2632922 qw1212ewew 00:10:18 $0.0020 62.5570 >81.1599 5x -$0.0020
2632921 qw1212ewew 00:10:17 $0.0020 62.3517 >81.1599 5x -$0.0020
2632920 qw1212ewew 00:10:17 $0.0020 72.6001 >81.1599 5x -$0.0020
2632919 qw1212ewew 00:10:16 $0.0020 57.6411 >81.1599 5x -$0.0020
2632918 qw1212ewew 00:10:16 $0.0020 46.1050 >81.1599 5x -$0.0020
2632917 qw1212ewew 00:10:15 $0.0020 77.6251 >81.1599 5x -$0.0020
2632916 qw1212ewew 00:10:14 $0.0020 72.6507 >81.1599 5x -$0.0020
2632915 qw1212ewew 00:10:13 $0.0020 94.4453 >81.1599 5x +$0.0080
2632914 qw1212ewew 00:10:13 $0.0020 67.7660 >81.1599 5x -$0.0020
2632913 qw1212ewew 00:10:12 $0.0020 73.7039 >81.1599 5x -$0.0020
2632912 qw1212ewew 00:10:11 $0.0020 19.9368 >81.1599 5x -$0.0020
2632911 qw1212ewew 00:10:10 $0.0020 78.7171 >81.1599 5x -$0.0020
2632910 qw1212ewew 00:10:10 $0.0020 87.2197 >81.1599 5x +$0.0080
2632909 qw1212ewew 00:10:09 $0.0020 40.9733 >81.1599 5x -$0.0020
2632908 qw1212ewew 00:10:08 $0.0020 35.3627 >81.1599 5x -$0.0020
2632907 qw1212ewew 00:10:07 $0.0020 95.5283 >81.1599 5x +$0.0080
2632906 qw1212ewew 00:10:06 $0.0020 20.4474 >81.1599 5x -$0.0020
2632905 qw1212ewew 00:10:06 $0.0020 86.4902 >81.1599 5x +$0.0080
2632904 qw1212ewew 00:10:05 $0.0020 61.2398 >81.1599 5x -$0.0020
2632903 qw1212ewew 00:10:04 $0.0020 65.5908 >81.1599 5x -$0.0020
2632902 qw1212ewew 00:10:04 $0.0020 68.8781 >81.1599 5x -$0.0020
2632901 qw1212ewew 00:10:03 $0.0020 55.3741 >81.1599 5x -$0.0020
2632900 qw1212ewew 00:10:02 $0.0020 62.6636 >81.1599 5x -$0.0020
2632899 qw1212ewew 00:10:02 $0.0020 16.8276 >81.1599 5x -$0.0020
2632898 qw1212ewew 00:10:00 $0.0010 32.1793 >81.1599 5x -$0.0010
2632897 qw1212ewew 00:09:59 $0.0010 28.2385 >81.1599 5x -$0.0010
2632896 qw1212ewew 00:09:59 $0.0010 32.1376 >81.1599 5x -$0.0010
2632895 qw1212ewew 00:09:58 $0.0010 72.9092 >81.1599 5x -$0.0010
Bet ID User Time Bet Lucky Target Payout Profit

Provable Fairness Overview

This game is provably fair. What that means is that there is no way the site can cheat you by picking numbers to make you lose. You can take our word for it, but for the crypto-nerds out there, here are the gory details: When you click "Rerandomize(Change client seed)" we make up a secret random string (the server seed) that is used to randomize the rolls. You are shown the hash of the server seed, and are asked to supply your own random number (the client seed) to further randomize the rolls.

Current Seed Pair

The client seed currently in use:


The sha256 hash of the server seed you are currently using is:


and the number of bets you have made using it:


Rerandomize(Change client seed)

Each time you roll, the server and client seeds are combined with the number of rolls you have made since the seeds were selected to create the roll. Notice that you are shown the hash of the server seed before picking your client seed. This ensures that there is no way we can influence the numbers you will roll.


Provably Fair

7Double offers state of the art verification which allows our users to check the integrity of every roll and confirm they are not manipulated. Our random numbers are generated through the use of two seeds, a server seed, and your client seed. The server seed is created before you specify your client seed, ensuring that a server seed purposely in our favor cannot be generated. Together, along with the nonce (# of bets made with seed pair), the seeds are used to create a provably fair roll number within the 0-99.9999 range.

Seeds

In the provably fair tab, users can change and verify seeds used. To do this, click "Rerandomize" . Before you specify your own seed, you are shown the SHA256 hash of the server seed that will be used alongside whichever seed you pick. Changing the client seed used will also reveal the previous server seed, which you can then verify was the seed we hashed and showed you.

Roll Numbers

To create a roll number, 7Double uses a multi-step process to create a roll number 0-99.9999. Both client and server seeds and a nonce are combined with hmac-sha512(server_seed, client_seed-nonce) which will generate a hex string. The nonce is the # of bets you made with the current seed pair. First five characters are taken from the hex string to create a roll number that is 0-1,048,575. If the roll number is over 999,999, the proccess is repeated with the next five characters skipping the previous set. This is done until a number less than 1,000,000 is achieved. In the astronomically unlikely event that all possible 5 character combinations are greater, 99.9999 is used as the roll number. The resulting number 0-999,999 is applied a modulus of 10^6, to obtain a roll number 0-999999, and divided by 10^4 to result a 0-99.9999 number.

How to Verify

JS Verify
Copy the 3-line value from the "Rerandomize(Change client seed)" window into the first input of those pages and click "verify" for a list of the numbers you rolled.

You can use a third party tool to verify roll numbers or use the following Node.js script that recreates the proccess described above. It will output your roll number.

              
            //the seed pair itself
var clientSeed = "your client seed"; //dont forget to exclude the dash and the nonce!
var serverSeed = "your server seed";
//bet made with seed pair (excluding current bet)
var nonce = 0;
//crypto lib for hmac function
var crypto = require('crypto');
var roll = function(key, text) {
//create HMAC using server seed as key and client seed as message
var hash = crypto.createHmac('sha512', key).update(text).digest('hex');
var index = 0;
var lucky = parseInt(hash.substring(index * 5, index * 5 + 5), 16);
//keep grabbing characters from the hash while greater than
while (lucky >= Math.pow(10, 6)) {
index++;
lucky = parseInt(hash.substring(index * 5, index * 5 + 5), 16);
//if we reach the end of the hash, just default to highest number
if (index * 5 + 5 > 128) {
lucky = 99.9999;
break;
}
}
lucky %= Math.pow(10, 6);
lucky /= Math.pow(10, 4);
return lucky;
}
console.log(roll(clientSeed+'-'+nonce,serverSeed));


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Your Affiliate Statistics

Available Commission:
0.0000 USD
Total Paid:
0.0000 USD
Depositors:
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Non-depositors:
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Commission of Edge:
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  •      Total Wagered:
    $0.0000