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841  Local / Other languages/locations / Re: Pakistan on: December 07, 2018, 09:39:21 PM
Quote from: Indymoney on November 26, 2018, 09:08:51 PM
Right now biggest issue is today State Bank of Pakistan announces they are going to crackdown on crypto related peoples and cyber crime force is going to ban localbitcoins.com and all sites those working in Pakistan and have links with crypto related links so I don't think any site like this is going on in near future.

Source for this news?  There is no law against bitcoin or other cryptocurrencies in Pakistan so it's not illegal. State bank can't crackdown on websites because that is not within it's purview. That's the job of the PTA. Cyber crime force (whatever that is) also can't act in the absence of a law banning bitcoin.
842  Bitcoin / Electrum / Re: Electrum Issue on: December 06, 2018, 05:19:45 PM
Quote from: AverageGlabella on December 03, 2018, 04:09:58 PM
Quote from: BitCryptex on December 03, 2018, 12:00:05 PM
Please note that you won't be able to increase the fee if you use old version of Electrum. RBF (replace-by-fee) is turned on by default since the Electrum 3.1.0 which was released somewhere in March. In such case, updating Electrum won't help because the transaction has been already broadcasted.

According to the documentation on the Electrum FAQ you would have needed to checked “Replaceable” on the send tab before sending the transaction. If this is enabled by default now (I can't check right now but I've it is before) then you just create a child pays for payment which is using a different address to pay for the fee of another address. This would require you to have some left over balance obviously.

To create a CPFP transaction just right click on the unconfirmed transaction that is in your history tab and choose “Child pays for parent”. Set a fee which will get it confirmed in the time span you want. There's many places you can check the current network fees and get a good idea how long it will take to confirm. Then click on “ok”. A window will popup and you just have to click on "sign" and then "broadcast"

This should then get your existing transaction to use the child pays for payment fee and get it confirmed quicker for you.

You don't need to check replaceable to do CPFP. CPFP only requires that you control one of the output addresses. RBF, which is another way to bump the fee, requires that you mark a tx replaceable. Yes the default is for all transactions to be marked replaceable.
843  Bitcoin / Electrum / Re: Electrum hacked. Unauthorized transfer. 2.9.3 on: December 06, 2018, 12:38:29 PM
Did the hack happen after you updated electrum or before? If it happened after then check your browser history to find out the real URL you downloaded electrum from. You may have downloaded a malware version.
844  Bitcoin / Electrum / Re: 12 word vs 24 word seeds on: December 03, 2018, 12:20:03 PM
the difference is impossible to even more impossible. the default 12 word seed has 135 bits of entropy.

having said that you can generate a custom size seed with the make_seed command line option. this is available on linux and maybe macosx (windows wrapper doesn't allow interaction on the CLI):

Code:
electrum make_seed --nbits=256

The above will give you a 24 word seed.
845  Bitcoin / Electrum / Re: Help Needed - Money Lost on: December 01, 2018, 08:58:17 AM
does it say 0 or +0? if it's the latter then upgrade to the latest version of electrum
846  Bitcoin / Electrum / Re: Good idea to salt? on: November 30, 2018, 11:16:06 AM
electrum doesn't use bip39. the security of the electrum seed is explained here: http://docs.electrum.org/en/latest/seedphrase.html#security-implications . i honestly don't understand that math.
847  Bitcoin / Electrum / Re: Escrow Refunds on: November 30, 2018, 11:11:47 AM
Quote from: hakunamatataH2O on November 30, 2018, 03:58:21 AM
Im using version 3.2.3. Under the receive tab am I able to request the amount of my refund back from the escrow wallet? Or is it honestly just in the hands of the other party?

To send bitcoin to someone you need an address from their wallet. The recipient needs to go get an address from their wallet and communicate that to the sender. The receive tab is just a way to get an address from your wallet. It can't communicate with your marketplace or any other place. You have to do that. You just copy the address it gives you and communicate that to the marketplace operators to send you the refund.

Now my guess is that the marketplace has its own wallet for each user on its site and the refund was sent to that wallet. So the refund is in your account with the marketplace and you now need to use the withdraw function of their website to withdraw the funds to the address you got from the electrum receive tab.
848  Bitcoin / Electrum / Re: Escrow Refunds on: November 29, 2018, 10:12:57 AM
Quote from: hakunamatataH2O on November 28, 2018, 08:55:12 PM
My wallet address changes after each transaction, if i am to get a refund from escrow how does it go back to my wallet? Does each of my old receiving addresses still route the refund back to my wallet? Please help as its been nearly a week now since my refund was supposed to have been sent-yet nothing has been received. Appreciate the knowledge/ direction of anyone that may be able to shed some light on the matter.

To get a refund provide the sender with another address from the receive tab. That's how bitcoin works. You can't guarantee that the "from" address  of a transaction belongs to the sender so anyone who's sending money back to it is doing things incorrectly.

Having said that if they did send the refund to one of your old addresses you would still have received it. Most likely they didn't send any refund.

What version of electrum are you using? you can find out the version number from the window title or help > about.
849  Bitcoin / Electrum / Re: Set fund from Electrum wallet elshwhere, need help on: November 20, 2018, 06:01:28 PM
See your options here
850  Bitcoin / Electrum / Re: How do i verify Electrum installer on Linux? on: November 16, 2018, 03:52:39 PM
I meant the electrum dependencies that get downloaded from pypy.  These are pip modules written by other authors and not by Thomas V.
851  Bitcoin / Electrum / Re: How do i verify Electrum installer on Linux? on: November 16, 2018, 09:23:09 AM
pip modules are not subject to review. It is indeed possible that backdoors might be introduced via them. 

