Help me relay a double-spend transaction

[Newar]

That site doesn't help author double-spends, but it will relay them, which OP originally asked for although he really wanted a friendly miner.

Ok but how do i add that node? should i just

Code:

bitcoind -connect=respends.thinklink.com

Or is there any other command to add http://respends.thinlink.com as a node as i don't really see any ip address of that node and yes with a friendly miner it would be a lot easier.

I don't think that is the node itself, just a database, as it says in the description.

Let us connect our first instance to nodes running bitcoin v0.8.x (use -connect option)

Is there a command like -connect=0.8.6 or should i just pick a random node?

Try https://getaddr.bitnodes.io/nodes/?q=/Satoshi:0.8.6/

[yakuza699]

just

Code:

sendrawtransaction 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I tried it many times before(with different transactions) i get the hash but i doesn't get on blockchain explorers such as blockchain.info, blockr.io and so on.

update #1: the second transaction logged on http://respends.thinlink.com/
http://respends.thinlink.com/tx/7a0b66873d85df5e14a5d67c46eb4de9a828dcef72f4b61399384f5f1ad7963c

So does it mean that my transaction will be mined? I guess only after nodes will drop the first one.

update #2: none of these transactions will be mined by Eligius. Eligius asks for 0.0001 fee per 1000 bytes. your transaction is more than 3kb but pays only 0.0003

Ops sorry forgot that it is above 3k bytes so now i put 0.0006 on it here

Code:

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update #2.1: I do not understand your words about 65de3c6742428edf285aac19dda405bcd70d9b9ffa21f9755fe7c2d4440f77bf

Have you tried to push double-spending transaction to Eligius? If you paid only 0.0003 fee - Eliguis accepts it, relays is, but will not mine it

Yes i pushed it on eligius i am not entirely sure but i have probably put 0.0003 fee on it as that transactions is a high priority one now eligius keeps it at their mem pool and doesn't allow me to push other double-spends of it. Does that could have been the case?

Where to find these miners?

In the bitcoin network of course. Where else?

Btw how to do this? Is there a command line or something like that.

[yakuza699]

That site doesn't help author double-spends, but it will relay them, which OP originally asked for although he really wanted a friendly miner.

Ok but how do i add that node? should i just

Code:

bitcoind -connect=respends.thinklink.com

Or is there any other command to add http://respends.thinlink.com as a node as i don't really see any ip address of that node and yes with a friendly miner it would be a lot easier.

I don't think that is the node itself, just a database, as it says in the description.

I thought that http://respends.thinlink.com/ server itself relays double-spend transaction's (yeah kind of dumb) So i assume there is no way to add http://respends.thinlink.com/ as a node or there is?

Let us connect our first instance to nodes running bitcoin v0.8.x (use -connect option)

Is there a command like -connect=0.8.6 or should i just pick a random node?

Try https://getaddr.bitnodes.io/nodes/?q=/Satoshi:0.8.6/

Yeah that is basically picking a random node, but still thanks.

[amaclin]

I tried it many times before(with different transactions) i get the hash but i doesn't get on blockchain explorers such as blockchain.info, blockr.io and so on.

You should must understand how transactions are relayed and propagated through the network.

So does it mean that my transaction will be mined?

May be.

I guess only after nodes will drop the first one.

There is no fixed time which nodes keep your transactions. Some transactions live monthes and years Especially on such stable pool as Eliguis  

Ops sorry forgot that it is above 3k bytes so now i put 0.0006 on it here

It will not help. Remember rules:
1) Eligius rejects double-spend attempt transactions (this means also: Eligius does not have replace-by-fee-patch)
2) Eliguis relays all transactions which passed rule (1)
3) Eliguis keeps in its memory pool all transactions (+rule 1, 2) with fee > 0.0001  (and may be some with old coins and high volume)
4) Eliguis mines transactions (+rule 1,2,3) for 0.0001 btc per kb

Now Eliguis already has either 65de3c6742428edf285aac19dda405bcd70d9b9ffa21f9755fe7c2d4440f77bf (you mentioned it, i do not know its contents) or 7a0b66873d85df5e14a5d67c46eb4de9a828dcef72f4b61399384f5f1ad7963c

Update #3: Confirmed in block
http://webbtc.com/tx/7a0b66873d85df5e14a5d67c46eb4de9a828dcef72f4b61399384f5f1ad7963c

Thats all, folks!

