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1061  Bitcoin / Hardware wallets / Re: Keystone 3 HW coming soon! on: December 27, 2023, 09:25:31 AM
But Trezor One supports few coins.
I think it supports plenty of what deserves to be supported. There is a lot of garbage that lacks support. It's too bad that you can't use Monero on the Trezor One model. If it wasn't for the hardware limitations, the team would have added it. I think it's a problem of too little RAM.
1062  Bitcoin / Hardware wallets / Re: Coldcard on: December 27, 2023, 09:11:45 AM
@DaveF
The Mk3 and Mk4 already have plenty of qualities if you are looking for an airgapped signing device. If open-source isn't a priority for you, of course.
The Q model introduces a better keyboard and QR code scanning. Those are useful features to have, but not essential.
1063  Bitcoin / Hardware wallets / Re: Is Trezor wallets safe on: December 26, 2023, 08:31:52 PM
@new19980
Ledger is a rare example of popular closed-source hardware wallets that shot itself in the foot multiple times with their dumb and counter productive business decisions.

An open-source device would have more difficulties doing something like that because its code is public and available for scrutiny. If it's a popular product, a recover feature like Ledger introduced would quickly be discovered if they attempted to introduce it in silence.

So, even though you are right that other manufacturers could do the same like Ledger, it doesn't mean they will.
1064  Bitcoin / Hardware wallets / Re: I got a new hardware wallet to store my BTC, but there is a catch. on: December 26, 2023, 07:56:05 PM
Most of the chips and electronic components come out of China nowadays. Some hardware wallets are completely produced and assembled in China, others are shipped out in parts and then assembled in the respective countries.

Passport Foundation is a company that assembles its devices in the US. I don't know about the chip production, but I am guessing it is either China or Taiwan.

Coldcard gets assembled but not produced in Canada.

Complaining about Chinese products nowadays is futile. Not wanting a product out of China, but using 90% of chips and other components out of China in other devices is pretty much the same.
1065  Bitcoin / Wallet software / Re: Should i change my BTC Wallet Address ? on: December 26, 2023, 11:03:42 AM
A P2P real life transaction? It would be perfectly legitimate in most jurisdiction and they wouldn't have a good reason to ask you to provide a concrete proof, even if that is possible.
There doesn't need to be a paper or digital trail of a P2P transaction. You met someone. The topic of Bitcoin came up. You wanted to buy some, the person agreed to sell it to you. That's where everything begins and ends. It's not illegal and and you haven't done anything wrong buying that way.
1066  Economy / Gambling / Re: [Table] Withdrawal Fees and Withdrawal Amounts on Crypto Casinos on: December 26, 2023, 10:12:54 AM
@Mahdirakib
I will check it out when I return home from my trip. I am currently writing from my phone, which makes it pretty difficult to do any checking now. I am starting to understand those who keep asking about a Bitcointalk mobile app more and more.
1067  Bitcoin / Hardware wallets / Re: Keystone 3 HW coming soon! on: December 26, 2023, 09:22:16 AM
First time I see this, but I saw many other trezor one clones.
You can easily make your own Seedsigner and Krux wallets.
They are one of the best available DIY airgapped devices available right now.
It's also possible to purchase a fully assembled Seedsigner for $80, unless the price changed recently. It's a great price for a Bitcoin signing device. The only issue for those who want an assembled unit is that they are shipped from the US. That would add quite a lot on the final price.

Not sure what to think of the Seedsigner to be honest. Its creator is an ex-US government employee. He worked in the computer forensics department.

