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2041  Economy / Scam Accusations / Re: Scam Report Against RoyalKey on: October 06, 2020, 12:42:54 PM
Anyone is going to do something about it in thin forum which is full of scammers?
@Cyrus
Why did you trust a newbie user with no trade history without using an escrow? Huh Especially one using a self-moderated thread... it has all the hallmarks of being a scam Undecided

For what it is worth, I have tagged the user... I don't expect they'll bother fronting up to explain or deliver your keys tho, it's basically a throwaway account most likely.


Have quoted the Skype/Email from their post so hopefully anyone doing a search on it will find this scam accusation thread:
(Archived)
2042  Bitcoin / Electrum / Re: Recover BTC lost by tech error? on: October 06, 2020, 07:49:36 AM
Meanwhile presumably I have to solve the problem on the wallet I have in order to recover the BTC that was sent to it.
No. You can update immediately... and will need to do so to be able to solve your problem. So, as per pooya87's suggestion, simply update to the latest version on electrum.org and Electrum should then be able to sync correctly. You should end up with a "green dot" in the bottom right of the Electrum window and you'll be able to see your transaction(s). Wink

For further information on how to verify the digital signature of the Electrum download, refer here: https://bitcoinelectrum.com/how-to-verify-your-electrum-download/

2043  Bitcoin / Electrum / Re: Any solution to this problem - Failed to execute script run_electrum? on: October 06, 2020, 07:46:03 AM
No big reason except maybe having to restore a number of my wallets, but I will soon do that.
You shouldn't need to restore anything... if you run the installer for 4.0.3, it'll just overwrite the old version of Electrum, but it won't remove/modify any wallet files and you'll be able to see all your existing wallets without needing to do anything.

Wallets are stored in the datadir (on windows: %AppData%\Electrum)... the application binaries are stored in C:\Program Files\Electrum... It's the binaries that are modified when you update, the datadir is unchanged!
2044  Bitcoin / Bitcoin Technical Support / Re: How is this possible ? A Recent transaction suddenly becomes invalid on: October 06, 2020, 07:28:36 AM
It's pretty much the same except coin control will redirect you to the send tab and the button for "copy to clipboard" looks different but in the same spot.
I would say that the entire "send" workflow has changed... for instance, you can't select a fee until you click "Pay" which seems a little unintuitive at first... but kind of makes sense if you use the "Advanced Preview" which shows all the inputs/outputs and the estimated transaction size etc and you can see how things change depending on the fee you set etc.
2045  Bitcoin / Bitcoin Technical Support / Re: Bitcoin Core HD Wallet on: October 06, 2020, 07:24:01 AM
So should I stick with Bitcoin Core or migrate to Electrum?
I like the way to just store a small seed phrase.
What exactly do you need/want from your wallet? Huh

Is it purely the ease of a seed mnemonic backup/restore that you're looking for? Do you want to run a full node with 350gig+ storage requirements? Huh Do you want to give up some privacy by using Electrum (or other lightweight SPV wallet) and not having to store full blockchain? Huh

Maybe have a go at using the "wallet picker" here: https://bitcoin.org/en/choose-your-wallet

That might help point you in the right direction for a wallet that best suits your requirements.
2046  Bitcoin / Electrum / Re: Using Electrum via Proxy on: October 06, 2020, 07:20:16 AM
Is there a firewall of some description running on the Pi? Huh If you're not able to connect, and there is nothing showing in the "electrs" debugging that shows connection attempts, it's possible the connection is being blocked.
2047  Other / Beginners & Help / Re: Simplest way to generate a PGP key??? on: October 05, 2020, 09:22:43 AM
I can sign a message from a bitcoin address. I'm looking to try figure out how to encrypt and decrypt messages for communication.
At this point, you're kinda outside the realm of Bitcoin and cryptocurrency and more into cryptography in general... Have a read of this guide and see if it helps with regards to sending/receiving encrypted emails: https://vitux.com/how-to-use-email-encryption-in-ubuntu/

This one is more generic and is for encrypting/decrypting files: https://www.linode.com/docs/security/encryption/gpg-keys-to-send-encrypted-messages/
2048  Bitcoin / Electrum / Re: Using Electrum via Proxy on: October 05, 2020, 06:23:09 AM
That seems to indicate that the electrs "hidden service" may not be running properly due to the directory permissions... either you need to change the user, or the directory permissions for your current user.