Update #4: Blockchain.info is up now (yesterday it was broken) and shows this pair as double-spending attempt
https://blockchain.info/tx/7a0b66873d85df5e14a5d67c46eb4de9a828dcef72f4b61399384f5f1ad7963c
https://blockchain.info/tx/22308747e3ef69eb644b7a0ca95a4a12c05a9c8b48b5716731df9003e2218951

[Newar]

I thought that http://respends.thinlink.com/ server itself relays double-spend transaction's (yeah kind of dumb) So i assume there is no way to add http://respends.thinlink.com/ as a node or there is?

It says on the site that they run a node. Contact them to find out?

[yakuza699]

Alright this time i tried to double-spend this transaction https://blockchain.info/tx/93ea867e014898d17d9d2de9399b031cb16761b76627913fd075c2ab16034846 i put a generous 0.0005 fee on a 3006 bytes tx and pushed it on eligius i got this

Code:

Trying to send...
array(3) {
  ["result"]=>
  string(64) "03ad2dfe49617c4744629a1d2d3f49323ef4b13fc22fe74883dbf2b057f5452d"
  ["error"]=>
  NULL
  ["id"]=>
  string(1) "1"
}
Response = 0

I assume it will be mined in the next eligus block, lets see how it goes...

Update Holy shit took less than one minute to confirm https://blockchain.info/tx/03ad2dfe49617c4744629a1d2d3f49323ef4b13fc22fe74883dbf2b057f5452d

Update2 I guess i have learned a lesson on how to double-spend  

Thanks for everyone who answered my question's especially amaclin and danny

[amaclin]

... and paid for the lesson 

[deepceleron]

Double-spending 0-confirmations is accepted as possible. Satoshi Dice was the first large player to experience the error of their ways in accepting 0-confirmation transactions - a player could immediately see that their bet (a transaction with low fees) lost, and then double-spend a much more favorable transaction that might be mined instead. Even a 2% success rate beat the house.

Bitcoin accepts the first spend of a UXTO that it sees, accepting it into the memory pool, and rejects later transactions outright. Miners are free to alter this behavior in their own software, perhaps accepting later double-spends that have more fee. It is not documented that any prominent miners have done so, because it against the interest of Bitcoin.

The 0 confirmation "attack" (it's not really an attack, because you were warned) canonically takes the form:
1. Find a stupid merchant that will give you something irrevocable for a 0-confirmation transaction.
2. Discover something about network topology that allows you to narrowcast a payment to just the merchant or nodes around him,
3. simultaneously broadcast a double-spend transaction directly to mining nodes and their backbone.

This may cause the merchant's Bitcoin to show the bad transaction and reject the later one more likely to be mined. Techniques to mitigate such an attack and still have some confidence in taking a 0-confirmation transaction within ~10 seconds of receipt involve employing many nodes and many connections to diverse nodes throughout the network which listen for any double-spend attempts and block the purchase if such an attempt is made. Merchant software should also know about fees and be less trusting of transactions without an adequate fee for immediate mining.

[amaclin]

It is not documented that any prominent miners have done so, because it against the interest of Bitcoin.

There is no such thing as "interest of Bitcoin".
There is "interest of me" and "interest of all others".
FYI https://en.wikipedia.org/wiki/Tragedy_of_the_commons

[yakuza699]

Double-spending 0-confirmations is accepted as possible. Satoshi Dice was the first large player to experience the error of their ways in accepting 0-confirmation transactions - a player could immediately see that their bet (a transaction with low fees) lost, and then double-spend a much more favorable transaction that might be mined instead. Even a 2% success rate beat the house.

Bitcoin accepts the first spend of a UXTO that it sees, accepting it into the memory pool, and rejects later transactions outright. Miners are free to alter this behavior in their own software, perhaps accepting later double-spends that have more fee. It is not documented that any prominent miners have done so, because it against the interest of Bitcoin.

The 0 confirmation "attack" (it's not really an attack, because you were warned) canonically takes the form:
1. Find a stupid merchant that will give you something irrevocable for a 0-confirmation transaction.
2. Discover something about network topology that allows you to narrowcast a payment to just the merchant or nodes around him,
3. simultaneously broadcast a double-spend transaction directly to mining nodes and their backbone.

This may cause the merchant's Bitcoin to show the bad transaction and reject the later one more likely to be mined. Techniques to mitigate such an attack and still have some confidence in taking a 0-confirmation transaction within ~10 seconds of receipt involve employing many nodes and many connections to diverse nodes throughout the network which listen for any double-spend attempts and block the purchase if such an attempt is made. Merchant software should also know about fees and be less trusting of transactions without an adequate fee for immediate mining.

