It will be better to refund this round before changing rules and start new one with clear rules for players IMHO
I agree with that. Or probably you should let it go on and let the cheaters lose their money.  |
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Just went from 0.015 BTC to 0.17 BTC  Made 4 bets. Waiting for result. |
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Thank you! So this would be the method:
the txid + hash of the next block from the block_height that included the transaction, then hashed, then the 13,14,15,16 digit then to decimal, like this:
b1efe3ed66420f5c0956dfab0f17baaf08626a763d59501d92f3790c4a1071a9
So:
b1efe3ed66420f5c0956dfab0f17baaf08626a763d59501d92f3790c4a1071a9 +
00000000000000000fbceb08d7f309339f2307a5941104dace6da723077f112c (That's the next block hash of the block-height 341854 which included that transaction)
Then hashed it's:
4b6ecf89594caff0ef2528e636ee682b774e30ae7a180d534a8e9dc2178081b2
So the digits are:
aff0
So the draw number would be:
45040
Yes, I think that will do. |
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what happened to your last contest?
It didn't gain much attention, so we are giving it a big relaunch! I was topping the leaderboard at the previous contest. All the trouble I took! I got nothing.  this is really unfair! What is this previous contest you are talking about? This one: https://bitcointalk.org/index.php?topic=912538.0 |
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Oh, I see your transactions, actually that could make the game exciting, trying to get the lowest millisecond, but if there's a bot it would screw everything, do you know something about what @funtotry said?
Timestamp cant be changed but you can still resent the tx if the time received is bad.
Edit: I see your 000, wow well done, did you manually got that?
Yes. the check was done completely manual. I have no knowledge of coding and programming. Never created a bot in my life. Now, I can do it very good with max error of 1 to 2 seconds. and 70%+ accuracy I am going to make 1 more 000 hit in 4minutes to complete the check. EDIT: Done. https://blockchain.info/rawtx/8ede8d6cc6059e2c846c9acadd8b648ff45444fd180f86503988e73157df7c9cThe checking is complete now. Result: The method of using timestamp as a means of determining the order is exploitable. Suggestion: Pick a different method. any mentioned above by funtotry or me or something else. |
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Problem with the system i could keep submitting raw hex transactions and keep going for the tx id that I want, and don't broadcast it if its a txid that makes you win. Maybe hash the tx with a secret key, and you provide the sha256 hash of that secret key to verify that you aren't change it. This would make the random number not predictable if you don't know the secret key, which is released at the end of the day (week in this case)
makers sense now. Fluky will be using the unix timestamp from now. thanks all. Unix timestamp with milliseconds, seconds can be changed, also with the timestamp can't you just end at 01 seconds instead of 60 and be in first? Doesn't make sense to me Thanks for your reply, You say that the unix time stamp can be changed? The value will be taken from the "received time" by blockchain.info that value can't be changed, can it? Also 00 will win over 01 because the number would be taken from the 3 first digit of the inversed unix time: like 1422265904 = 409. Althought the players could try to get it in the lowest digit it's very easy to fail and get a higher number. Another option is adding the TXID with the hash of the block-height where it was included then hashed again, that way I think there's no way it can be changed, what do you think? Btw, while this get sorted out, the round will be increased by 24 hrs. Btw, we've noticed some other strange transactions. Yeah, good thing the order is reversed. I think it is okay. Most games like this hash the txid and use it to determine the winner, etc. I personally use blockchain wallet, on which doing so is either not possible or unknown? Just check it with someone else, since personally I am not so much into bitcoin and blockcain tech. I rechecked, but I think I could myself be able to use this to win. Do you want me to do a check? All i take is probably a few tries and I will come up with a good method to do it. Can you provide an address for me to check? (I have helped many sites with similar and different explitable systems, and I don't make a profit out of this. You can trust me. I will use only small amounts to check. and to your address so that you can see, please return the amount after the test.) Sure, you can test here 18aR3Buve9nFMrhEpVxxaBku3Kg2sxjU6W I'll return your amount, and a little tip after you finish. You'll try the timestamp method right? Yes I will be checking the timestamp method. |
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Pay/Month:
Members: 0.001BTC
Full Members: 0.002BTC
Senior Members: 0.003BTC
lol. Joke of the day. |
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what happened to your last contest?
