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April 27, 2024, 12:15:22 AM *
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41  Bitcoin / Development & Technical Discussion / Re: Airgapped device for Electrum installation on: April 19, 2024, 09:56:47 AM
--snip--
However, one thing I don't like at Windows (which I also use too much) is the default auto-run at inserting USB stick, which can cause you surprises (eg install malware) when you are transferring tx to the airgapped wallet for signing. Plus, you know, most viruses and malware are Windows specific.
So... I still recommend to give a good thought before choosing.

It's no longer true though. Autorun (running arbitrary application) no longer work and only Autoplay (opening multimedia file) remain exist on Windows OS. While there's possibility malware hidden on the multimedia file and executed by the multimedia application, overall risk is lower.
42  Bitcoin / Bitcoin Technical Support / Re: Need Advice Securing Bitcoin Core Wallet Any Tips? on: April 19, 2024, 09:48:00 AM
Everyone trusts hardware wallets to secure cryptocurrencies, but how can the authenticity of a hardware wallet be verified so that it has not been tampered with or compromised during production or distribution?
That's a tough one Sad It's recommended to only buy hardware wallets directly from the manufacturer (and never from third parties). After that, you can follow the authentication process on their website. But indeed, it's one of the things I never feel 100.0000000% sure about. It's too much of a black box.

FWIW, some hardware wallet company create list of authorized reseller/distributor. Although i don't expect they're being monitored closely by HW company. And few hardware wallet is completely open (both hardware and software), where theoretically you could verify everything assuming you have time and skill to do that.

43  Bitcoin / Bitcoin Discussion / Re: Opinion: Embracing Bitcoin Satoshis for Everyday Transactions on: April 18, 2024, 11:32:19 AM
While i agree with OP's opinion, it's not really new idea. People have been using satoshi, mBTC and other less common unit when displaying price of their goods or services. Even Electrum use mBTC unit by default. Besides, i expect very few Bitcoiner use Bitcoin to pay goods or services on daily basis. Many Bitcoin owner either only hold or make payment on some occasion (e.g. pay yearly VPN).
44  Bitcoin / Development & Technical Discussion / Re: (Ordinals) BRC-20 needs to be removed on: April 18, 2024, 11:17:32 AM
Try an Initial Blockchain Download and node sync on a mechanical harddrive, it's a real funnot so much for the drive. You can keep the irony if you detect it.

It's generality true. But if you allocate enough RAM for all UTXO, then it's boring.
45  Alternate cryptocurrencies / Altcoin Discussion / Re: PoW and PoS on: April 18, 2024, 11:00:53 AM
Since you post it under Bitcoin parent board, i'll just say that there's almost no chance Bitcoin will switch from PoW to PoS. Aside from everything you've mentioned, it require hard fork which usually flat rejected by Bitcoin community.

For such crap like ordinals, inscriptions and similar baggage I'm really grateful for shitcoins to exist. Having such a mess on Solana or Ethereum is a big benefit for Bitcoin to stay as far away as possible from getting overloaded by such spammy activities.
And no, I'm not a friend of Shitcoins but here, no one can deny that shitcoins are not beneficial by absorbing a large part of spam.  Wink
You have this backwards. It's beneficial for ordinals and inscriptions to take place on Bitcoin instead of other chains because these transactions pay fees for higher hashrate security.

Or rather, it's only beneficial for both miner and exchange. Miner earn more BTC from high TX fees, while exchange have excuse to increase their withdraw fee even though only fraction used as BTC TX fees.
46  Bitcoin / Bitcoin Technical Support / Re: Risks with Assumevalid on: April 18, 2024, 10:47:51 AM
Your question already answered on https://bitcoin.stackexchange.com/q/88652. In short, assumevalid only skip script verification (usually verify whether the cryptographic signature is valid or not) until certain block passed.
47  Bitcoin / Development & Technical Discussion / Re: Airgapped device for Electrum installation on: April 17, 2024, 10:14:02 AM
Assuming you did not format the device but make it airgapped. Can malware still be able to affect the device? The reason I said this is not because I will not format the device but because I read that not all malware can be completely removed from the device after formatting and OS reinstallation.

FYI, it's not completely removed since the malware put itself on your BIOS/UEFI firmware. Here's an example, https://www.pcmag.com/news/malware-that-can-survive-os-reinstalls-strikes-again-likely-for-cyberespionage. But there aren't many malware which have such advance capability.

The reason for all this Linux is because it is not prone to viruses or malware than the Windows or MacOS. So probably going offline after reformatting will actually reduces the risk of both OS too to be infected. But the best still remains the Linux.
I do not see a reason to use Linux if the wallet is on an airgapped device. I think all those operating systems are good.

