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Author Topic: [ANN] TrueFlip - Become a part of the world's largest blockchain lottery +Bounty  (Read 78298 times)
YIz
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June 26, 2017, 02:52:28 AM
 #261

Weird, I'll wait for a response, maybe they are using an updated version of this algo or maybe it's just an early version.

It says it was updated 10 days ago..Also, anybody can use the 'Check the transparency' feature on their website and enter a custom hash with a character 0x031 (49 in decimal), it does not result in the digit 49 being drawn. All of this is very surprising given the professionalism and software skill that went into the website.. but the money making algo looks to be an afterthought. Embarrassed

Yeah I see it too. are you sure 49 is supposed to be a possible number to be drawn? Join the telegram and ask to speak with the developers, if it's really an issue they might give you a bounty.

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TrueFlip.io
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June 26, 2017, 06:30:44 AM
 #262


Great job andrejka
You are the one who directly have read the rules!

Good luck!


Best regards,
TrueFlip.io

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June 26, 2017, 06:34:13 AM
 #263


Hello!

Thank you for your tweets.
You have not registered, so I can't put it on your score.

Fill the form please
https://goo.gl/dqeKGH

Best regards,
TrueFlip.io


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June 26, 2017, 06:36:28 AM
 #264

Joined the twitter campaign for TRUEFLIP Smiley

Hello!

Yes, you are.
Welcome, start your campaign:)

Best regards,
TrueFlip.io

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June 26, 2017, 06:40:45 AM
 #265

Hi, I joined the signature campaign, why is not it appearing on the spreadsheet? Will the stakes count for a week from the day I joined or is there a specific check-in day? Is avatar and personal text required? Thanks. Smiley

Hello Karodozo

1. Now you are there in spreadsheet.
2. Stakes counted from the day you've joined.
3. Avatar and personal text give you +0.5 stake per week. They are not required.

Welcome!

Best regards,
TrueFlip.io

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June 26, 2017, 07:03:36 AM
 #266

Hi,

As a potential investor, I am very concerned by what I have seen looking at your lottery algorithm. There are 2 glaring issues that undermine the legitimacy of your lottery and are astounding given the millions that will soon be raffled on the site.

1) Any customer who has purchased a ticket using number 49 has been cheated. Your algorithm uses modulo 49 which makes it so only numbers 1 through 48 are drawn.
2) Your algorithm discards repeated numbers and moves to the next 4 character section in the hash. This is inherently ok, but there are no safeguards to prevent a bitcoin block hash that generates duplicate powerball numbers exceeding the unique hash length. This may not happen for a long time, if ever, but there are already 18 prefix 0s on the bitcoin block hash, reducing your available seeds for the drawings, and this will only decrease in time. When it does hit, your algo will crash. For a lottery based business understanding the impact of ' small odds', this should go without saying..

https://github.com/TrueFlip/prizecounter/blob/master/algorithm.py

edit: 4 character, not 4 bit
edit2: this also applies to the golden ball with modulo 26

Hello bitboi1

We appreciate your discovery very much!

We will check the algorithm today and give resolution about it in several hours.

If this mistake is exist we will fix it.

Also we will have to make recompense for players with 49 number at their tickets, if this mistake is confirmed.



Best regards,
TrueFlip.io

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June 26, 2017, 07:29:57 AM
 #267


Facebook : https://web.facebook.com/arif.dheiya
Friends: 2483
Followers: 168
 
Posts:

2. https://web.facebook.com/arif.dheiya/posts/1387812457974043
3. https://web.facebook.com/arif.dheiya/posts/1387813084640647
4. https://web.facebook.com/arif.dheiya/posts/1387818211306801

Reposts:

7. https://web.facebook.com/arif.dheiya/posts/1387811141307508
8. https://web.facebook.com/arif.dheiya/posts/1387811441307478
9. https://web.facebook.com/arif.dheiya/posts/1387811817974107
10. https://web.facebook.com/arif.dheiya/posts/1387812021307420
11. https://web.facebook.com/arif.dheiya/posts/1387812094640746
12. https://web.facebook.com/arif.dheiya/posts/1387812351307387

Twitter username: @Arif50451074
Twitter url: https://twitter.com/Arif50451074
Followers: 1318
 
Tweets:

2. https://twitter.com/Arif50451074/status/879234563326697472
3. https://twitter.com/Arif50451074/status/879234254986555392
4. https://twitter.com/Arif50451074/status/879234075067793408

Retweets:

9. https://twitter.com/TrueFlipLoto/status/876733816710287361
10. https://twitter.com/TrueFlipLoto/status/876731282822221824
11. https://twitter.com/TrueFlipLoto/status/876371857930432517
12. https://twitter.com/TrueFlipLoto/status/875703747846045697
13. https://twitter.com/TrueFlipLoto/status/875696176913362946
14. https://twitter.com/TrueFlipLoto/status/875280391636221952
15. https://twitter.com/TrueFlipLoto/status/874909730979934211
16. https://twitter.com/TrueFlipLoto/status/873793711884382210

done today dev ,.


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                         [ Website ]                     
     
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June 26, 2017, 07:41:16 AM
 #268


Hello bitboi1

We appreciate your discovery very much!

We will check the algorithm today and give resolution about it in several hours.

If this mistake is exist we will fix it.

Also we will have to make recompense for players with 49 number at their tickets, if this mistake is confirmed.



