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4501  Bitcoin / Bitcoin Technical Support / Re: What is the difference between Segwit? Native Segwit? Legacy? Which one better? on: April 05, 2019, 09:52:42 PM
Ah I'm on about sending to, you're on about sending from.

A lot of sites still don't support native segwit. They've built brand new websites in that time some of them too and still don't accept it... But yes bad form validation also needs to be blamed.
No... I'm talking about sending to and it really has nothing to do with full nodes... it is simply bad programming on the part of the sites.

Example: Site/Wallet asks you to put your withdrawal address in or the address you want to send to... you enter a bc1 address it says "invalid address"... that is most likely a pure validation issue. Users are then like "Why cannot I send from <InsertBrokenSiteOrWalletHere> to my "bc1" address?"... and this ends up causing confusion and the incorrect belief that you can only send to certain types of addresses from specific address types.

It's probably more correct to say that you can only send to certain address types from some specific wallets/sites... but that's not an issue with Bitcoin, that's because those specific wallets/sites are "broken".
4502  Bitcoin / Bitcoin Technical Support / Re: What is the difference between Segwit? Native Segwit? Legacy? Which one better? on: April 05, 2019, 11:57:00 AM
The only time transactions don't work is when exchanges or wallets done host from full nodes.
I doubt that is true... it more likely a result of "broken" programming that is doing address validation based purely on Base58 P2PKH and P2SH address formats... that is to say... "1" or "3"-type addresses.

The fallacy that "you can't send from X-type address to Y-type address" came about because certain (popular) websites just don't (or didn't) recognise bech32 addresses (aka "bc1") as being "valid" address types. It has nothing to do with whether or not they're running full nodes.

For instance, you can have v0.17.1 of Bitcoin Core running in the backend, but if your frontend UI is not setup to accept "bech32" as a valid address... then it's still not going to let you send to a bc1 address Tongue
4503  Bitcoin / Electrum / Re: Install Electrum 3.2.x in Centos 7 on: April 05, 2019, 11:37:12 AM
Can you explain exactly WHY you want/need to have version 3.2.x?

If the AppImage for the latest version (with the patches for known bugs/vulnerabilities works), why do you want to install an older version? Huh
4504  Bitcoin / Electrum / Re: How many confirmed bitcoin forks are there? on: April 05, 2019, 11:35:02 AM
"Confirmed" probably isn't the right word... there have been a lot of forks, some "successful", some "failures", some were just outright scams.

To my knowledge... the list of "surviving" forks would be whatever is showing in the top 100 on coinmarketcap:
Bitcoin Cash
Bitcoin SV
Bitcoin Gold
Bitcoin Diamond

Anything else is likely trash, failed or simply a scam... and even two (all?) of this list are relatively worthless Tongue
4505  Bitcoin / Electrum / Re: Beware of electrum. !!! Stilling founds ? on: April 05, 2019, 11:21:08 AM
my problem is that i have dowloaded MALWARE the UPGRADE from official site.

.Krypt1k86 commented on Feb 13
Thanks! I'll check out that issue.
The customer was using 3.3.3.
He received a message in-app to update to 3.3.4 due to a vulnerability after trying to send a transaction.
clicked on the in-app link that was in the pop-up message.
After the upgrade from the in-app link to 3.3.4 (malicious software), although the funds were now swept, the wallet displayed as if the funds were still there and gave a message stating "Too high fee".

this describe my situation best ...!!!
What you have described IS the phising attack... Despite the "upgrade" link showing up in Electrum, it was a "fake" message from the thief, pointing to a fake version of Electrum that was NOT hosted on electrum.org. So, you have indeed installed a fake version of Electrum which has sent all your funds to the thief.

Unfortunately, those funds are not recoverable. Undecided
4506  Bitcoin / Electrum / Re: Electrum Brain Wallet ? on: April 05, 2019, 11:16:12 AM
hardware wallet has seeds too, also i don't want someone to put a knife on my neck and ask me to open my hardware wallet !! 
That's why hardware wallets allow the use of "Plausible Deniability" and allow you to add a "passphrase" to your 12/24 words... You can create a "dummy" wallet with some spare change using the words... and your REAL wallet is hidden by the passphrase. If someone puts a knife to your neck, give them the seed, they get spare change only Wink

Refer:
https://support.ledger.com/hc/en-us/articles/115005214529-Advanced-passphrase-security
https://blog.trezor.io/passphrase-the-ultimate-protection-for-your-accounts-3a311990925b
4507  Bitcoin / Electrum / Re: Trouble with upgrading electrum wallet on: April 05, 2019, 11:11:37 AM
Your best option is to download the "AppImage" listed in the "Linux" section of the Electrum.org download page: https://electrum.org/#download

That AppImage includes all the necessary versions of the required libraries and should work without you needing to worry about trying to update Python etc.

