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Topic: i want to cancel unconfirmed bitcoin transaction (Read 2319 times)

newbie
Activity: 20
Merit: 0
November 25, 2017, 10:27:20 AM
#27
As far as I know there,s no way to cancel any bitcoin transaction once it was passed onto the blockchain. All you can do is wait for it to get confirm, if not it will be automatically refunded in your btc wallet.
member
Activity: 238
Merit: 15
--=oOo=--
Impossible to cancel bitcoin or cryto transaction once you sent the payment or bitcoin you just have to wait until it confirms your transaction. There is no way to cancel it.
I agree with what you said brother, it is true that a transaction can not be canceled at any bitcoin wallet. Once you sent a Bitcoin you can do nothing but wait whether you like it or not, even if you make a mistake. unless you contact their services that you want to cancel the transaction. you're lucky if they approve your "cancel" request.
member
Activity: 336
Merit: 20
Once you send the bitcoins, it cannot be cancelled.
newbie
Activity: 26
Merit: 0
To cancel a bitcoin transaction is not possible. unless you contact the wallet company

Wallet company? I dont think they can cancel a transaction themselves
full member
Activity: 252
Merit: 100
This is actually not possible. Bitcoin transaction takes a long time to process and interrupting it will add up to the time. So better yet not bother to cancel it.

Also in other wallets, receiving a Bitcoin that is still unconfirmed are already counted. It will identify already in the wallet although it is still being processed. And the wallet sent it no longer counts. Meaning, the value of the coin has been technically transferred already and waiting for it to be confirmed.
member
Activity: 62
Merit: 10
It is irreversible
newbie
Activity: 56
Merit: 0
You can't cancel it, you just have to wait for it to be dropped from the mempool. There is a default time before nodes will drop a mempool transaction, which is something like 72 hours or thereabouts.
newbie
Activity: 34
Merit: 0
i havent heard of anyone cancelling bitcoin transaction when its already sent off the wallet
I think this is just an ideal and maybe it could be an replenishment in the future.
newbie
Activity: 49
Merit: 0
i havent heard of anyone cancelling bitcoin transaction when its already sent off the wallet
newbie
Activity: 34
Merit: 0
There is noway you can cancel an unconfirmed transaction. The only thing you can do for now is waiting for them to be confimed or they will cancel it and send back the amount of Bitcoin to the sent address.
full member
Activity: 150
Merit: 100
Official AltCreator Account
It is almost impossible to stop one.

I beleive there is a way, but definitley a hard way.
copper member
Activity: 81
Merit: 0
Look around you , nothing is secure
Once you sign a transaction and send to the network its final !
Its because it will be illogical to have a cancellation function on the network

here are 2 possible ways :


1. unsigned Cancellation : Easy to implement , anyone can cancel any transaction.

this can lead to a new form of attack - "n-cancellation attack" - where n transactions get created , n transactions get cancelled by an attacker

the network will eventually shit itself.


2 signed cancellation : will require the user to sign the transaction id with there private key... and send a second transaction to the network.

the problem with this is not just that it is a waste of resource, it also wont work!

transaction on the blockchain are queued so if you send

T1   .... T2  .... T3

assuming t1 is a transaction

and t3 is another signed transaction that is meant to cancel t1

you see , its pointless, because t1 will be confirmed before t3 ( the cancellation transaction )


hope this answers your question with better insight ?






HCP
legendary
Activity: 2086
Merit: 4361
Well... the "good" news is that your new transaction (516a91108a1fc50403582388dceec26c948623d23fad2acb7fe569777db16883) has been accepted by "some" nodes...

https://live.blockcypher.com/btc/tx/516a91108a1fc50403582388dceec26c948623d23fad2acb7fe569777db16883/

I've also tried to push via my node, and it seemed to go with returning the "mempool conflict" error... So, if you continue to attempt to push the new transaction it will hopefully confirm before the other one Wink I'd suggest you try using the services listed here: https://en.bitcoin.it/wiki/Transaction_broadcasting

For pretty much all of them, you just copy/paste the "hex" and click the button Wink
member
Activity: 112
Merit: 10
May be you can contact to the company and ask them to cancel that transaction but i do not think that will be happen. A bitcoin transaction can not be canceled unless some powerful factor affect it.
sr. member
Activity: 672
Merit: 271
Try to accelerate your transaction from a mining pool or rebroadcast transaction. Help us with your wallet so someone can help you out in finding the rebroadcast option. I dont think there is any other way than this to get your transaction done.
jr. member
Activity: 55
Merit: 2
Do you own the private key for any of the outputs in this TX? Perhaps a change address? If you do you can use CPFP (child-pay-for-parent) to spent that output with a larger fee.
member
Activity: 112
Merit: 10
trx will be canceled in 72 hours automatically
jr. member
Activity: 30
Merit: 75
Replaceable unconfirmed transaction can be replaced with different destination address (i.e. pay yourself)
https://medium.com/@overtorment/bitcoin-replace-by-fee-guide-e10032f9a93f
member
Activity: 406
Merit: 19
No, bitcoin transaction can’t be canceled or reversed as it is directly connected to the bitcoin network.
The only way to get your funds back is if you know and have the contact information of the person who controls that bitcoin address. You can contact the receiver and ask to return your funds.
Bitcoin network transactions are designed to be irreversible and we don’t have control over them. Therefore, make sure you are sending your money to the right person and verify your transactions details before you click send.
member
Activity: 164
Merit: 19
Did you try rebroadcast?
I am interested to know if it worked.
Thanks
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