It didn't gain much attention, so we are giving it a big relaunch! I was topping the leaderboard at the previous contest. All the trouble I took! I got nothing. this is really unfair! |
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I don't like the idea of this. Giving that details will not help you much recovering the amount. But you could sell it or something or someone could steal it, etc.
I currently need a 0.5BTC loan, no collateral, 2% interest a day, max 6 days, but I will not provide all that identification details. Please reply if interested.
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I need a loan of 0.25BTC+ upto 0.5BTC.
I need it to support my margin position (long) temporarily.
Duration : 1-7 days
Interest : 1% a day, to max 2% a day. Calculated using the period from receiving the loan to repayment.
Address : 1AUMthAr8sZUNbfDtWLtrEfBXDN81mspYM
I can lend 0.25 BTC, with 20% interest for a week (repayment of 0.3BTC). Let me know if you are interested. I decline. I need lower interest. If it is given per day bases (15%/6 for a day) I will probably agree,. I need a loan of 0.25BTC+ upto 0.5BTC.
I need it to support my margin position (long) temporarily.
Duration : 1-7 days
Interest : 1% a day, to max 2% a day. Calculated using the period from receiving the loan to repayment.
Address : 1AUMthAr8sZUNbfDtWLtrEfBXDN81mspYM
Are you 100% sure you haven't got no collateral at all to offer? I sometimes find it hard to believe that someone hasn't got any collateral at all. If collateral is involved and it would be fairly easy to find a buyer for the same price as the amount lent I would be willing to offer minimal interest if any at all. atm, I only have bitcoins and are using it to support my leverage. I only need the loan for 2 or 3 days (allow to 6 days for surity. for if, the price drops to 150, 175 etc.) approximately, and after that I will be getting some inflows. |
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I am planning to make a parlay out of the tennis bets. Can you provide 3 out of those which would be good for the parlay ?
He did mention he was sure of all bets so making on any is safe. I am not sure about that parlay. Seems too overconfident. I made an accident bet on parlay. I made bets on all the picks, and mixed the intended bet of a pick on a parlay and a parlay on another pick. and that too I made a parlay on all bets. I hope I won't make a loss out of this. Well..I didnt really understand the no of parlays u made out of the picks provided..hopefully all my picks win..Im just a bit less confidant on the last pick..which is on clay court.. n both of those players dont play much on clay..n is a bit unpredictable. other than that..all of em should come good.! I made parlay on all 5. that is the trouble. Made a huge loss of 0.8 BTC.  Luckily recovered from Direct Dice.  |
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Problem with the system i could keep submitting raw hex transactions and keep going for the tx id that I want, and don't broadcast it if its a txid that makes you win. Maybe hash the tx with a secret key, and you provide the sha256 hash of that secret key to verify that you aren't change it. This would make the random number not predictable if you don't know the secret key, which is released at the end of the day (week in this case)
makers sense now. Fluky will be using the unix timestamp from now. thanks all. Unix timestamp with milliseconds, seconds can be changed, also with the timestamp can't you just end at 01 seconds instead of 60 and be in first? Doesn't make sense to me Thanks for your reply, You say that the unix time stamp can be changed? The value will be taken from the "received time" by blockchain.info that value can't be changed, can it? Also 00 will win over 01 because the number would be taken from the 3 first digit of the inversed unix time: like 1422265904 = 409. Althought the players could try to get it in the lowest digit it's very easy to fail and get a higher number. Another option is adding the TXID with the hash of the block-height where it was included then hashed again, that way I think there's no way it can be changed, what do you think? Btw, while this get sorted out, the round will be increased by 24 hrs. Btw, we've noticed some other strange transactions. Yeah, good thing the order is reversed. I think it is okay. Most games like this hash the txid and use it to determine the winner, etc. I personally use blockchain wallet, on which doing so is either not possible or unknown? Just check it with someone else, since personally I am not so much into bitcoin and blockcain tech. I rechecked, but I think I could myself be able to use this to win. Do you want me to do a check? All i take is probably a few tries and I will come up with a good method to do it. Can you provide an address for me to check? (I have helped many sites with similar and different explitable systems, and I don't make a profit out of this. You can trust me. I will use only small amounts to check. and to your address so that you can see, please return the amount after the test.) |
