Topic: BullX.io fair PvP jackpot&coinflip games (Read 383 times)

I understand that your site is still very young, since there are still very few users who have registered. Perhaps as a beginner it will be easier for me to start along with the development of a new project. The interface is really very good, but not too bright, and the number of people visited depends on it. Please tell me if there is a possibility of playing with the selected opponent or the opponent is automatically recognized in a random order?

Yes I think promotion is not enough I suggest to add some games that can be played alone by user and that they should not waste time waiting for other players maybe have a feature like an option to choose whether a player could be play against pvp or player vs bot.

yeah, I think people just don't want to wait for a couple of meaning maybe longer before they can gamble. that is why I think putting a non-PVP game on their website will benefit them.

like I said putting a variety of games on their website(preferably non-PVP game) might help them attract gamblers.

in my own opinion? No. promotion is a good way to attract gamblers but that alone is not enough.

Welcome to the forum. Why don't you format the thread like a typical ANN thread, supplying the first post with some screenshots and more information?
The design looks simple, but appealing. I also like it that you have detailed information about various policies. I have a question about one of the rules, though: I get it why begging is against the chat rules, but why are donations forbidden? I mean, if a person wins something and want to make tips to some people who are online, why not make it a possibility? And rainbots are also somewhat common for chats. And the ban on "mentioning any third-party resources" in the chat is also pretty tough IMO. For instance, someone googled something and wants to share info about it, but this person can't say "I googled it", right, because it mentions Google? Or if a person asks something like "anyone here from Bitcointalk?", it's also a violation.
Good luck!

Well looks like the PVP games is not that really popular I wonder how will BullX will get active players and will let them stay on their website? Do you think promotion would be enough?

It seems that you are so new in this crypto gambling industry, pvp games has been in this industry for years already so it is absolutely wrong to say that this site is the first site to offer pvp based game only. There were many other sites but many of them failed to survive due to the lack of interest or failed to attract gamblers. Having pvp games only will be a great challenge for the owner to compete with other gambling sites.

I created a room an was interested in trying out the game but there seems to be no one playing.

@OP it would be good to add a non-pvp game just to have a little more variety of games on your website so if there are just a few gamblers they can still play on your website even when there are no rooms available for them to join.

not really, duelbits, for instance, have a PVP dice game called "dice duels" just like what sunsilk said there have been several PVP gambling game casino that has come and go.

I would like to ask if you could add more pvp games I think you were the first cryptocurrency based casino I see that only offers pvp games I think that's really a unique feature for a gambling website.

Actually the bet results on your website differ from the steps mentioned in the screenshot, that's why I raised the doubt. As per the screenshot and instructions on 'fair' page, first we need to add the numbers obtained from the formula, e.g. 87. Then we need to add these two numbers, i.e. 8+7 = 15. Now, last digit i.e. 5th address from the list will be used for result calculation.

However, now consider these examples of real bets from the website:

Game #296 (I played this one) - https://bullx.io/verify/coinflip/296

Number obtained from the formula = 62
Total of two numbers = 08
Address from the list taken = 3rd
Decoding shift = 3 characters

Game #305 - https://bullx.io/verify/coinflip/305

Number obtained from the formula = 84
Total of two numbers = 12
Address from the list taken = 5th
Decoding shift = 7 characters

So, as per the instruction on the 'fair' page, 8th and 2nd address should be taken in the case of game 296 and game 305 respectively. Whereas, shifting should have been 2 and 4 characters resp.

However, you can see that different address and decoding are being used. For the address, last digit of the number obtained is taken i.e. 2+1 = 3 and 8+1 = 5. I verified it with all coinflip games and address selection is constant as per this. But I am still unable to figure out how decoding is being shifted? Why 3 characters are shifted in game #296 and 7 in #305? This is not as per the formula mentioned on 'fair' page.

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Entering the game at the right moment is difficult for the third-party but not for site itself. When calling endpoint to update database with the UNIX timestamp of second player, site can send the custom UNIX to overwrite the auto-timestamp. For example, site may calculate that at 1608203643 second player will win the bet. So, it can send endpoint exactly at 1608203643 with custom value of Second user Timestamp = 1608203643. So even if 1-2 seconds elapse to run the HTTP request, code will overwrite timestamp from let say 1608203644/1608203645 back to 1608203643.

So, yes please, add another variable over which both player and site mustn't have any control until the game finish.

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Yeah! I said 10% of the winnings which is equal to 5% of the total bet size. So, if I as a player bet 0.0001 BTC, I will only win 0.00009 BTC (i.e. 90% of my bet size). I think this is very high for any player to play on the site for long period of time. Player is tend to lose 5% of his money with constant luck. In my views, PvP platform should have at max 3-5% commission on winnings (i.e. 1.5-2.5% on total bet size).