4508  Bitcoin / Mycelium / Re: having real problems with mycelium app on: April 05, 2019, 11:06:39 AM
.... and it refreshed the transaction and they now say confirmed in block...
If it says "Confirmed" and has a block number... then chances are good that the transaction has been included in the blockchain successfully.

This would then mean one of two things:

1. You sent it to the wrong address
2. Arbistar has not credited your account properly for whatever reason

If you can post your TransactionID(s) here, it will make it easier for us to assist, specifically, it will enable us to determine whether or not the transactions actually have confirmed, and if confirmed, exactly which addresses coins were sent to.
4509  Bitcoin / Hardware wallets / Re: how to generate seed offline using trezor on: April 05, 2019, 10:57:35 AM
also, you can generate seed with electrum offline, when you got seed, open your trezor and click already seed and put seed you got.
That will not work. Electrum generated seeds are NOT BIP39 compliant... and are incompatible with a Trezor Device.

You can however used a Trezor generated seed on Electrum as it will allow you to import a BIP39 seed.
4510  Bitcoin / Hardware wallets / Re: I thought Trezor's were suppose to be secure? on: April 05, 2019, 10:36:27 AM
Here is the process I have been doing to try to recover my wallet

1 - Wipe the device
2-  Go to trezor.io/start
3- Click on recover wallet
4- Click on 24 words
up to this point I have no errors so I am doing this correctly... I think
Yes, that is the standard recovery method using your 24 words..


Quote
Here is where I need help with, on step #5 below. I used a passphrase and a pin number to encrypt my account when I originally set up my Trezor wallet. I know what the passphrase is, I am sure. It appears here might be the issue because from what I read on line even if I am successful in entering the 24 words for the recovery if I do not use the correct passphrase that I configured with the wallet I will be just creating new wallets each time and will not recover my original wallet with my cryptocurrency.
That is correct... when you use the "passphrase" functionality, you are effectively adding a "25th word"... this "extra word" results in the wallet generating a completely different seed, from which it will logically generate a complete different set of private keys and addresses (ie. a different wallet).

Note:  It could actually be a sentence or multiple words rather than a single word... "25th word" is just used for convenience.


Quote
5- Click on "I used passphrase before" click no this only if.....

My questions to you is:
1) If I configured a passphrase when I originally setup my wallet as I go through the recovery of my wallet on step #5 do I click on "I used a passphrase before"?
Yes


Quote
2) If I enter in the wrong passphrase does it just keep creating a new wallet each time?
Your 24 words + passphraseA = WalletA
Your 24 words + passphraseB = WalletB
...
Your 24 words + passphraseX = WalletX

So, if you enter the same "wrong passphrase"... you will generate the same "wrong wallet"


Quote
3) Why in this process if I enter in the wrong passphrase does it not just say wrong passphrase and the process does not let me create a new wallet?
ANY passphrase used will generate a valid seed and therefore a valid wallet... it might not be the wallet you want, but it will be valid. Therefore, there is simply no way that any wallet software would be able to determine if your passphrase is wrong.


Quote
4) If I have the original transfer information from the Exchange I purchased the Cryptocurrency and then transferred it from. Is there a a manual way to recover the Cryptocurrency? For example I have the Date/Amount/TXID:/Address:
Using that information alone, the answer is NO. The only way to recovery that cryptocurrency, is to have the appropriate private keys... the only way to get those private keys is to restore your Trezor.

Using some of that information (ie. the address in your Trezor that you sent the funds to) + your 24 words + What you believe your passphrase is + LOTS of time... you might be able to discover what your passphrase was using some "brute force" methods using tools like "btcrecover"... However, it isn't very likely unless your passphrase is VERY simplistic (ie. less than 8 characters and only numbers/letters)... Anything longer or more complicated than that, and your chances of recovery go from very very very small to nonexistent Undecided
4511  Bitcoin / Bitcoin Technical Support / Re: Beginner here with unconfirmed transaction. Please help on: April 05, 2019, 10:25:27 AM
In case you ever want to do a cpfp with bitcoin core qt the next time you run into problems:
*warning*: I don't use the QT wallet, and i don't wanted to stop my daemon, so i used an altcoin wallet for this semi-walktrough... I hope their QT gui layout is the same as bitcoin core's. I also didn't have any unspent outputs i could work with...
That seems to be a fairly accurate representation of how Bitcoin Core is currently setup... and should work.