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Problem with the system i could keep submitting raw hex transactions and keep going for the tx id that I want, and don't broadcast it if its a txid that makes you win. Maybe hash the tx with a secret key, and you provide the sha256 hash of that secret key to verify that you aren't change it. This would make the random number not predictable if you don't know the secret key, which is released at the end of the day (week in this case)
makers sense now. Fluky will be using the unix timestamp from now. thanks all. Unix timestamp with milliseconds, seconds can be changed, also with the timestamp can't you just end at 01 seconds instead of 60 and be in first? Doesn't make sense to me Thanks for your reply, You say that the unix time stamp can be changed? The value will be taken from the "received time" by blockchain.info that value can't be changed, can it? Also 00 will win over 01 because the number would be taken from the 3 first digit of the inversed unix time: like 1422265904 = 409. Althought the players could try to get it in the lowest digit it's very easy to fail and get a higher number. Another option is adding the TXID with the hash of the block-height where it was included then hashed again, that way I think there's no way it can be changed, what do you think? Btw, while this get sorted out, the round will be increased by 24 hrs. Btw, we've noticed some other strange transactions. Yeah, good thing the order is reversed. I think it is okay. Most games like this hash the txid and use it to determine the winner, etc. I personally use blockchain wallet, on which doing so is either not possible or unknown? Just check it with someone else, since personally I am not so much into bitcoin and blockcain tech. |
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Problem with the system i could keep submitting raw hex transactions and keep going for the tx id that I want, and don't broadcast it if its a txid that makes you win. Maybe hash the tx with a secret key, and you provide the sha256 hash of that secret key to verify that you aren't change it. This would make the random number not predictable if you don't know the secret key, which is released at the end of the day (week in this case)
makers sense now. Fluky will be using the unix timestamp from now. thanks all. Unix timestamp with milliseconds, seconds can be changed, also with the timestamp can't you just end at 01 seconds instead of 60 and be in first? Doesn't make sense to me That is a better alternative. |
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The admins are aiming to be back online by wednesday. That's not what stingleword has told me in a PM about the signature campaign: I will re-open once Lucky Bit is restored; this is expected to be on Thursday. Probably their aim is to be back by Wednesday, but they expect it to be online by Thursday.  |
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Anonymous or must register accout??
You have to register an account all right. Just email and password. |
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I am planning to make a parlay out of the tennis bets. Can you provide 3 out of those which would be good for the parlay ?
He did mention he was sure of all bets so making on any is safe. I am not sure about that parlay. Seems too overconfident. I made an accident bet on parlay. I made bets on all the picks, and mixed the intended bet of a pick on a parlay and a parlay on another pick. and that too I made a parlay on all bets. I hope I won't make a loss out of this. Well..I didnt really understand the no of parlays u made out of the picks provided..hopefully all my picks win..Im just a bit less confidant on the last pick..which is on clay court.. n both of those players dont play much on clay..n is a bit unpredictable. other than that..all of em should come good.! I made parlay on all 5. that is the trouble. |
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Suspicious tx in ROund #1 17 1CG1R4BimSyaFUhaEqiANLsuX28UpziYBt 0.09 0.1215 a3f12bb... [007b] 2/1/2015 9:54:03 AM UTC 123 Win d14e39c... The fact that the highest amount was put in by the same user makes it even more suspicious. |
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I believe the txid can be changed before broadcasting into the blockchain 
Anyone could easily win by simply repeatedly creating raw txids without broadcasting till he gets a txid with a low hex value at the required points.
The system is proven to be fair, to select the random number that determines the order of the payouts, the 13th,14th,15th and 16th character of the deposit TX is used
Example:
TX 0278d4300340724eb37a623089c3398fdaeb34e6a00057f4837c9d3833af5dbf
Would generate this 4 hexadecimal digits
724e
So that's 29262 decimal that would be your order number.
Ordered by that method, every user is paid out 135% of your bet until no more funds are available
Posted in public interest. With no intention of misusing it.
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