I think the Seedsigner should still be considered as experimental software and hardware. It's created by a small team of enthusiasts.
1068  Bitcoin / Wallet software / Re: Wasabi Wallet - Open Source, Noncustodial Coinjoin Software on: December 26, 2023, 08:25:37 AM
@Wind_FURY
Exploits as in the hacked money the authorities claim went through the mixer. Have they sanctioned and traced where those funds went? It doesn't seem like it. It looks like sloppy work putting an escrow address of a signature campaign on a sanctions list and patting yourself on the shoulders, saying that you made a difference somehow.
1069  Economy / Gambling / Re: [Table] Withdrawal Fees and Withdrawal Amounts on Crypto Casinos on: December 26, 2023, 08:10:19 AM
@Peeps Place
I don't participate in smear campaigns. If a casino plays dirty, I will remove it from my collection. I have done it before. I am not incentivised by anyone for you to think otherwise. The existence of scam accusations isn't proof of a scam without valid proof.
It goes the other way around as well, if accusations are missing, maybe the affected individuals aren't here to make the accusations.

@notblox1
Yes, the sum is correct. It's been like that ever since I created this thread. It's unbelievable that they have never lowered their fees.
1070  Bitcoin / Wallet software / Re: Sweeping paper wallet on: December 25, 2023, 09:34:45 AM
There are a few phone wallets that allow you to convert private keys to seed phrases, but most do not.
You can't turn a Bitcoin private key into a seed phrase. A private key unlocks and allows you to spend coins associated with one particular address. A seed phrase is higher up in that pyramid structure and is the master key that gives you access to the coins in all addresses derived from that seed phrase. You can't use a key from a level below to magically turn it into higher-level master key.

...and if course I believe electrum wallet also offer the same services and feature.
Electrum wallet allows you to import individual private keys, but there is no "private key into seed conversion feature".

Nonetheless, keeping your seed phrase and private key apart is highly advised
There is no need to keep note and track of individual private keys in today's age. A seed phrase can derive all the private keys you would unnecessarily write down on paper.
1071  Bitcoin / Wallet software / Re: Should i change my BTC Wallet Address ? on: December 25, 2023, 09:25:11 AM
But why? You're using Electrum, which gives you a very long list of new addresses. You can label each of them, to keep track of different payments. Address reuse is bad for privacy, and makes it harder to know where a payment came from. Why would you ever use the same address for different purposes?
Perhaps he thought that keeping all his bitcoin in the same address would result in cheaper transaction fees in the future, not knowing that the number of inputs, outputs, and the script type determines the total transaction size and fees and not how many different addresses you have.

* Your address ---> new address ---> new address ---> new address ---> new address ---> exchange address
I don't think that matters for chain analysis, unless funds are joined with other inputs to create multiple outputs. And at the moment it costs a small fortune in transaction fees.
You shouldn't send the entire balance from address A to B, C, etc., But if you send only one part, blockchain analysis can't possibly know it's the same person. The coins might have changed hands 2-3 times already. If the question arises where did you get your coins from, I bought them P2P in cash from a tourist who visited my city.
1072  Bitcoin / Wallet software / Re: Unstoppable wallet {User experiences} on: December 25, 2023, 09:15:20 AM
Charles-Tim is correct. You are trying to pay transaction fees on network A using tokens that reside on Network B, and that's why it's not working. It's the same asset (ETH) but on a different chain or layer.