Obviously, the tricky part is calculating the correct fee Wink You really want to make sure you calculate it properly. If you're very desperate and you need a fast confirmation, overestimating is definitely better than underestimating... otherwise you might end up with TWO unconfirmed transactions left hanging! Shocked
4512  Bitcoin / Electrum / Re: Claiming Bitcoin Cash and Gold On New Computer and Nano Ledger S? on: April 05, 2019, 10:15:22 AM
HCP says electrumG is recommended by many others and he hasn't heard anything negative about it but he never used it so he isn't going to say he endorses it.
I said nothing of the sort... Roll Eyes


HCP, I have bitcoin cash in my nano ledger s.  So this is bitcoin cash abc right?  Thus if i could send the bitcoin cash to binance if i like and it would be to the bitcoin abc address on binance?  Or does it need to be split?
I just thought of this right now.  And how does one split it if i have to?  Or is this bitcoincash ... well bitcoin cash?
Bitcoin Cash = BCH

When the fork happened, you had Bitcoin Cash "ABC" and Bitcoin Cash "SV" both vying to be the "True" Bitcoin Cash... As far as I can tell, ABC won... so, BCH == "Bitcoin Cash ABC"... Bitcoin SV generally has a completely different "ticker" on the exchanges.

If you have BCH on your ledger, then it is going to be "ABC"... send it to "Bitcoin Cash ABC" on Binance
4513  Bitcoin / Bitcoin Technical Support / Re: pywallet recovery help on: April 03, 2019, 10:56:58 PM
Could this just be an OS issue? I'm running Debian. Python version is 2.7
No... I'd say that it is most likely because you have an "upgraded" wallet.dat file that has new data fields in it. Pywallet hasn't been updated in a long time... and it doesn't play nicely with the newer wallet.dat format.

I posted a quick "workaround/hack" for it here: https://bitcointalk.org/index.php?topic=34028.msg30435668#msg30435668

Basically, it just ignores the new (irrelevant) data fields and should continue on it's merry way and dump the file contents.

4514  Bitcoin / Electrum / Re: electrum 3.3.4 problem in sychorinzing on: April 03, 2019, 10:49:27 PM
we are 37000 address and its for our website user,
37,000 addresses??!? Shocked Shocked Shocked

I think that is most likely the reason for your "syncing" issue right there... I'm not sure Electrum was ever really designed for that sort of workload! Undecided

Having to try and sync that many addresses is likely overwhelming whatever server(s) you are connecting to.  I'm not sure any amount of switching servers is going to resolve your syncing issue. It sounds like your use-case might benefit from running your own full node using Bitcoin Core... it is likely to be better at handling such a massive number of addresses/keys.

You might want to consider setting up Bitcoin Core, importing all your private keys from the Electrum wallet... and let Bitcoin Core do it's thing...
4515  Bitcoin / Bitcoin Technical Support / Re: Newbie needing some help please on: April 03, 2019, 10:34:46 PM
I’m using coinb in as my wallet now but I’ve realised it doesn’t auto set the right fee Sad should of stuck with electrum Sad
I’ve looked everywhere possible on coinb in for RBF but I can’t find it anywhere (RBF is checked on login)?
I believe that while it marks the transactions as RBF by default... the "wallet" component of Coinb.in doesn't offer a way to actually use RBF... instead, I believe you would need to create the RBF transaction yourself...


Quote
Would it be possible to deposit more bitcoins to my wallet to try CPFP?
That *should* work... but I'm not sure if the coinb.in wallet itself supports coin control and being able to specify exactly which outputs to spend. You'd probably need to use the "New -> Transaction" functionality of the website and manually craft the transaction, specifying exact inputs, outputs and fees etc.

4516  Other / Beginners & Help / Re: It's smerit(sendable merit) not kmerit(keepable merit) on: April 03, 2019, 10:08:45 PM
Correct me if am wrong I don't think smerit where attached to air dropped merit
While it wasn't directly related to the amount of air dropped merit (ie. it wasn't on a 1:2 ratio like sMerit currently is for earned merit)... sMerit was handed out at the same time as merit was originally air dropped.

I believe I received 500 merit (as I was a Hero member at the time)... and received 100 sMerit from memory. The maths seems to sort of back that up.

Has given 373 merit 270 times, to 152 profiles ( 2.5 merit/profile)
Has received 784 merit 462 times, from 136 profiles
Has at least 19 sMerit available
(note: not entirely accurate stats as BPIP isn't 100% "live" data)

So, I should have had in total (784/2) sMerit = 392... given away 373 merit... difference of 19... but I actually have over 100 sMerit left.

