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That attack won't work.If you want to malle a tx you gotta do it the same second as the other tx.Lets say you send it to a gambling site ok but you have to wait at least few seconds for the deposit to show up and for the outcome.If there's at least 1 second delay the first tx will be propagated through the nodes already.
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This attack wont stop
Unless miners start to ignore High-s. |
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persently the site is new so we are giving 10% back from everyones loss (for them who have bet atleast 0.0001btc)
Have fun everybody it's +EV.Math for dummies:You have 2BTC you bet 1BTC on 50% you loose but you get 10% back so now you have 1.1 you bet 1BTC again and get 0.98 and have a total of 2.08BTC.Over two bets you have a 0.08BTC profit when it is expected to have 0.02BTC loss with a HS of 1%.If there are not hidden requirements and that's how it works than bye bye Lucky Dice(How did moneypot even considered investing in this one?). |
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Standard type of transactions is the Node policy or protocol rules?
What do you mean by standard type?All standard and non-standard tx's as long as they are valid can be included in a block.Protocol rules state which kind of tx's can be included in a block node policy rules state which tx's will be relayed.Node policy rules can only be tighter and not looser.For example under current protocol rules(and tx rules) tx over 1MB is invalid thus block that included this transaction is also invalid.A transaction of over 100KB is not relayed under current node policy but it is perfectly valid and good under protocol rules and it can be included in block. |
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1 MB tx is not possible!
Maximum possible Non-standart Transaction size is MAX_BLOCK_SIZE (1 MB) - block header info (80 bytes) and this transaction should be coinbase !
And this constraints is correctly described in attached pictures
You're right but 1MB tx will be possible in the next forks. |
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Still think I am wrong? Yes. I think you are wrong. I am NOT saying that, that transaction is invalid.I am saying that, that transaction is non-standard.Try to relay the given tx and see yourself. |
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Sending more than 0BTC to an OP_RETURN output would be non-standard. No, this is standard output. The amount will be burned Wrong. https://bitcoin.org/en/developer-guide#non-standard-transactions "As of Bitcoin Core 0.9.3 standard null data outputs must receive zero satoshis".Still think I am wrong? 010000000133c3d38bb4a30bd4595707e13ca17d948d051365b166f50da26527680f0bddf0000000008a47304402205a277704ca398dfdfee958ab6eb3af098d88b60c34712ff5bceab9401a715c4d02202523894f0924136bde8ae07b8b6cf06cb2e75c175172c31e6800db7d9adca648014104f64e3d965b8f4aa507665a7a765dab9a78192c1dc7d87743696ee7adc714de336b8435c3e21ae72d917fe1e588f54e632a8448611a8a1b20bbe9066c0ec78a75ffffffff0290512d00000000001976a91474824ef4fc87f5e6a9c7800ca5afd67e49dac34188ac0000000000000000066a045445535400000000 Good luck relaying it. |
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The fees for these small outputs are higher than the values in those outputs.
Yes that's what you need to do if you want your tx to get confirmed. So here is what I think: The OP wanted to perform the stress test but realized that he will not be able to accumulate those dust outputs (which he before created by splitting 250 BTC up in small amounts) without spending another 250 BTC on transaction fees.
I think it's wrong.Maybe OP was just too lazy to do it himself so instead released the priv keys so that other people would do the "stress test" for him.And you know if OP would have gave me the keys I would have got at least 100BTC from it. Now he realized that he essentially burned 250 BTC and the release of those private keys is one last desperate move to reestablish his good reputation (by appearing generous). The private keys however are entirely useless.
As amaclin said useless for who? |
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0 btc transacted. Damn this really doesn't work and the OP is just spamming the blockchain. Wrong.Sending more than 0BTC to an OP_RETURN output would be non-standard.As you can see he gave everything as fees for the miners and you should know that OP_RETURN outputs does not increase UTXO. |
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Zero value output. Would eligius even mine this?
No they would not, also Eligius should really fix their pushtx page. |
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so, whats the hack?  Please re-read next time.It's not a hack but you can take advantage of it. However, at directbet, you can apparently wait until you see a player hurt in the second or third set and then bet the other guy, and you'll win.
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Hello this morning I received a PM by BuyAreaCoins and he gave me this link https://www.reddit.com/r/Bitcoin/comments/3dygn9/double_spend_on_pocket_dice/.I was pretty shocked after reading it because who wouldn't when he is innocent.I am going to quote my self what I wrote on reddit. Hello everyone, yakuza699 from bitcointalk.org here.I am going to be very straight forward and tell you that I was not involved with this at all.Why in the world would I choose same username on a site that I plan to attack?That just wouldn't make any sense.Though it is very interesting that he choose my username.Something special about it?Regarding trading or any kind of deals I don't really care if you trust me or not because I don't do a lot of trades and when I do I either use escrow or go first if I deal with trusted people. Yakuza699 also tried sending a double-spend to repay his loan
Regarding that check this: I would be weary about accept 0/unconfirmed transactions from this person.
Not only with me but with everyone coins are not yours if they are unconfirmed.I knew(was not sure 100%) that that transaction will not confirm that is why I stated "If this tx doesn't confirm ask me to resend!" And that is what I just did. https://blockchain.info/tx/162f89bbf6118bc06c2d26e6be5d1823b680f6f6c12b194bdaf3e568de2f3404This time the transaction will confirmJust got confirmed. Sorry for all the inconvenience marco. I hope I don't have to take a loan ever again but if I do I will contact you. It was an accident and I re-sent it. |
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A billionaire decides to waste some money and creates a provably fair EV+ casino.
Don't liken this to investing in the house of a dice site, as you don't have as much security as you get, with the maximum winnnings and that sort of things.
How much would you gamble in this hypothetical EV+ casino?
I always love this kind of question, well even in the fairest casino i wouldn't gamble cause there is always statistic that works against you no matter what you do. It is called House edge a positive expected value for owner which in this case would be negative for house.There's no way for a house to win if we have +EV for us.Unless you make very few large bets.In that case everything can happen but if you place a lot of small bets periodically you will be in profit over time. |
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