On exchanges and onchain transfer, the ether transaction fee on Optimism network is very cheap. So buy it should not be a problem.
Since he already has Ethereum in his Unstoppable Wallet, he should be able to use the internal swap feature to exchange the native ETH coins to the ETH tokens he needs on the Optimism layer, I assume. 
1073  Bitcoin / Bitcoin Technical Support / Re: Mnemonic words Known and target address known but order missing - Please help on: December 25, 2023, 08:53:39 AM
Thanks. I watched that "Recover Scrambled 12 Word Seeds with BTCRecover" video and and was convinced in my correctness - the set  12 known words can be unscrabled with virtually no effort even with use of machine of moderate  computational power. It took something around 50 minutes for guy to descramble BIP39 Seed phrase and even less time in the case of Electrum seed.
I am surprised it's that quick. But on the other hand, all words are known, and there is no need to bruteforce unknown words in any positions. Is it a requirement for such a quick recovery to know an address that belongs to the seed or the script type?   
1074  Bitcoin / Wallet software / Re: alternative to coinomi (android) on: December 25, 2023, 08:47:42 AM
<Snip>
OK, good to know. I wanted to mention that I remember reading that MyEtherWallet allows you to select between different derivation paths during the recovery process. So, if you have a standard 24-word Coinomi seed, there shouldn't be any difficulties getting access to your ETH tokens. But you added even more details, confirming that Ledger and Coinomi use the same derivation paths for Ethereum. Unless the seed is 18 words long, there is no need to interact with Ian Coleman's tool for Ethereum account-recovery.
1075  Economy / Gambling / Re: [Table] Withdrawal Fees and Withdrawal Amounts on Crypto Casinos on: December 25, 2023, 08:36:38 AM
Interesting. NitrogenSports does have negative feedback and they did engage in some shady shit back in the day, but they seemed to have changed quite a bit after transforming into Nitrobetting which has zero negative feedback currently.

It's understandable why they aren't on your list though I feel like they should be given a second chance thanks to their transformation. Just my 2 cents!
I appreciate the feedback. However, it's still the same brand but with a slightly different name. NitrogenSports having shady practices and renaming into Nitrobetting or having a sister casino with a different name would be like you scamming people on this forum, and then coming back calling yourself 4kpk4. You are still the same person that was involved in what you shouldn't have been in the past.

Besides, I am not sure what kind of userbase they have here. I can't remember the last time I have heard anyone say they are gambling on Nitrobetting, and I don't see recommendations for their platform among players here.   
1076  Bitcoin / Bitcoin Technical Support / Re: Mnemonic words Known and target address known but order missing - Please help on: December 24, 2023, 10:49:02 AM
Does the client know the position of any of the words of the seed phrase or does he not have any idea what goes where? It would certainly speed things up if he knew, at least, some of the words. It's good that you have the funded address. I still think that BTCrecover is the way to go here. You can take a look at this guide that concerns the recovery of seed words.

If nothing else works, you could use a trusted paid service. Dave's wallet recovery services have been around for years, and he knows what he is doing. If you and your friend can't manage yourselves, contact Dave.
 
https://bitcointalk.org/index.php?topic=240779.0
https://www.walletrecoveryservices.com/


Someone who knows much more than me about these things estimated a long time ago that it would take 200 years to bruteforce the order of a 24-word seed. Yours has 12 words, but it would still be a difficult task. And there have been advancements in computer tech since 2017. Anyways, good luck!

So, you have 24 words.

That means that you have 24 possibilities for the word in position number 1.

If you try each of those words in position number 1, that leaves 23 words to try in position number 2.

Try the first word, with each of the other 23 in the second position, then try the second word with each of the other 23 in the second position, then the third word with each of the other 23 in the second position and so on.

When you've done that, you'll have tried:24 X 23 = 552 different possibilities.

Each of those 552 possibilities will have 22 remaining words that you can try in the third position.

So that's:
552 X 22 = 12144 possible combinations of 3 out of the 24 words.
(Notice that's the same as 24 X 23 X 22 = 12144)

Then for each of those 12144 possibilities will have 21 remaining words that you can try in the third position

That's:
12144 X 21 = 255024 possible combinations of 4 out of the 24 words.
(Notice that's the same as 24 X 23 X 22  X 21= 255024)

Perhaps you can see now that as we continue, by the time you try all the 24 word combinations of 24 words, the pattern will repeat all the way to:
24 X 23 X 22 X 21 X 20 X 19 X 18 X 17 X 16 X 15 X 14 X 13 X 12 X 11 X 10 X 9 X 8 X 7 X 6 X 5 X 4 X 3 X 2 X 1 = ?
In maths that pattern is called a "factorial" and is represented as:
24!

If you do that multiplication, you'll find that the total number of combinations you'll have to try will be:
620448401733239439360000

That's about 6.2 X 1023.