Possibly something has gone astray during your setup and subsequent troubleshooting etc. Undecided
2049  Economy / Reputation / Re: What is the reason to give me the red trust??? on: October 05, 2020, 01:42:00 AM
I don't think I'm making a big mistake.
You are making a "big mistake"... it's called 'Plagiarism'. Roll Eyes Roll Eyes



Plain and simple, the guy is plagiarizing with text spinners... Roll Eyes Undecided

Plagiarism:
The uplifting news about searching for the best football move wagering alternatives is that the fundamental issue you are probably going to have is that there is just a mind-boggling measure of decision. We know, it is a somewhat wonderful issue to have, yet it is as yet something that necessities exploring.

That is the reason we have gathered elite of what, as we would like to think, are the eight biggest alternatives in this market. Presently, this doesn't imply that our top picks here will reliably have the best chances on the exchange market every single time. No bookmaker can make that guarantee. Paddy Power move markets, for example, could have the best Arsenal move chances and Everton move chances, however be behind contenders on move Premier League advertises somewhere else. The following exchange window could see them be best in an altogether extraordinary arrangement of models. We are stating that since one administrator excels on one of the most recent chances football move showcases, that doesn't mean they will be best for what it's worth.

Our positioning is rather founded on who we think have reliably given the best wagering experience to the football move windows, be that through player move chances, how the football move window is spoken to, advancements like chiefs specials, and how it praises everything else that is accessible on the site, to give a few instances of our models. Also, it is following that cycle we have concocted our finely tuned, deliberately made, top bookmakers for football moves.
Archived


Original:
The good news about looking for the finest football transfer betting options is that the main problem you are likely to have is that there is simply an overwhelming amount of choice. We know, it is a rather pleasant issue to have, but it is still something that needs navigating.

That is why we have compiled a list of what, in our expert opinion, are the eight greatest options in this market. Now, this does not mean that our top picks here will consistently have the best odds on the transfer market each and every time. No bookmaker can make that claim. Paddy Power transfer markets, for instance, could have the best Arsenal transfer odds and Everton transfer odds, but be behind competitors on transfer Premier League markets elsewhere. The next transfer window could see them be best in an entirely different set of examples. What we are saying is that just because one operator does well on one of the latest odds football transfer markets, that does not mean they will be best all around.

Our ranking is instead based on who we think have consistently provided the best betting experience for the football transfer windows, be that through player transfer odds, how the football transfer window is represented,  promotions like managers specials, and how it compliments everything else that is available on the site, to give some examples of our criteria. And it is following that process we have come up with our finely tuned, carefully crafted, top bookmakers for football transfers.
Archived


User has been reported.
2050  Other / Meta / Re: Report plagiarism (copy/paste) here. Mods: please give temp or permban as needed on: October 05, 2020, 01:41:18 AM
User: Amel - BANNED

Stumbled into the dumpster fire that is their request to know why they got red trust for shitposting.... A quick bit of research into their "text-spinning" found this:

Plagirism:
The uplifting news about searching for the best football move wagering alternatives is that the fundamental issue you are probably going to have is that there is just a mind-boggling measure of decision. We know, it is a somewhat wonderful issue to have, yet it is as yet something that necessities exploring.

That is the reason we have gathered elite of what, as we would like to think, are the eight biggest alternatives in this market. Presently, this doesn't imply that our top picks here will reliably have the best chances on the exchange market every single time. No bookmaker can make that guarantee. Paddy Power move markets, for example, could have the best Arsenal move chances and Everton move chances, however be behind contenders on move Premier League advertises somewhere else. The following exchange window could see them be best in an altogether extraordinary arrangement of models. We are stating that since one administrator excels on one of the most recent chances football move showcases, that doesn't mean they will be best for what it's worth.