Despite having 100+, I don't consider myself to be hoarding it (I have given 373 to 152 different users after all), it's just I rarely find posts that I think are "worthy"... despite actively reading through B&H etc looking for posts to merit... and I seem to accumulate at about the rate that I give it away Tongue
4517  Other / Beginners & Help / Re: KYC is now required! In order to continue using the forum why this KYC ? on: April 03, 2019, 09:52:07 PM
I wonder how many of the peoples proofed themselves to be a fool on Aprils Fools' Day.
I'm referring to those who submitted their actual photo here and filled the KYC form instead of inquiring in the first place.

Theymos updated the thread with the details... 2541 people submitted the form but it is possible that not all of them were fools. I suspect that several were probably filled out with "joke" information... much like the selfie thread, there are a lot of people who realised it was a joke and responded accordingly.
April fools!

2541 people submitted the KYC form, but the actual data entered into the form was never even sent to bitcointalk.org, much less collected. So if you actually entered any sensitive info there, you should feel a bit silly, but don't worry about it. (Probably some people left funny comments, but regrettably these were not collected.)

The verification flairs were random.

Thanks to Mr. Big, hilariousandco, malevolent, Halab, Mitchell, and Xal0lex for contributing ideas related to this, and to everyone else for having fun with it!
4518  Bitcoin / Electrum / Re: How do I upgrade Electrum to the latest version? on: April 03, 2019, 09:34:57 PM
... I ran the appimage and it executed correctly but I was unable to find a menu item to run Electrum.
If the appimage works, then do as Abdussamad suggested and simply continue to use that... It will save you a lot of time and mucking around trying to troubleshoot dependencies.

Now it seems that your issue is simply that you don't have a menu item for launching Electrum... or, more correctly, the menu item you do have doesn't work... Again, Abdussamad's suggestion is the one to follow. Uninstall the non-working Electrum... and then create a new shortcut for the AppImage.
4519  Bitcoin / Electrum / Re: Cant find seed (2fa) and i have to update, help! (ELECTRUM) on: April 03, 2019, 09:15:49 PM
The problem is that on my balance it says "Synchronizing..." and i found out that this may be because i havent updated. And to update i need to download over again, which means i would need my seeds to recover my account, in my understanding. I cant remember writing down this seed anywhere when i created my wallet, and its greyed out in "Wallet" section. So how would this work when updating Electrum? How can i make sure i wont lose my account and $$? Can i use something else than seed to do this?
You shouldn't need your seed to simply update the application... when you update Electrum, it will not overwrite your old wallet file. I'd still recommend that you make a backup copy of your wallet file ("File -> Save Copy" within Electrum), just in case... then simply install the update. You should find that your wallet opens normally and you can continue.

Also, given that you have lost the seed, you should make a completely new wallet and move those coins ASAP. Without the seed, recovery of a 2FA wallet in case of total wallet file loss is impossible.


Quote
I heard something about Private Keys, which i have the option to Export. Will this be my alternative to seed? Can i use this to get to my wallet when i download latest Electrum?
You can't use that method with a 2FA wallet... an Electrum 2FA wallet is a 2-of-3 multisig... you only have one key stored in the wallet, TrustedCoin have another... the 3rd is "stored" in your backup seed (which you don't have).
4520  Bitcoin / Bitcoin Technical Support / Re: Newbie needing some help please on: April 03, 2019, 09:02:51 PM
Here is a link to the transaction: https://www.blockchain.com/btc/tx/d961cac7aa56c53ac73d7e30ca6eda2a3e318e07786f497504da1728dbec8191

Here is your raw transaction hex:
Code:
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

Simply rebroadcasting it won't result in it being confirmed any faster... your options are:

1. Wait (tough, but it's what a lot of folks are looking at given the current network load Undecided)
2. Try "Replace-By-Fee" (aka RBF)... not clear if you were sending from Electrum to Coinb.in... or you have started using Coinb.in as your wallet? Huh
3. Try a "Child Pays For Parent" (aka CPFP)


#1 requires the least amount of effort... greatest amount of patience...
#2 requires that your wallet supports it... and the transaction was marked as RBF... looking at the decode, it is... "opt_in_rbf": true, but unfortunately... I suspect the "change" output is only 0.00000721 BTC which means that you will not raise the fee in any meaningful way (maybe +1 sat/vbyte at best) Sad
#3 requires that you are able to spend either of the two outputs created in this transaction... and then create a transaction that spends the output with a HUGE fee... you'll want to make sure the fee will be big enough that the average fee across both transactions ends up being like 120+ sats/vbyte at current fee levels
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