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News: Latest Bitcoin Core release: 27.0 [Torrent]
 
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81  Bitcoin / Hardware wallets / Re: Show off your hardware wallet on: January 22, 2022, 06:43:31 AM
Apologies for not replying sooner... work+real life etc etc

- I don't really use the BitHD Razor due to the somewhat annoying custom cable adapter (it's too thin for a standard USB port) and having to use Bitpie wallet app. Undecided

Thick? It doesn't fit into a standard USB port? What kind of cable does the BitHD Razor use and how do you overcome this hurdle?
No, I meant the wallet itself is too thin to contain a standard USB port (and by "standard" I meant microUSB or USB-C)

The device really is quite thin:



It uses an adapter called the "blade", which you plug a MicroUSB cable into... it's just a bit fiddly and annoying.





If you had to do a head2head comparison between the Trezor One and the Nano S, which one would come on top after all these years of usage, but also looking their features and those elements that are important for you personally?
Good question... I would probably side with the Nano S, only because of the security flaw in the Trezor which absolutely requires that you use the passphrase functionality. But it's still very very close, like 51% Ledger S, 49% Trezor One... they really are very similar in performance and features.

I'm liking the new native Trezor Suite though.
82  Bitcoin / Development & Technical Discussion / Re: Is it possible to convert a Bitcoin Core seed into human-readable format? on: January 22, 2022, 06:22:04 AM
The hdseed in a wallet.dat can be extracted in WIF, which is easily convertible to hex, which is easily convertible to binary... which is easily converted into a BIP39 seed. Can't say that I would recommend this as a way to back up your wallet though.

Additionally, the issue with this method of only storing the "seed", is that Bitcoin Core allows you to import private keys which are not covered by the seed... so there is potential for the user to import a private key, and then attempt to recover only to find that the private key is missing. This is why Bitcoin Core recommends that the entire wallet.dat file is backed up.

It is also the reason that Electrum explicitly refuses to allow importing of individual private keys into seed-based wallets, to prevent a scenario where a user believes all their funds are covered by the seed, when in fact they are not.


How do you store wallet.dat files in a safe way in all possible scenarios? Including:
Are you related to jerry0??!? Tongue  Roll Eyes  Grin
83  Bitcoin / Bitcoin Technical Support / Re: Bitcoin Core 22.0 walletrbf=1 in bitcoin.conf is ignored on: January 22, 2022, 06:05:48 AM
Maybe something like "was-yes/was-no" for confirmed transactions is better?
It's not very useful though. A confirmed transaction is confirmed, so it makes zero difference at that point whether it was replaceable... as once it is confirmed, it can't be replaced.

I can't really think of a useful purpose for a "was-yes/was-no" indicator outside of possibly testing that the flag was being set correctly... but it should be easy enough to simply generate a transaction and not broadcast it to see if the flag is being set as intended.
84  Bitcoin / Bitcoin Technical Support / Re: Core 22.0 Upgrade Leads to Zero Balance on: January 22, 2022, 05:24:25 AM
... though I'm more inclined to think that the balance that you saw might've been outdated.
This.

If the wallet has loaded "OK" (ie. Bitcoin Core didn't output any obvious errors with the wallet being corrupt) and there are transactions displayed, then I would also guess that the previous balance that was shown was either outdated, or there have been transactions since the last time the wallet was used.

Either way, I would expect that the current balance showing now with the wallet file fully synchronized is correct.


I would also suggest that the OP should run an audit on all the displayed transactions and make sure they tally up with what they expect... hopefully it is just a case of a forgotten transaction, and not loss of funds due to the wallet being compromised.
85  Bitcoin / Bitcoin Technical Support / Re: Node is slowing down syncing on: January 22, 2022, 05:06:54 AM
...
It is showing 2 weeks and it has taken a whole week to get where it is.
...
Can you take a screenshot of the sync screen. I would like to check exactly where this "2 weeks" is quoted... that is to say, is it "2 weeks behind" or is the ETA showing 2 weeks?


Generally speaking tho, as others have mentioned... actual internet download speed is not usually the main determinant of sync speed. It is generally hardware related (disk speed, amount of RAM, Processing power etc)
86  Bitcoin / Bitcoin Technical Support / Re: Brute force BTCrecovery only use a char once how to ? on: January 22, 2022, 05:02:05 AM
If it's just for experience and test, I'd recommend you to use a wallet with known weak password instead
+1 on this advice... it'll help provide confidence that your setup is working as intended.