Lets assume that you have enough computing power to try 100 trillion combinations per second.

620448401733239439360000 combinations / 100000000000000 combinatins per second = 6204484017 seconds.

Since there are 60 seconds in a minute, that is:
6204484017 seconds / 60 seconds per minute = 103408066 minutes.

There are 60 minutes in an hour, so:
103408066 minutes / 60 minutes per hour = 1723467 hours.

There are 24 hours in a day...
1723467 hours / 24 hours per day = 71811 days.

There are about 365.25 days per year...
71811 days / 365.25 days per year = 196.6 years.

If you actually had the ability to try 100 trillion combinations per second, then it's going to take you nearly 200 years of trying non-stop 24 hours a day to try all the combinations.

If the number of attempts you can make per second is less, then obviously it's going to take you longer than that.



The only way you are going to be able to find the right combination in your lifetime is if you already have some of the words in the right order, or if you can remember what order some of the words belong in.  Knowing for certain the position of just 1 word reduces the effort required by a factor of 24.  Knowing for certain the position of just 2 words reduces the effort by a factor of 552.

Using our "100 trillion combinations per second" example, knowing for certain the position of 1 word reduces the time required to try all possibilities from 196.6 years to:
196.6 / 24 = 8.2 years.

Knowing for certain the position of 2 words reduces the time required to try all possibilities to:
196.6 / 552 = 0.36 years (about 4.3 months)
1077  Economy / Gambling / Re: [Table] Withdrawal Fees and Withdrawal Amounts on Crypto Casinos on: December 24, 2023, 10:23:27 AM
By the way what about new crypto casinos? What are the requirements that they need to fulfil in order to get included in your list?
There are no special requirements. I don't consider new casinos for this list. They must have been around and live for at least a couple of months with no proven records of scams against forum members. Having said that, I am aware that there are many platforms that are missing and could be added to extend the collection. I will consider adding some new names after the holidays. Many users have mentioned several brands they think should be added. So, I will look into those requests first.
1078  Bitcoin / Wallet software / Re: Wasabi Wallet - Open Source, Noncustodial Coinjoin Software on: December 24, 2023, 08:25:31 AM
Do you hold UTXOs that were sent from Sinbad's sanctioned wallet? Why not do a small experiment, "for the science".
Everyone that participated in the Signature campaign does. The authorities sanctioned the escrow address that held and still holds the signature campaign payments to the OFAC sanctions list. I am not sure what the other sanctioned address is, but it never held any real value on it. One could rightly ask, what's with the hundreds of millions of allegedly laundered and mixed coins from hacks and the addresses connected to those exploits. Are they sanctioned?

Why not do a small experiment, "for the science".
After everything that has been said and done concerning Wasabi and zkSNACKS, I don't want to use their wallet.
1079  Bitcoin / Hardware wallets / Re: Keystone 3 HW coming soon! on: December 24, 2023, 08:14:23 AM
In Russia you can buy this wallet cheaper, but I don’t want to risk it for 30-40 dollars. The owner of the sunscrypt store is known in Russia as a good cryptocurrency security specialist.
Good call. It's not worth it. If you can't get it from the official shop, at least buy one from a member of their resellers network. Anything other than that is just adding additional risk and increasing the possibility that someone manipulated the wallet somewhere along the supply chain.

On a different note, is there currently any hardware wallet brand that delivers to Russia directly from their official online shop that you know of?   
1080  Bitcoin / Hardware wallets / Re: Trezor Suite Update, February 2022 on: December 24, 2023, 08:09:01 AM
Considering that their December update didn't have any firmware for the Model One, I'm leaning towards the latter part being the case [unfortunately].
You might be right. Judging by their firmware upgrade announcement, the address spacing feature is only available for the Model T. Trezor Safe 3 also had a firmware upgrade, but there is no mention of the new feature being added to it. And as you said, Model One didn't have an update at all (yet). 
Weirdly, they don't write about adding the address spacing feature in their GitHub changelog.
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