Our positioning is rather founded on who we think have reliably given the best wagering experience to the football move windows, be that through player move chances, how the football move window is spoken to, advancements like chiefs specials, and how it praises everything else that is accessible on the site, to give a few instances of our models. Also, it is following that cycle we have concocted our finely tuned, deliberately made, top bookmakers for football moves.
Archived


Original:
The good news about looking for the finest football transfer betting options is that the main problem you are likely to have is that there is simply an overwhelming amount of choice. We know, it is a rather pleasant issue to have, but it is still something that needs navigating.

That is why we have compiled a list of what, in our expert opinion, are the eight greatest options in this market. Now, this does not mean that our top picks here will consistently have the best odds on the transfer market each and every time. No bookmaker can make that claim. Paddy Power transfer markets, for instance, could have the best Arsenal transfer odds and Everton transfer odds, but be behind competitors on transfer Premier League markets elsewhere. The next transfer window could see them be best in an entirely different set of examples. What we are saying is that just because one operator does well on one of the latest odds football transfer markets, that does not mean they will be best all around.

Our ranking is instead based on who we think have consistently provided the best betting experience for the football transfer windows, be that through player transfer odds, how the football transfer window is represented,  promotions like managers specials, and how it compliments everything else that is available on the site, to give some examples of our criteria. And it is following that process we have come up with our finely tuned, carefully crafted, top bookmakers for football transfers.
Archived

2051  Bitcoin / Bitcoin Technical Support / Re: How is this possible ? A Recent transaction suddenly becomes invalid on: October 05, 2020, 12:54:42 AM
Doesn't a transaction need to be validated by majority of nodes, so it can be added to a block?
No. Technically a transaction doesn't need to be "verified" by any nodes other than a miner that puts it into a block. Granted, a transaction with better propagation (ie. has been relayed by a larger number of nodes) is statisically more likely to be included in a block as it is more likely to have been received by mining pools etc... but it isn't technically necessary. Mining pools can insert transactions that no-one else even knows about until the block is mined.


Quote
Don't nodes usually reject such transactions?

If the transaction was marked as RBF, it didn't break any of the RBF rules.


Quote
In the case OP is talking about, majority of nodes preferred to validate the second transaction. I know that some nodes may approve the second transaction. My question is why majority of nodes approved the second transaction?
As above, it isn't because the majority of nodes "approved" it. (Note that nodes don't actually approve anything... all they do is relay transactions)... the 2nd transaction was put into a block by a miner (most likely because of the much higher fee)... at that point, assuming the transaction is actually valid, there is nothing that nodes can do.


Quote
The first transaction had been broadcast 6 minutes before the first one. So, majority of nodes likely received the first transaction before the second one. Why did majority of nodes replaced the first transaction with the second one?
That's how RBF is designed.


Quote
The scammer was very very lucky. Such transactions don't have big chance to be confirmed. Because most of nodes validate the transaction they see first. Am I right?
Not necessarily... if it was RBF, what the nodes did was perfectly acceptable from a technical point of view. They simply replaced the transaction with a new one with a higher fee. Obviously, what the scammer did is NOT acceptable from a moral point of view Undecided

2052  Bitcoin / Electrum / Re: Electrum 3.1.3 not syncing can't use newer version with Yosemite on: October 04, 2020, 11:32:19 PM
Another option you could try is setting up a "virtual machine" like virtualbox (free!) with Ubuntu or Mint or similar Linux Distro and load the latest version of Electrum into that so that you can restore your wallet using your seed and then move your funds to the Ledger.



Just download the latest version 4.0.3 from electrum.org and verify its signature. Restore your wallet from seed and you should be good to go.
After restoring the wallet you can safely send your fund to your Ledger.
Did you read the OPs post? Huh OP can't "just download the latest version"... it doesn't work on his OS, because he has an old version of MacOSX.