I would also recommend trying the --listpass option that just generates a list of password candidates. This way you can quickly double check to see that it is actually constructing password candidates in the format you expect it to.
87  Bitcoin / Bitcoin Technical Support / Re: Brute force a wallet.dat with a partially known password on: January 22, 2022, 04:57:33 AM
Hi , as the title says it , the password consists of 11 characters 7 known and 5 unknown ( positions of unknown characters are not 100% known )
When you say "the position of unknown characters are not 100% known"... do you mean that some are known and some aren't? or that their positions are completely unknown?


the password also has two special characters one known and one unknown ( mistyped most likely )
Are these 2 special characters included in the 11 characters? or are they in addition to them?


In either case, I would tend to concur with ETFbitcoin that btcrecover is a very good option. It gives you quite a lot of flexibility in defining the "structure" of a password, and how to construct password candidates from wildcards etc.
88  Bitcoin / Bitcoin Technical Support / Re: Brute force BTCrecovery only use a char once how to ? on: January 22, 2022, 04:35:44 AM
Makes me wounder if someone has posted a walking pattern.txt keyboard dictionary like you know a dictionary of keyboard most common patterns. hum... i'll google that. 
Honestly not sure there is such a thing as a dictionary of "common patterns"... I had never really even considered it until I started digging into the keyboard walking while reading this thread. Although, given human nature, it would not surprise me in the least that someone has thought of things like this:
- Characters in a single keyboard row
- Characters in a single keyboard row, backwards
- Alternating characters from 2 rows
- Alternating characters from 2 rows, backwards
etc etc.

I'm just not sure anyone will have actually created/published these maps. Do let us know if you find anything!
89  Bitcoin / Bitcoin Technical Support / Re: Brute Forcing wallet.dat with BTCRecover need help on: January 22, 2022, 04:30:08 AM
That work perfect Now, can I make it like this Example: 1234password4321
Unfortunately, it doesn't look like the code supports having multiple backreferences in a row... Logically, something like this should work:
Code:
%4cpassword%;9b%;10b%;11b%;12b

which should generate the 4 characters at the front... then copy them to the end in reverse order... for example:
Code:
ab2cpasswordc2ba
1234password4321
...;

Unfortunately, it seems that the tokens parser is prioritising the ";filename;" parsing... and treating ;9b%; as a filename for a keyboard walking map pattern and spits out an IOError Undecided
Code:
IOError: [Errno 2] No such file or directory: '9b%'


I'm not sure of a workaround for this, that doesn't involve a massive pre-generated token file that has the 4 characters matched with their reverse 4 characters etc.
90  Bitcoin / Bitcoin Technical Support / Re: Brute force BTCrecovery only use a char once how to ? on: January 22, 2022, 03:44:26 AM
i've manage to get the code running for the test i'll paste it below but it will be too long to brute force it like in years, so i'll have to go the pattern method " %a%3,5;pattern.txt;b "
...
can someone explain me the pattern.txt and how to make it work please ?

i get the %a the %3,5;  but  "  ;pattern.txt;b " do i put that also in btcrecover-tokens-auto.txt

like i'm not sure where i should write this and how to proceed
You need to create a pattern.txt file that maps how the keyboard "walking" goes. In the example provided, they say that the typist only moves up-right, or down-right (note that this is not the only pattern that can be defined)... which results in a pattern.txt that looks like this:
Code:
q 2a
a wz
z s
2 w
w 3s
...

Starting from "q" the only keys (up-right or down-right) on a standard qwerty keyboard are "2" or "a" (red arrows below)... from "a" you have "w" or "z" (blue arrows)... from "z" you only have "s" (orange arrow) etc.

Hopefully this pic explains that a little more clearly:



so given:
Code:
%a%3,5;pattern.txt;b

What it is doing is selecting "a single ASCII lowercase letter"... the %a... this is then followed by selecting an additional 3-5 characters ( the %3,5)... which are defined by following the instructions in ";pattern.txt;"

The "b" at the end is the backreference, which instructs the program to place the characters derived from pattern.txt into the (%3,5) part.

So, if the program starts with "a" as the first "%a" character, it would then look in the pattern.txt and find that "a" is followed by "w" or "z"... so:
Code:
aw..
az..

"w" is followed by "3" or "s"... "z" is followed by "s"... so that leads to:
Code:
aw3.
aws.
azs.

"3" can be followed by "e"... "s" can be followed by "e" or "x":
Code:
aw3e
awse
awsx
azse
azsx
....

And that is how it will start to build up the list of possible passwords. Hopefully that makes things a little bit clearer as to how the keyboard walking works.




In any case, you need to create the pattern.txt file to match the pattern that you think you may have used when creating your password.
91  Bitcoin / Armory / Re: Armory Setup on: December 06, 2021, 06:06:43 AM
Well... firstly, thanks for posting all the updates, so we could see what you got up to.