852  Bitcoin / Electrum / Re: Transaction not desired with all my bitcion on: November 12, 2018, 02:16:32 PM
Quote from: JFOUD on November 12, 2018, 02:11:02 PM
Ok thanks for the precisions.

Do you know if sometime those scammers are caught?

Don't hold out hope for this. Next time bookmark the correct electrum website and always visit it via that bookmark. Also use an adblocker. These scam sites don't show up in the search results proper. Instead they show up in google ads above the search results. If you had an adblocker you would have never even seen this site.

Oh and you can't use any bitcoin or cryptocurrency wallet on the same PC where you installed this fake version until and unless you reformat your hard drive and reinstall windows. That's because the malware version you installed may have left behind additional nasty software that will compromise any future wallets you create.
853  Bitcoin / Bitcoin Technical Support / Re: 2016 wallet.dat recovered but not show balance on: November 10, 2018, 01:30:26 PM
if it says it's unencrypted then it's unencrypted. what are you trying to do? if you want to move your funds to a different address use the send tab.
854  Bitcoin / Electrum / Re: Transaction not desired with all my bitcion on: November 10, 2018, 05:24:45 AM
Quote from: JFOUD on November 09, 2018, 12:18:28 PM
Quote from: bob123 on November 07, 2018, 05:31:54 PM
Did you verify the signature ?

Even if you download it from the official source, a Man-in-the-middle attack could replace the original client with a malicious one.
Verifying the signature is the only way to make sure you are using the correct version.

If you are too lazy to verify the signature, at least check the hash of the file.

To check the hash, please do the following (assuming you are on windows):
  • Open the command promt (WIN-key + R  -> then enter 'cmd')
  • Enter: certUtil -hashfile C:/path/to/your/electrum/file.exe sha256

Then please post the output here and tell us which version of electrum you are using. I am then going to download the correct file and verify that the hash is the same.
If this is the case, your client was non-malicious and we have to look further how your coins got stolen.



Here the output I have :
a0 ac b5 93 de 3b 9b a3 c5 30 79 34 c7 95 41 ed 69 50 1a e2 7b 0e 10 70 6a 63 87 34 46 8d 20 9f

I have to precise that I downloaded the "standalone executable" version of Electrum .



This is not the correct sha256sum:

http://termbin.com/c7bh

That last line contains the correct checksum. I suggest you check your browser history to verify the exact url you downloaded electrum from. In the past we've seen users insisting that they downloaded from the official site but when we ask them to check their browser history it turns out that they got it from some fake site.
855  Bitcoin / Electrum / Re: Electrum on server for receiving and sending payments on: November 08, 2018, 02:14:35 AM
As mocacinno said there is no need for that last step. You can simply create a cold storage wallet on an offline device or via a linux live cd with the net disconnected. Then grab the master public key of that wallet via wallet menu > information and copy that to a text file on a removable drive. On the server you can create a watch only wallet with that mpk like so:

Code:
electrum restore <mpk here>

(replace <mpk here> with the actual mpk starting with xpub...)

The watch only wallet will let you generate receive addresses but not spend your bitcoins. So you basically will be receiving funds directly to your cold storage wallet without exposing your private keys to an online device.

To generate receive addresses using addrequest with the --force switch:

Code:
electrum addrequest --force 0.1

0.1 can be any amount. The command requires an amount but that doesn't affect how much someone can send you.
856  Bitcoin / Bitcoin Technical Support / Re: 2010-2011 Windows XP bitcoin mining recovery HELP on: November 05, 2018, 11:17:43 PM
OP doesn't say he formatted his hard drive or deleted wallet files so IDK why people are advising the use of data recovery software.

@ALANL look for the data directory of popular wallets. For instance bitcoin core https://en.bitcoin.it/wiki/Data_directory . IDK of any other wallet apps that have been around since 2010-11.
857  Bitcoin / Electrum / Re: Forcing Electrum to search deeper into change addresses on: November 04, 2018, 08:09:11 PM
Is it really random? There are over 2 billion possibilities for non-hardened addresses. How many do you plan to look through?

You can generate 20 new change addresses using the code below on the console tab (view > show console if you can't see it) but it'll only create them sequentially starting from the index of the last generated address not randomly in the chain:

Code:
for thing in range(0,20): wallet.create_new_address(True)
wallet.synchronize()


BTW default gap limit (last used+) is 6 for change addresses. AFAIK you can't change the gap limit for change addresses only generate new addresses manually.
858  Bitcoin / Development & Technical Discussion / Re: Need someone verifying these versioned private keys (BIP178 & Electrum) on: November 03, 2018, 04:24:12 PM
you can use the deserialize_privkey  function in electrum's bitcoin.py to test these. here's an example:

https://pastebin.com/AcEnZpFg
859  Bitcoin / Bitcoin Technical Support / Re: how i find from my bitcoin address the bip32 root key? on: November 03, 2018, 04:02:10 PM
what software did you use to create your wallet?
860  Bitcoin / Electrum / Re: Why am I receiving a negative? - electrum on: November 03, 2018, 03:56:53 PM
@tutanxy yes but create a new thread for any further questions
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