Thanks for the analysis.
"decoding is shifted by 'n' places depending upon a number which is obtained by the formula unknown to the player"

About the formula unknown to the player https://prnt.sc/w4x0mn
The shift will be equal to the last digit obtained from the formula.


Yes, we thought about coinflip long enough. Entering the game at the right moment is quite difficult based on the code execution time it can take up to 50 ms to send one request. But I think this is quite possible under ideal conditions. We will solve this problem by adding one more value that we cannot find out until the end of the game.

I have already answered about the shift formula

The site does not indicate anywhere that the commission is 10%. We have a 5% commission on jackpot and coinflip.

Currently the commission is:
5% (for jackpot); 5% (for a coinflip); 10% of the net house Profit is taken by the daily jackpot(0.5%)

Hands down with this input.! Anything that can be controlled on would really always have the tendency for some manipulation or rigging of things when theres sudden change of minds.  
It truly remove the essence of fairness knowing that the casino is really capable on controlling the generation process.We do want to see that everything should really be random
and that will really built up some confidence.

10% on winnings is really too high which would really be already a big issue for players not to play and next will be the type of game that theyre offering
which isnt something that had been preferred by this market.

Creating PvP gaming platform doesn't relieve casino from being a fair party in the bet. Even though it's a game between players, casino still must be fair party and must have no control over the result of the bets.

However, I tested Bullx.io and found that site has full control over the bet because -
(i) 10 bitcoin addresses are generated by the site before the game starts
(ii) decoding is shifted by 'n' places depending upon a number which is obtained by the formula unknown to the player

Bullx.io can use this as the backdoor and cheat players in the following two ways -

• After a player creates the coinflip game, site now has access to the following information - 10 bitcoin addresses, amount of the game, UNIX timestamp of the player. Site can loop over the next 10 - 60 seconds and select the UNIX timestamp for the second player which when used in the formula selects 'a bitcoin address' among 10 addresses such that results favor the second player. Now Bullx.io can pose as the genuine site player and join the coinflip as the second player and win the bet.
  
  
• After a player creates the coinflip game, site now has access to the following information - 10 bitcoin addresses, amount of the game, UNIX timestamp of the player. Bullx.io can now join the coinflip at the random UNIX timestamp as the second player. When bitcoin address is selected based on the formula, Bullx.io can then shift the characters of the address for decoding such that the result favors the second player and win the bet. Since formula of shifting the characters is not known to the players, no one will know if characters are shifted as per the formula or not.

To be honest, I really like the way you thought of using bitcoin addresses in provably fair mechanism and converting Base58 to Base10 in equally distributed probability to calculate the final result. But the fundamental of your provably fair script is wrong! Casino mustn't have complete control over the result generation process else it can't be called Provably Fair.

By the way, isn't 10% on winnings too high as the commission?

The promo code is just a free satoshi for users to try the site without any risks, it is like one time faucet.
Do you think it will be better if the promo code is worth $1 or more? Dont you think about "abuse"?
Even few hundred satoshi can be abused so it does not make senses if you suggest them to give higher amount for the promo.

I've seen several PvP casinos before but they're no longer that popular with the chosen games they want to have on their website. The idea that you've just brought is new about the PvP coinflip. I think you should be good if the players who are ready and placed their bets can be against to a bot that's provably fair.

If they've been waiting for a long time to have someone fight against them, there should be at least an option to flip the coin even if there's no opponent and that will automatically goes against to bullx.

Promo code didn't worth that much as it is only worth less than 1 usd so I am not so sure if there will be users that will take their time to insert the promo code just to get a penny.

It will be good if you can make your FAQ page more accessible as it is very hard to see as it is located in the left page where only images can be seen like question mark image for FAQ page. There are no problems with the overall design of the page as it is simple but you should consider putting your other pages in the footer or header if possible so the users can easily find it.

Yeah, thanks. We will fix that.

please do check the coin flip section it says the minimum is 100 sats deposit I tried to deposit 100 sats coming from the bonus from it did not accept my deposit even the 200 sats was not accepted i ended up betting 500 sats for this game, I hope you can fix it

At the moment, the counter indicates all site visitors. We will make it show only registered players.
We want to make an additional deposit with various coins that will be converted to bitcoin.


Thank you, we tried to make the site as simple as possible so as not to overload the players' attention.



Thanks for your feedback.



Thanks, we will definitely do it.

I highly recommend that you get a copper member account so you can post images and maximize the use of your signature, you can also hire announcement designers to make your project appealing to gamblers, the gambling industry competition is very high, you need to beef up the marketing of your gambling site and you can start by creating a professional-looking announcement thread.

Welcome to the forum Bullx.io!

