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Author Topic: Electrum 2.7.9 Error -> Invalid transaction: invalid signature  (Read 333 times)
Zinc3555
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October 21, 2016, 01:32:50 PM
 #1

For the last 12 hours I can't send any money from my Electrum wallet, because every time after confirming transaction with password and Authanticator I get this message:


https://i.imgur.com/iu6RCUw.png


There is also one strange thing. I tryed to restart my Electrum client several times, and sometimes I can see some "ghost" transaction that I did not send. You can see the details below:



https://i.imgur.com/FD2XQ5w.png
https://blockchain.info/tx/d4ab4362496800cf3a7720f5236b494ff78117010923dbaea6acaf4a0da370d5


Does anyone know how I can fix it?
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October 22, 2016, 07:58:14 AM
 #2

I'm one of the Trustedcoin admins. 

We're still attempting to diagnose this issue. 

Could you retry your transaction?  We've deployed change on our server that may fix it but even if they do not your attempt should generate sufficient diagnostic information for us to isolate the problem.

One other thing worth pointing out is that this error message started appearing with 2.7.9 ... so downgrading may be a viable stopgap option.
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October 24, 2016, 12:41:14 AM
 #3

FYI this appears to have been caused by an unexpected/unintended change in the format of partially signed transactions exchanged between the Electrum client and the Trustedcoin API.

A fix for this issue has been deployed to Trustedcoin's servers.  If anyone sees this problem recur, please contact Trustedcoin support .

Sorry to any users who were inconvenienced by this problem.
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