It seems you have managed to get everything up and running, so a good result... but to answer this specific question from earlier:
On one post I was reading "Then restart Bitcoin Core. Then restart Armory." (posted by HCP). Now I'm confused... do I have to run Bitcoin Core every time before I start Armory? Isn't Armory supposed to run Bitcoin Core?
No, you don't necessarily need to run Bitcoin Core every time before you start Armory, it is possible to configure Armory to launch Bitcoin Core in the background... I have just found that letting Armory run Bitcoin Core in the background (it launches bitcoind) has the potential to cause issues because you can't "see" what Bitcoin Core is actually doing and whether it is actually running properly unless you're familiar with bitcoind/bitcoin-cli and the various commands required to see what it is doing.


Personally, I have Bitcoin Core (the actual GUI application, not bitcoind) running pretty much 24/7 anyway... when I want to use Armory, I just start it up and it uses the already running Bitcoin Core instance without problem. In the several years I have been using Armory, I have just always found it to be much more reliable to run Bitcoin Core manually, let it fully sync up, then launch Armory.
92  Bitcoin / Hardware wallets / Re: Show off your hardware wallet on: December 06, 2021, 05:50:07 AM
Many of us here use different hardware wallets, so I thought it might be interesting to know what everyone has and why. We could display our devices here, comment on their built quality, and check the conditions they are in.
...
Show us what you are using!
Nice try Mr. Hacker/IRS/FBI/CIA/NSA/<insert bad person trying to steal my precious!>!!?!







Seriously tho, I have a Ledger Nano S, Trezor ONE and a BitHD Razor (that I got sent as a review unit):


NOTES:
- Trezor ONE and Nano S both purchased around the same time (mid 2017).
- I vaguely remember that I ordered the Nano S first, but there were manufacturing/shipping delays at the time, so I ordered the Trezor ONE because I really wanted a HW wallet. They were then delivered only 2 days apart!  Roll Eyes
- The Trezor ONE looks filthy because it still has the factory fitted plastic protective film on it (what y'all seem to be calling a "foil").
- I once "bricked" my Nano S back in the old days of the firmware and bootloader updates... frantic plugging/unplugging while holding various buttons eventually got it back (after a very panicky 20-30mins) to the point I could re-flash the firmware I was attempting to load and it has worked pretty much flawlessly since.
- My Trezor and Nano S have been on international holidays Wink
- I don't really use the BitHD Razor due to the somewhat annoying custom cable adapter (it's too thin for a standard USB port) and having to use Bitpie wallet app. Undecided


If I were forced to choose a new hardware wallet today... I'd probably pick the coldcard. Not sure why... it just looks like it would fit all my requirements.
93  Bitcoin / Hardware wallets / Re: Trezor one not supporting EIP 1559 ? on: December 06, 2021, 05:22:26 AM
According to prusnak[4] this update should come somewhere middle of December, so unless I understood something wrong, you just have to wait a few more days for that update OP.
Or... if you're in a super hurry, it looks like it has also been ported to Metamask: https://github.com/MetaMask/metamask-extension/pull/12935

You'd just have to compile and run the "RC" Tongue Shocked


Or hope that they release Metamask version 10.8.0 soon™
94  Bitcoin / Hardware wallets / Re: Ledger Firmware Update? on: December 06, 2021, 05:15:34 AM
I took a look on reddit and someone says they could only have a total of one app right now after this update?
People say a lot of things on reddit... yes, the device is space limited, this is not new information... but the largest app is Cardano (ADA) at 86kb... so, if you had that installed, you'd be quite limited as to what else you could put on, as you'd only have 52kb of space left... certainly not enough for BTC, but you could put ETH on at (48kb) or any number of the other apps that are 52kb or less.

It really comes down to what apps you're attempting to load as to "how many" (as it has for about the last 4 years)... in any case, you can freely uninstall and reinstall as you like... yes, it's annoying, no it's not the end of the world.



I think by the time I realised there was a firmware update and/or it rolled out to my region/account... I had missed the whole Fido U2F issues... it was already there in the list of apps when I went to do my update, as I remember being confused as to why people were complaining that it was missing. Tongue
95  Other / Beginners & Help / Re: how long will bitcoin send transaction take on: December 06, 2021, 05:04:45 AM
You can also check this out: https://txfee.org/ the tool developed by @cajancharles which is also kind of accurate and simple to to find the fee required and estimated time for BTC and also you can have BSV,BCH and ETH fee calculator as well by toggling the tab in the upper right corner.
The suggested fees might be OK, but they need to update their whatever API they were using for the price of BTC... it is just a tad bit out of date:



vs. coinmarketcap:

96  Bitcoin / Bitcoin Technical Support / Re: Update Bitcoin Core on: December 06, 2021, 04:54:30 AM
How do i install bitcoin core update without losing my bitcoins ?
Like 99,999 times out of 100,000... simply installing the new version of Bitcoin Core over the top of the previous version will work without causing any issues. But it can depend on your setup and which Operating System you are using... you haven't specified, so it's difficult to be 100% sure. I know with my Windows 10 setup, I just shutdown Bitcoin Core, then run the new installer.exe and then start Bitcoin Core and it all "just works" to update the node without affecting anything.