Because of this i want to close this topic(i already learned what i want) (should i?) as an attacker can read this topic learn how to double-spend and attack those "stupid merchant's" which i don't really want as bitcoin will get a bad name for it.

[amaclin]

Because of this i want to close this topic(i already learned what i want) (should i?)

Up to you. It is certainly your right to do it on not.

as an attacker can read this topic learn how to double-spend

Attackers do not read these topic! They do write it  

and attack those "stupid merchant's" which i don't really want as bitcoin will get a bad name for it.

I think that the real attacker is much more clever than you and me.
So, the real tools against them are truth, knowledge and publicity

[yakuza699]

Attackers do not read these topic! They do write it  

You are a funny dude aren't you? 

Up to you. It is certainly your right to do it on not.

Not gonna delete it just gonna lock it and leave it rest.

[yakuza699]

Ok I am unlocking this thread again as recently I saw this https://bitcointalk.org/index.php?topic=825006.msg9235371#msg9235371 in that thread dude posted this transaction https://blockchain.info/en/tx/f24ff339fc651b0b28cdfc0e67bb4c2f91b46cbd39935ff4d70c95bb5c33b0e9 he said it doesn't confirm and people were saying just don't broadcast it but I fault maybe there is a way to double-spend. So I created this transaction https://blockchain.info/tx/0c9b97eabf40271ef4f5061903e9731ac95d0bbe6bc9fb9e93fc9a18e16af2f2 I tried to double-spend it and pushed it on my bitcoin-qt debug console and got this 5d7a1d6a648fc1944c750e48c65e3204b09a2e93bdd4370c7666398e14b25508 but apparently it didn't got here http://respends.thinlink.com/ even though I left my client running for like 2 hours. So I fault maybe you guys could help me(and him) to return those coins by double-spending.

P.S I guess I haven't learned how to double-spend properly.

[amaclin]

but apparently it didn't got here http://respends.thinlink.com/ even though I left my client running for like 2 hours.

Have you read this sentence from the site you mention:

Most of the bitcoin network silently drops double-spends, so this list is far from complete.

Do you understand the meaning?

So I fault maybe you guys could help me(and him) to return those coins by double-spending.

No reason to help for free for "saving" a couple of cents.

[Velkro]

Shady stuff you are trying here, but im hope it is to audit bitcoin code and to improve bitcoin secuirty in the end

[yakuza699]

but apparently it didn't got here http://respends.thinlink.com/ even though I left my client running for like 2 hours.

Have you read this sentence from the site you mention:

Most of the bitcoin network silently drops double-spends, so this list is far from complete.

Do you understand the meaning?

Yes I understand, so I guess the only thing that I could do is just wait for it to drop or connect to other nodes and try rebroadcasting the double-spend tx again.

No reason to help for free for "saving" a couple of cents.

Maybe there are few generous and kind people who could help me out 

[amaclin]

Yes I understand, so I guess the only thing that I could do is just wait for it to drop or connect to other nodes and try rebroadcasting the double-spend tx again.

OK, you have got it.
Do not just wait. Connect to as many nodes as you can. And rebroadcast tx manually.

[yakuza699]

Shady stuff you are trying here, but im hope it is to audit bitcoin code and to improve bitcoin secuirty in the end

Neither of those.I don't do any shady stuff and I don't want to "audit the bitcoin code" all I want is to learn more about bitcoin.

[Muhammed Zakir]

Can anybody push this tx? I have signed it. I am trying to double spend the tx I spend earlier, brainwallet removed the fees when I sent it. I will give some BTC to you for pushing. I tried online services like Blockchain, Eligius and btc.blockr.io . Thanks in advance!

Code:

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

P.S. The tx I sent earlier : e0f484aa830447a1c589e1be89d9d605dee9823f303abd757784d0d6449a78ca

   ~~MZ~~

[FattyMcButterpants]

Can anybody push this tx? I have signed it. I am trying to double spend the tx I spend earlier, brainwallet removed the fees when I sent it. I will give some BTC to you for pushing. I tried online services like Blockchain, Eligius and btc.blockr.io . Thanks in advance!

Code:

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

P.S. The tx I sent earlier : e0f484aa830447a1c589e1be89d9d605dee9823f303abd757784d0d6449a78ca

   ~~MZ~~

You will probably need to wait 24~ hours for the previous TX to be 'forgotten' by the nodes mempool. You also have the possibility that your TX will get confirmed despite the no fee attached