I have Electrum v3.1.3 not syncing and I cant download the newer version of Electrum since I use Yosemite.
2053  Bitcoin / Armory / Re: Armory Offline & Private Key Export Issues on: October 04, 2020, 11:19:07 PM
So I'm at a loss right now of how to get Armory up just enough to get my funds out. Ideas? Thanks in advance.

Running Armory: 0.96.5 beta with Bitcoin Core v0.20.1.
Are you using Windows or Linux? Huh

I've found on Windows that you need to have the following in your bitcoin.conf file:
Code:
server=1

Without that, Armory just won't be able to get "online" properly as it isn't able to communicate with Bitcoin Core properly... it'll be able to scan the block and transaction data "OK", but you won't be able to broadcast transactions (and won't receive new transactions/blocks until you shutdown and then re-open Armory so it can rescan etc).


Personally, I run Bitcoin Core GUI manually first... then start Armory with the following settings:


NOTE: I only have the "Bitcoin Home Dir" set, because I'm using a "custom" datadir with Bitcoin Core... set this as required to match your install.

With this setup, Armory is connecting to Bitcoin Core ("Connected" in green) and it receives new block data automagically as it is received by Bitcoin Core. I'm also able to create/broadcast transactions without issues.
2054  Bitcoin / Bitcoin Technical Support / Re: 1 BTC bounty for password recovery on: October 04, 2020, 10:49:01 PM
Let me know what else info should I add.
Unfortunately, this question needs to be asked... "Is it actually your wallet.dat? or is this a wallet.dat that you bought that is supposed to have XYZ BTC in it?" Huh

Please be honest, so that users don't waste time/money/resources on a fools errand, attempting to bruteforce the password to a "fake" wallet.dat. If it is actually your wallet.dat, then please provide the information requested by pooya87, as he stated, without more info, this is basically an "impossible" task. Undecided
2055  Bitcoin / Bitcoin Technical Support / Re: Bitcoin Core HD Wallet on: October 04, 2020, 10:43:08 PM
Bitcoin Core relies on backups of the wallet.dat.

Attempting to use other methods (backing up individual private keys or exporting Master Private Key etc) is likely going to cause problems down the line with either missing keys (and therefore missing funds) or just a hassle trying to restore your wallet.

While not strictly necessary, taking a regular backup of your wallet.dat is an easy way to make recovery less problematic.
2056  Bitcoin / Bitcoin Technical Support / Re: How is this possible ? A Recent transaction suddenly becomes invalid on: October 04, 2020, 10:37:42 PM
This is not rocket surgery or brain science... the simple solution to all of this is: DO NOT consider a transaction as "confirmed"... until it is actually confirmed. Roll Eyes

"zero-conf" transactions are exactly that... zero confirmations, they can potentially be altered, dropped, double spent etc... DO NOT send any goods to a buyer until the transaction has at least one confirmation.
2057  Bitcoin / Hardware wallets / Re: Best Place To Store Your Seed? on: October 04, 2020, 10:08:43 AM
For a second there... i thought you were serious... until i read more of it...
Yeah sorry... it's been a relatively long week and my sense of humour has always been a bit "dry" Wink

Anyway, my Nano S has been living in various desk drawers for going on 3+ years now... it's been taken on a couple of international holidays (ie. long haul flights), crossed various borders, been "soft-bricked" once during a bad firmware update, connected to PCs, Laptops and a couple of mobile phones, used with Ledger Chrome Apps, Electrum, MEW, MyCrypto, Ledger Live and Mycelium (and probably other wallets that I've forgotten), reset and restored several times and is still going strong.

I'm not particularly careful with it, but I also don't throw it around or "abuse" it either. Guess I just got lucky and got a solid unit. Smiley
2058  Bitcoin / Development & Technical Discussion / Re: How i can creating a Bitcoin Core wallet from a mnemonic ? on: October 03, 2020, 10:00:13 AM
The script you are using is not using a "standard" mnemonic to seed system... If we look at the script command we see:
Code:
HDSEED=$(echo $MNEMONIC | bx mnemonic-to-seed -p "$SEEDPW" | bx hd-new | bx hd-to-ec | bx ec-to-wif)

So, it takes your mnemonic, passes that to the "mnemonic-to-seed" command, passes the output of that to "hd-new", passes the output of that to "hd-to-ec" and then passes the output of that to "ec-to-wif"...