If you need reason, Linux distro is lighter. By lighter, i mean use less storage space, less RAM and less CPU usage. Although i expect it doesn't matter much unless you use old or slow device.
48  Economy / Reputation / Re: Users who spread false/fake/unhelpful information on technical board on: April 17, 2024, 09:34:15 AM
To make it easier, maybe you can add some code to your OP, where it's easier for everyone to report, similar like:

Code:
Account: 
List of posts containing false/fake information:
Case status: still open / solved by moderators

And add below the form that it would ne nice to correct all false/fake informations.

That's great idea. I'll think about the format and edit this thread later.

Thanks @ABCbits, just to summarise I have done the following:

(1) I deleted my post in the thread in relation to tails, as it was incorrect.
(2) My post in the bitcoin inheritance thread was already deleted by a moderator.
(3) I have updated my post in relation to the attack scenarios to include the new insights you shared:

Edit: Update to this post, I have been corrected by @ABCbits, you can actually perform this type of attack without a 51% hashrate successfully, but on a single transaction with only a few confirmation, a good calculator is here: https://jlopp.github.io/bitcoin-confirmation-risk-calculator/

That was quick, i appreciate your action.
49  Bitcoin / Bitcoin Technical Support / Re: Need help identifying wallet file from 2010 MS DOS mining! on: April 17, 2024, 09:22:52 AM
After 14 years I just recovered all the data from it, but because the system was RAW all files came out unknown.. I know the wallet is one of them but I got about 3 thousand files

I forget to mention it earlier. But if you have access to the HDD or raw copy of the HDD, you could use tool called pywallet to scan it and automatically find bitcoin wallet files. You can obtain it from https://github.com/jackjack-jj/pywallet. I also provide a short example how to use it on https://bitcointalk.org/index.php?topic=5472426.msg63097543#msg63097543.

Hi everyone is there anyone here who could possibly help me identify a wallet mined with MS DOS in 2010 before bitcoin core existed, if you know you know.
...
It was mined with MS DOS, there was nothing to install at that time, just run commands and mine..
...
Those two statements make no sense. Before bitcoin core was bitcoin-qt and various GPU mining software such as cgminer, but MS-DOS? I know of a Linux distro that came with bitcoind in 2011, but MS-DOS?

OP's most recent reply (3 posts above yours) indicate he actually refer to Windows's Command Prompt (cmd).
50  Bitcoin / Bitcoin Discussion / Re: Will increasing banking restrictions lead to a rise in P2P transactions? on: April 16, 2024, 10:46:45 AM
Some P2P/DEX such as Bisq require deposit to reduce scam possibility. As for physical or face to face P2P, you also could reduce the risk by bringing people you could trust.
Problem is you don't know what kind of laundry the p2p provider is involved in. If they also work for Hamas.

I doubt P2P and DEX is popular choice, especially due to low volume and worse exchange rate. In addition, U.S. treasury recently also share their finding that cryptocurrency is rarely used by such group[1].

[1] https://beincrypto.com/us-treasury-clears-crypto-terrorism-financing/.
51  Bitcoin / Development & Technical Discussion / Re: Seeking Advice on Efficiently Analyzing Interactions Between 100 Crypto Wallets on: April 16, 2024, 10:07:21 AM
I assume you're analyzing Bitcoin wallet. In this case, i would recommend you to run your own Bitcoin full node and Bitcoin block explorer with API feature. Bitcoin Core is probably most solid for Bitcoin full nodes, while there are so many option for block explorer. Mempool probably offer most feature[1], but other option such as Bitcoin Explorer (along with any Electrum server)[2] should be easier option. That way, the only limit is your hardware speed. Other than that, your option is using paid API with higher limit.

[1] https://github.com/mempool/mempool
[2] https://github.com/janoside/btc-rpc-explorer/
52  Bitcoin / Development & Technical Discussion / Re: Running A Bitcoin Node - Question on: April 16, 2024, 10:01:23 AM
I've downloaded the command line page and will study it later tonight.

You might want to check this page, which list most/all possible configuration for Bitcoin Core, https://jlopp.github.io/bitcoin-core-config-generator.

If you want to be able to accept incoming connections, then you can do 2 things:
1. You can open a port on your router to allow incoming connections.
2. You can set up TOR and this will allow you to accept incoming connections without messing up with port forwarding.