Best regards,
TrueFlip.io


Hi, I see you guys fixed your code on GitHub..well, one of the 2 issues anyhow. Am I eligible to earn bounty for this? Seems more important than any facebook post. Roll Eyes
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June 26, 2017, 07:58:49 AM
 #269

Looks like you have similar rules for tweets of SONM but this would create a spam like thread and I would suggest to open another thread for bounty and to keep things posted there

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June 26, 2017, 08:23:10 AM
 #270

Week 1

Twitter Username:  @Devran12070420
Twitter Url: https://twitter.com/Devran12070420
Follower : 387

Tweets---

1- https://twitter.com/Devran12070420/status/879252817499881472
2- https://twitter.com/Devran12070420/status/879252451832016896

Retweets---

1- https://twitter.com/Devran12070420/status/879250682116792325
2- https://twitter.com/Devran12070420/status/879250133908631552
3- https://twitter.com/Devran12070420/status/879249825585352705
4- https://twitter.com/Devran12070420/status/879249578045919232
5- https://twitter.com/Devran12070420/status/879253468367736832

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June 26, 2017, 09:06:20 AM
 #271

Just made new account there but not option to make deposit with other altcoins instead of BTC. Maybe my account have some problems to make deposit using LTC.

It seems I couldn't understand you correctly. You can't buy tickets for alcoins now. Such an opportunity will be available only after the ICO starts. But you will be able to buy tokens for altcoins from June 28.

Best regards,
Trueflip.io


Thanks for this reply I was actually asking how to play lottery with altcoins so that I will wait for June 28 when this will be up for place bets there.

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June 26, 2017, 09:48:24 AM
 #272

Hey everyone, just wrote an article on TrueFlip based on Warren Buffet's 12 Tenets to asses a business, you can check it out here:https://steemit.com/crypto-news/@colorlessk/the-noteworthy-ico-series-no-1-trueflip-the-blockchain-lottery

Community and Bounty Management Services
Have a query about one of my campaigns? Submit this form
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June 26, 2017, 09:52:01 AM
 #273

Looks like you have similar rules for tweets of SONM but this would create a spam like thread and I would suggest to open another thread for bounty and to keep things posted there

Hello alinda

Thank you for your suggest!
I've taken it.

Best regards,
TrueFlip.io


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June 26, 2017, 09:54:21 AM
 #274

Dear bounty participants!

We have special thread for bounty
https://bitcointalk.org/index.php?topic=1980698.

There are up-to date information about True Flip bounty.

Please, put your comments about tweets, posts and comment there.



Best regards,
TrueFlip.io

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June 26, 2017, 09:58:21 AM
 #275


2nd day

retweets link:

https://twitter.com/TrueFlipLoto/status/874172247098970112
https://twitter.com/TrueFlipLoto/status/874519250005872640
https://twitter.com/TrueFlipLoto/status/874909730979934211
https://twitter.com/TrueFlipLoto/status/875280391636221952
https://twitter.com/TrueFlipLoto/status/875696176913362946
https://twitter.com/TrueFlipLoto/status/875703747846045697
https://twitter.com/TrueFlipLoto/status/876371857930432517
https://twitter.com/TrueFlipLoto/status/876731282822221824

tweet link:

https://twitter.com/MaricelBello2/status/879279127831773184


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June 26, 2017, 10:02:34 AM
 #276

It was pleasure to contribute as Korean translator.

Good luck with your ICO.


Hello SolidLiquid

Thank you for your work!

Korean translation is coming tomorrow.

Best regards,
Trueflip.io

Nice Korean web page.

I'll be happy to announce this ICO to Korean Investors.

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True Flip ICO: 28 of June 2017


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June 26, 2017, 11:22:33 AM
 #277

Delighted to see lots of actions taking place in True Flip community. I am sure that the ICO will be very successful. All the best team! Just 2 days left!

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June 26, 2017, 12:19:03 PM
 #278

Hi,

As a potential investor, I am very concerned by what I have seen looking at your lottery algorithm. There are 2 glaring issues that undermine the legitimacy of your lottery and are astounding given the millions that will soon be raffled on the site.

1) Any customer who has purchased a ticket using number 49 has been cheated. Your algorithm uses modulo 49 which makes it so only numbers 1 through 48 are drawn.
2) Your algorithm discards repeated numbers and moves to the next 4 character section in the hash. This is inherently ok, but there are no safeguards to prevent a bitcoin block hash that generates duplicate powerball numbers exceeding the unique hash length. This may not happen for a long time, if ever, but there are already 18 prefix 0s on the bitcoin block hash, reducing your available seeds for the drawings, and this will only decrease in time. When it does hit, your algo will crash. For a lottery based business understanding the impact of ' small odds', this should go without saying..

https://github.com/TrueFlip/prizecounter/blob/master/algorithm.py

edit: 4 character, not 4 bit
edit2: this also applies to the golden ball with modulo 26

I am a little bit worried about the big error in algorithm, the equal distribution should be one of the most important elements in a lottery.

Second thing are the names and pictures on your team description site:
https://ico.trueflip.io/newico
Some pictures of the members have different names and are doubled.

Can you comment this please.

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June 26, 2017, 01:04:00 PM
 #279


Sorry! I've already signed up.

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FandangledGizmo
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June 26, 2017, 01:27:58 PM
 #280


Hello bitboi1

We appreciate your discovery very much!

We will check the algorithm today and give resolution about it in several hours.

If this mistake is exist we will fix it.

Also we will have to make recompense for players with 49 number at their tickets, if this mistake is confirmed.



Best regards,
TrueFlip.io


Hi, I see you guys fixed your code on GitHub..well, one of the 2 issues anyhow. Am I eligible to earn bounty for this? Seems more important than any facebook post. Roll Eyes

I hope you get a good bounty. That was a monumental error you discovered.

I think there is a market for a blockchain lottery not sure this is the team for it but I will read more.
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