This is because Bitcoin Core uses a "WIF" private key as the input to the sethdseed command. If we then investigate what those individual "bx" (libbitcoin explorer) commands do... we find:

"mnemonic-to-seed":
Convert a mnemonic seed (BIP39) to its numeric representation.
Basically, it converts the BIP39 mnemonic to a 256bit hex number.

"hd-new":
Create a new HD (BIP32) private key from entropy.
This is creating an xprv... a Master Private Key... from the 256bits of Entropy that is encoded by the mnemonic.


"hd-to-ec"
Convert a HD (BIP32) public or private key to the equivalent EC public or private key.
This converts our xpriv... to a "standard" single private key (ie. a single bitcoin private key in hex)


Finally, "ec-to-wif":
Convert an EC private key to a WIF private key.
This essentially encodes the hex private key to WIF format, ready for use by Bitcoin Core as the "hdseed".

So, we can see that it's not just the standard system used by a normal BIP39 compatible wallet. Consequently, it might actually be quite difficult to restore a Bitcoin Core wallet generated in this way into another wallet, as while you are using a BIP39 compatible seed mnemonic to start with, it isn't used in the same way to derive the actual seed the wallet is derived from.

Further investigation is also needed to see if there are any "derivation path" differences as well.


Thank you. i will not use this script. I try use electrum with bitcoin core node and install it on my server
You cannot connect Electrum directly to a Bitcoin Core node, as Electrum has it's own messaging protocol. Instead, it requires an Electrum server of some description (ElectrumX, Electrum Personal Server, or electrs etc)

The Electrum server takes care of receiving requests from an Electrum client and forwarding those requests to a Bitcoin Core node and then returning the responses from the Bitcoin Core node back to the Electrum client.
2059  Bitcoin / Bitcoin Technical Support / Re: Found an old wallet file from 3 years ago, can't open it? on: October 03, 2020, 09:25:22 AM
When you load a "new" (maybe "different" is the better word?) wallet.dat file from what is currently "synced", Bitcoin Core needs to rescan all of the old block data, looking for transactions that relate to the "new" set of private keys/addresses that you are now providing in that "new" wallet.dat file.

If the wallet.dat was quite old, it would have needed to go back through quite a bit of blockchain history to check for transactions. In your case, based on the date in the filename, it had to rescan potentially 3+ years worth of blockchain data. It should be a "one time" thing, as long as you continue to use that particular wallet.dat file and keep your node relatively up to date and synced.

Note that "rescan" is NOT redownloading/reparsing blocks (assuming your node is not pruned)... it is just reading the data already stored on disk.

There was also potentially some wallet file "upgrade" going on as there has been some wallet file format updates in previous versions.
2060  Bitcoin / Development & Technical Discussion / Re: [User wants help cracking wallets but too stupid to ask politely] on: October 03, 2020, 09:21:43 AM
You can import them by repeatedly calling the importprivkey command via "bitcoin-cli" (or the console in Bitcoin Core GUI)... note, that to prevent it doing a very long "rescan" after every import, you need to set the rescan parameter to "false", until the last key you want to import...

Format for the importprivkey command is:
Code:
importprivkey "privkey" ( "label" rescan )


Arguments:
1. privkey    (string, required) The private key (see dumpprivkey)
2. label      (string, optional, default=current label if address exists, otherwise "") An optional label
3. rescan     (boolean, optional, default=true) Rescan the wallet for transactions

So, you'd use something like:
Code:
importprivkey "5Kb8kLf9zgWQnogidDA76MzPL6TsZZY36hWXMssSzNydYXYB9KF" "" false

Should be relatively simple to code a script which would just read a file that contains a list of private keys and execute the bitcoin-cli command for you... and then on the last one, trigger a rescan by using:
Code:
importprivkey "WIF_PRIVATE_KEY_GOES_HERE" "" true
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