Using VPN which allow port forwarding also works, although these days it's hard to find VPN which offer that feature due to many abuse.
53  Bitcoin / Bitcoin Technical Support / Re: Need Advice Securing Bitcoin Core Wallet Any Tips? on: April 16, 2024, 09:53:31 AM
But this doesn't mean either that you'll become hacked. If your computer is clean, you don't download pirated content, don't visit malicious website, i.e. stick with FAANG websites (Amazon, Netflix, Facebook, etc), then you'll be safe (but for maximum security you need an air-gapped computer).

Those popular website (especially Facebook) sometimes shows malicious ads and may be mistaken as regular content though. Some goods on Amazon (and other online shop) may be fake or malicious. Here's an example, Another crap Amazon wallet find: Material Bitcoin.
54  Bitcoin / Bitcoin Technical Support / Re: Need help identifying wallet file from 2010 MS DOS mining! on: April 16, 2024, 09:48:12 AM
Heres a picture of the type of files I got recovered, roughly 3k of them:

https://i.imgur.com/K31PTiM.png
Try the file command on Linux:
Code:
file wallet.dat
wallet.dat: Berkeley DB (Btree, version 9, native byte-order)

Do we know since when wallet file use Berkeley DB? I recall very early version of Bitcoin Core have almost no external dependency.
55  Bitcoin / Bitcoin Discussion / Re: Will increasing banking restrictions lead to a rise in P2P transactions? on: April 16, 2024, 09:15:11 AM
Many people are used with CEX, so i don't expect there'll major rise in P2P trading. It's more likely people will try to create bank account on different bank or even off-shore bank which doesn't forbid cryptocurrency-related transaction.

Peer to peer is good and will be the best if any form of scam can be avoided which is not possible.
Face to face peer to peer is very risky because one can be set on trap and can be rubbed all because of trust. On the other hand, one can also be scammed if there is not a trusted person to stand as a middleman to make sure the transaction is done with any cheat because people can be funny at times, they can decide to go away with people’s money because they are anonymous.

Some P2P/DEX such as Bisq require deposit to reduce scam possibility. As for physical or face to face P2P, you also could reduce the risk by bringing people you could trust.
56  Other / Beginners & Help / Re: Installed Bitcoin Core with EXFAT Format SSD - MAC os - Have I F'ed up? on: April 16, 2024, 09:02:54 AM
I now see within guides that they mention that SSD has to be formatted to APFS or else there will be error.

Well I managed to download Bitcoin Core to my 2TB SSD with no faults as of yet and now looking to do the next step which is Ord Wallet however now have questions regarding do I keep going forward with my EXFAT format SSD or do I Format my SSD to APFS which would be erase of Bitcoin Core which took me 3 days to download.

What do i do?

It's true there are few reports that using exFAT on Mac OS to run Bitcoin Core cause corruption, such as https://github.com/bitcoin/bitcoin/issues/28552. So personally i'd recommend you to reformat your SSD to APFS. But if you have another storage drive, you could move downloaded files (created by Bitcoin Core) to somewhere else temporarily, so you don't have to redownload everything.
57  Economy / Reputation / Re: Users who spread false/fake/unhelpful information on technical board on: April 16, 2024, 08:48:37 AM
--snip--
I apologise if the information I have provided has not been correct, I should have researched my responses in more detail.

Regarding your commentary on my response to the "Comparing Inheritance Services": Whilst my commentary wasn't reviewing the provided inheritance services, my comment was related to the intent of the topic which is inheritance of cryptocurrency/bitcoin. It is true that using an inheritance service relies on the use of a third party which most cryptocurrency users do not want to do at all, as that is the intention of using bitcoin, being your own custodian of your own assets. Regarding your comment on the multi-sig wallets, I should have been more specific, I was actually referring to a 2-of-3 spend condition, not 3-of-3 spend condition. When I said "3 required keys" I mean as in, you need 3 keys in total, and it has to be odd, so that you when you have 2 keys it is a majority and meets the spend condition, the same way with a 3-of-5 spend condition, you need a majority of 5. There is 5 keys required in total to be created, which is odd, but you don't need to have a 5-of-5 spend condition, that doesn't really make any sense to me. I do not recommend this, and it is definitely dangerous -  my post was not specific enough on the spend conditions, but I think there has been a quick assumption on your behalf.

First of all, i appreciate you provide detailed response in this thread.

Now i understand better what you're trying to say regarding multi-sig wallet. While it's true there are few assumption on my behalf, i doubt other reader would know you're actually talking about 2-of-3 spend condition when you didn't even mention number 2 (two).