If you're at all worried, then I would definitely recommend using the "File -> Backup wallet" option... or manually backing up the wallet.dat as recommended by the users above.
97  Bitcoin / Bitcoin Technical Support / Re: Getting "Error opening block database" when opening Bitcoin Core. Please help! on: December 06, 2021, 04:50:16 AM
I've also read somewhere that it may be OK to remove only that one failing file, but more experienced people should confirm this. It could be quicker than full reindex.
That can be a bit hit and miss... sometimes it will recover "gracefully" and simply continue from the "missing" file, other times it will just freak out and start downloading and syncing from the genesis block again. I've never quite been able to figure out exactly why, and haven't tried it recently so it may not currently be an issue... but I've certainly had it do both in the past. Undecided

98  Bitcoin / Bitcoin Technical Support / Re: I lost my bitcoin on: December 06, 2021, 04:43:19 AM
Tell me where to file my claim
or claim link
or the claim center
You're about 10 years too late... according to this story, the claim form was here: https://www.mybitcoin.com/claim.php but that no longer exists.

And if you never had a mybitcoin.com account... and it was just used by someone who stole your money, then you wouldn't be eligible to any of it anyway.

I still don't quite get how you don't understand (or simply refuse to accept) that you were conned out of $56 and it's gone. Huh


Where did the money from those who bought on this platform go?
Have you evaporated into the air?
Pretty much yes... it would have been spent on "hookers and blackjack"... like most money that gets stolen and subsequently spent, it's unrecoverable... like your $56.
99  Bitcoin / Armory / Re: Armory hangs on "Organizing Blockchain" (>12h). Grateful for any help. on: December 06, 2021, 04:35:57 AM
cobbler7: I have run bitcoind and bitcoin-qt manually maybe 20+ times, then launched Armory.
No luck, it always hangs. I am sure at least a half dozen times, blockchain was current state before
I launched Armory. I don't know why Armory should be 100k blocks behind.
Armory isn't 100k blocks behind... your bitcoind database is.

Quote
-INFO  - 21:24:04: (DatabaseBuilder.cpp:199) Reading headers from db
-INFO  - 21:24:07: (DatabaseBuilder.cpp:238) Found 626760 headers in db
...
-INFO  - 22:25:42: (DatabaseBuilder.cpp:134) scanning new blocks from #626760 to #626759
...
ArmoryDB reads your bitcoin block files directly... and these lines of debug from ArmoryDB show that ArmoryDB is only able to see 626760 blocks in your bitcoin block files.


If you're not running Bitcoin Core GUI, you might want to find the bitcoin "debug.log" file... and check in that to make sure that bitcoind is actually syncing properly... you should see "update tip" messages in debug.log if it is.... like this:
Code:
2021-12-06T04:20:24Z UpdateTip: new best=0000000000000000000652aa2bba5c40f43773386194967dc580446abbbd0be7 height=712815 version=0x20000004 log2_work=93.212644 tx=692645130 date='2021-12-06T04:20:16Z' progress=1.000000 cache=40.9MiB(219006txo)
2021-12-06T04:31:36Z UpdateTip: new best=000000000000000000011188e2434af142c05a91fdea0694e24631ea6a485fcc height=712816 version=0x3fffc004 log2_work=93.212656 tx=692646350 date='2021-12-06T04:31:25Z' progress=1.000000 cache=41.5MiB(223496txo)

Otherwise, it might also show errors as to why it isn't syncing properly.
100  Bitcoin / Electrum / Re: BTC stuck in Electrum multi-sig (will pay $1k reward) on: December 06, 2021, 04:18:24 AM
Unfortunately don't see any balance when I do this
(when I create a new Electrum 2/3 multi-sig using my Electrum seed phrase and public keys from hardware wallets, I see my coins though)
So creating a 2-of-3 Multisig using "Seed" + hardware device + hardware device == incorrect wallet... but 2-of-3 Multisig using "seed" + "master public key" + "master public key" does work? If so, then it very much sounds like a "derivation" path and/or "Script Type" issue.

Having said that, it depends on how you try and set up the wallet as to what options Electrum will give you. If you put the "seed" in first, it should automatically detect if it is a "legacy" seed, or if it is a native segwit seed etc... and only prompt for derivation path:

"Legacy" seed used:



"Native Segwit" seed used:



If however, you try and use the "hardware key" first... it will give you the full "script type" and "derivation path" prompt:



So, when you are creating the wallet... what is the "seed type" that shows when you enter it? Huh

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