Site do looks plain and simple and with that jackpot game or even with coin flip would really give out some confusion yet i cant determine directly with first glance
on where the game is happening due to lots of text and lacking of emphasizing the game itself where you should really be changing that.
Also, frankly speaking on where flip coins and jackpot type of games doesnt really get that much of attention or you would really be having some hard time
on getting players. Good luck!

Given the level of ANN threads for new platforms on here and seeing the simple introduction made I was but skeptical. Having browsed the website I get it - simplicity is the main theme here - weirdly enough I do like it. It seems to work really well, though unlike many casinos by comparison this looks like it is in its testing phase but presumably this is the beginning.

I haven't yet tried any functionality - that's next on my list but so far so good  

Noticed that the number of online users is already in hundred.



Wondering if that is actual number of users?
Also, are you planning to add more crypto other than btc, maybe DOGE or LTC or XRP?
At least their tx fee is much lower than BTC.

Next year we will work on it.


Yes, you can fulfill the conditions of the daily jackpot with free coins and take part in it. 20% of net house profit goes to the daily jackpot.
There will be only two games on the site at the moment.



Withdrawal fee depends on the current workload of the bitcoin mempool, it changes automatically.
We provide two types of payments, instant individual and group payments every 15-30 minutes.

I would like to ask if we can place those free bitcoins to your jackpot so that was a daily draw jackpot right? by the way it looks like your games is limited to player to player is there a chance you would add more player to player games?

You won't be adding a casino but you will be adding a sports betting on your website, well that's just great another bookie will be coming here do you have any ideal date when will that be implemented on your website?

We have animation, this https://i.imgur.com/qEU0Yny.gif
If your animation isn't showing, try clearing the cache for the site.

Our site has an interesting random system. It is based on the generation of bitcoin addresses, time, amount of bets, number of bets, etc. The choice of the winner is determined only at the end of the game and the outcome of the game can be influenced by any bet at the end. We tried to make such a system so as not to be able to change it during the game from any side. We do not know the outcome of the game during the game or at the beginning, the winner of the game is known only when all bets are made.
If there are bots on the site, they will have the same chances of winning as any other players.


There will be only two games at the moment. We want to move towards PvP games. The casino is not planned to be added. There are plans to add a system of betting on sports events with odds based on the bet amounts

welcome to the forum, i know you are new to the forum but may i ask if soon you will be adding more games in your website as i've seen you only have 2 games which is jackpot and coinflip. may i ask if you would limit yourself to pvp games or you would soon add more casino games?

why . is the coin not animated ? adding animation in the game indeed makes it more thrilling  and fun  .

reading other comments makes me aware that its possible to add bots in a pvp game but would that kill the essence of being a pvp game ? i like full pvp better because i have that feeling that bot can cheat me or the site can program the bot to make them win . you guys like that to happen ?

and if we want to play instantly , we have gambling sites that are not pvp .

We will gradually add new features. There is a coin in coinflip at the moment.


Yes, we know it's quite difficult to get an audience for PvP sites. If we have the same problem, we will add bots or some other functionality. Thanks for the information.

There's also a website here which also have a PVP game but it turns out it doesn't gain too much popularity due to the long time of waiting for players and they have an option to play with bots (Against the site) so they would be able to play immediately without waiting for other players to join. If you would be able to run a good promotion or good strategy I'm pretty sure you would be able to get active audiences.

What a detail, I saw that just putting the amount was enough, in fact now if I can place my bets, thank you very much, it would be good if the coin appeared in the Coinflip spinning, to give it a touch of emotion. Doing something a little lively, that helps a lot and attracts.

There is no license at the moment. It is planned to use the license in the future. At the moment, this information has been removed from terms.


You can play coinflip without a deposit. In order to enter the room, drag the slider to the right side. https://prnt.sc/w39dih

The site has just passed the beta test, some errors are possible. Together with you we can fix them and make the site better


There are currently no plans to add any bots. We will try to gain an active audience without bots:)

Welcome BullX.io it's nice to see a PVP gambling games by the way may I ask if what's your current available currency also do you have a feature where in we could add bots to play with because sometimes it might take some time to wait for other players and instead just use a bot as an alternative.

Welcome to the forum,

It has a great chance of being successful, the fact that a bonus to try the Jackpot and Coinflip games is very good, although I have a problem, I have not been able to play coinflip because it says that I have to make the minimum deposit, with the balance that they give in the bonus is not enough or do you have to deposit?

Welcome to the forum! I browse your terms and see this one. May I ask about the kyc are you going to ask us personal information also I would like to ask if you have a license to operate? I've seen most of the gambling sites that ask kyc are gambling sites that have a license but upon looking in your website you don't have any. Is there a chance in the future that you will be having one?

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