Title: Can I double-spend against myself to fix a transaction sent with no fee? Post by: chiropteran on April 03, 2013, 04:47:29 PM I send several bitcoins from one wallet of mine to another, using the default bitcoin client, version .8.1
The client didn't ask me to include a fee and I didn't think to add one manually. It's now 2 hours later and the transaction is still sitting at 0 confirmations. I understand that it may EVENTUALLY go through when some generous pool wins a block and decides to include some 0 fee transactions. But, isn't it theoretically possible for me to simply double-spend those bitcoin, since they haven't actually be officially spent, and send the same transaction again, with a fee? I just can't seem to figure out any way to fool the regular client into letting me do this. I'm a little bit afraid to go searching google for a hacked client that will allow double-spending, because it sounds like the exact sort of program favored for planting trojan infections. Is there a possibility of doing what I want? Is there a legit tool or utility I can use to try to double-spend my coins? Or do I just need to wait it out, and get my coins when they come? Title: Re: Can I double-spend against myself to fix a transaction sent with no fee? Post by: jackjack on April 03, 2013, 05:35:16 PM Wait 24 hours it should be included eventually
If it really bothers you, you can try pywallet Afaik no client allows double spending Title: Re: Can I double-spend against myself to fix a transaction sent with no fee? Post by: DannyHamilton on April 04, 2013, 05:21:31 PM I don't know of any trusted client that assists you in intentionally creating a double-spend.
If you know what you're doing, you can create a double-spend raw transaction, sign it, and then broadcast it. The tricky part will be getting peers to accept and relay the double-spend so it will get to a miner. If you shut off your client for a few days, the network will forget your transaction if it hasn't made it into a block yet. Then the peers will relay the double-spend. Title: Re: Can I double-spend against myself to fix a transaction sent with no fee? Post by: john_doe on April 05, 2013, 12:55:58 AM Don't worry, it *will* go through... eventually ::)
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