Regarding your commentary on my response to the "51% attack" post. This post is in relation to Bitcoin, not BCH or any other cryptocurrency where a different mining type like proof of stake etc could be applied. I am simply referring to proof of work in Bitcoin alone. A fork absolutely can occur based on a 51% attack. I am not referring to a soft fork that changes in the rules. One thing to keep in mind is that these forum threads are a discussion, they are not a statement of true fact and definition. It's important to be open to discussion on theoretical incidents. Yes my knowledge might not be perfect on all topics, but I don't believe that excludes me from being able to contribute to a discussion. I am open to being wrong and corrected absolutely.

I see. I usually term "block organization", but term "fork" is also valid term to describe 51% attack which create new chain (with most accumulated hashrate/work). And FYI, while such attack require 51% hashrate to ensure success, someone might try it with less hashrate on transaction with only few confirmation. You can use this calculator https://jlopp.github.io/bitcoin-confirmation-risk-calculator/ to estimate the success rate.

Regarding your commentary on my response to "tails persistent storage", you are right and I was wrong about this. I have only last used Tails in the 2016 to 2017 period, and back then the intent of Tails was not to have any persistent storage at all. The intention of using Tails back then was purely anonymity and privacy, and to delete everything after you finished using the operating system. However, I was wrong about this and probably should have researched in more detail before contributing my comment.

I didn't use Tails back on 2016 or 2017, so i'll take your words. Anyway, it'd be great if you edit your posts to state that your previous statement is outdated.

I am not a hacked account lol, I can happily provide any proof that is required.

I don't think you're using hacked account either, so IMO there's no need to provide any proof.

--snip--
I tried to send a group PM to you DaveF and ABCbits simultaneously but it doesn't seem to be working, so I will add my comment here.

Regarding your allegation that my account is hacked DaveF - I simply recovered my old account and started using it. I am aware that having multiple accounts on this forum is not allowed so did not want to create a new account, plus I knew I registered this many years ago. Not sure what I can provide to revert your opinion on this. If there is anything I can to change your perspective, let me know. There is literally no reason for someone to try and hijack my account if it had no post history prior to this year. Additionally, my account's primary email address is not with a service provider which is vulnerable to password reset via SMS, so not possible for me to be a victim of a sim swap attack for account takeover, and secured with multi-factor authentication additionally.

Thanks for the explanation. And FYI having multiple account actually is allowed by this forum. See https://bitcointalk.org/index.php?topic=703657.0, point number 18.
58  Bitcoin / Wallet software / Re: Sparrow Bitcoin Wallet on: April 15, 2024, 09:59:18 AM
sparrow has published a new release today
version 1.8.5 includes the following new features:

  • whirlpool over decentralized soroban
--snip--

I didn't expect they'd implement it quickly. After all, Samourai only announce it on their wallet last month[1].

Another question I have (which I don't see answered on Sparrow site) is whether it's advisable to run the Electrum server on the same laptop that Sparrow (and Bitcoin full node) is running on. I remember reading somewhere (forget where) that doing that can cause security/privacy issues and it's better to run Electrum server on separate hardware. Is this the case?

At least for privacy issue, other people might say that since spying company could find out which node/IP address broadcast certain transaction for first time. In this case, configuring Bitcoin Core to use VPN or Tor should solve the issue.

[1] https://blog.samourai.is/decentralized-whirlpool-stage-1/[/list]
59  Bitcoin / Bitcoin Technical Support / Re: Need Advice Securing Bitcoin Core Wallet Any Tips? on: April 15, 2024, 09:44:23 AM
This is somewhat vague question, so i only could give vague answer such as,
1. Avoid using Windows OS if possible.
2. Verify the downloaded Bitcoin Core. https://bitcoincore.org/en/download/ shows how to do it.
3. Do not execute command on Bitcoin Core's console or RPC-JSON if you don't understand what it does.

While lite wallets like Electrum offer convenience but I prioritize security.
There really is nothing like a lite bitcoin wallet. Closest example I can think of is a web wallet which is constantly offline and is very unsafe.

He probably use term "lite" because Electrum doesn't download whole blockchain. It's definitely lighter than Bitcoin Core.
60  Bitcoin / Bitcoin Discussion / Re: Biden’s 30% tax is not welcomed by crypto industry on: April 15, 2024, 09:15:46 AM
It's not surprising, no business would be happy if there's proposal which state they'll need to pay more taxes. Miner should re-consider their long-term plan if this proposal shows many sign become law.

cryptocrits "read full article" website has lots of pop-ups that want you to download crap... i dont recommend visiting his link

advice to cryptocrit: remove the crappy stuff your site tries to get people to download

In addition, why would OP put widget of bitcoin price chart on top of the page when the page itself is about news. Anyway, here's less worse alternative news source for this topic, https://www.dlnews.com/articles/regulation/bidens-dame-tax-could-destroy-bitcoin-mining-in-us/.
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