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https://bitcointalk.org/index.php?topic=2597277.540 creo que aqui te ayudaran amigo

Gracias amigo, I wrote a message

Quote from: bob123 on December 29, 2017, 12:34:09 PM

Quote from: floguigui on December 29, 2017, 11:47:16 AM

Do you have any accelerator transaction to suggest ?

Unfortunately viaBTC (https://pool.viabtc.com/tools/txaccelerator/) is the only working TX accelerator currently.
The other 'free' accelerator services aren't working currently. Its basically just an interface without any use.

You could try (given that you didn't sent all of you coins OR you are in control of the recieving address) a Child-pays-for-Parent (CPFP).
When performing a CPFP you create a transaction with the unconfirmed change/coins of your 1st transaction as input and one of your addresses as output.
This transaction needs to have a fee which is high enough to cover the fees of both of your transactions.
A miner will then (if its worth to him - which is the case with a high enough fee) include both of your transactions into his block.

To perform such a CPFP you have to import your seed into a wallet which allows to chose the 'coins' to send from (e.g. electrum: https://electrum.org/#home ).
For a suitable fee look at https://bitcoinfees.earn.com/ and double it (since you need to pay for 2 TX's).

Ive tried CPFP from my sending wallet, it doesnt work, but i will have a try with your advice even if i understood the half of it ahah ;

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can mycelium do 'signrawtransaction' command?
you can try double spend tx with higher fee (if you are the sender)
create unsigned hex rawtx using a tool and use mycelium to sign then push to some nodes
or you can do CPFP if you are a receiver and coin select is possible (choosing UTXO)
if those are not availabe, you need to export private keys and import them to another wallet to do the jobs

thank for your answer guys, i will try with what you gave me