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Author Topic: Double-Spending  (Read 744 times)
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danieldaniel
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February 28, 2014, 10:31:45 PM
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I have a quick question: I seem to remember a page on block chain.info that allowed you to make a double-spend attempt.  Does this still exist?

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Meuh6879
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February 28, 2014, 10:33:14 PM
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 Grin you're welcome.







insert coin.
danieldaniel
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February 28, 2014, 10:34:46 PM
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Grin you're welcome.







insert coin.
Not sure what the point of this post was. 

Meuh6879
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February 28, 2014, 10:36:27 PM
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you can't double-spend.
danieldaniel
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February 28, 2014, 10:38:13 PM
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you can't double-spend.
Sorry, I should have made that a little more clear.  I was asking about creating a double-spend attempt

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February 28, 2014, 10:41:51 PM
 #6

you must hack a bitcoin-QT for this ...
danieldaniel
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February 28, 2014, 10:43:30 PM
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you must hack a bitcoin-QT for this ...
Yeah, that's what I was asking about.  I remember visiting a page on blockchain.info that generated double-spend attempts.  I'm just asking if it's still there or if I will need to "hack" bitcoin-QT. 

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February 28, 2014, 11:00:06 PM
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http://juraj.bednar.sk/blog/2013/08/14/stuck-bitcoin-transaction-and-play-with-double-spend/

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I found out a very lame and easy solution. I thought if Electrum does not see the old transaction, it can spend the inputs again.
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February 28, 2014, 11:02:00 PM
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I suppose this is what you are looking for... What's with all that spam?
https://blockchain.info/double-spends
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February 28, 2014, 11:04:10 PM
 #10

I suppose this is what you are looking for... What's with all that spam?
https://blockchain.info/double-spends
Nope, the one I was looking at before actually allowed you to generate one. 

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February 28, 2014, 11:07:33 PM
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I suppose this is what you are looking for... What's with all that spam?
https://blockchain.info/double-spends
Nope, the one I was looking at before actually allowed you to generate one. 

There is a page which you can use to relay transactions using the blockchain node...
https://blockchain.info/pushtx

You could make a fake double-spend and broadcast it, I suppose.
DannyHamilton
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March 03, 2014, 07:14:03 PM
 #12

I have a quick question: I seem to remember a page on block chain.info that allowed you to make a double-spend attempt.  Does this still exist?

I recall the same page.  I don't think it exists anymore.  I'm trying to find the thread where it was discussed, but not having a lot of success with my searching.

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March 03, 2014, 07:20:34 PM
 #13

I have a quick question: I seem to remember a page on block chain.info that allowed you to make a double-spend attempt.  Does this still exist?

I recall the same page.  I don't think it exists anymore.  I'm trying to find the thread where it was discussed, but not having a lot of success with my searching.

I remember it aswell! It was removed though.
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