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1081  Bitcoin / Project Development / Re: Introducing: blockdyor on: July 03, 2023, 10:06:33 AM
I read few articles and overall the quality is better compared with article on many cryptocurrency news media. Although at details, there are few wrong technical details such as,



1. Centralization Concerns: SegWit allows for the creation of off-chain transactions that do not need to be recorded on the Bitcoin blockchain, which some critics argue could lead to a centralization of power among large Bitcoin exchanges or custodians who control these off-chain transactions.

This is wrong, creating Bitcoin off-chain is still possible without SegWit. Although it'd harder since they need to mitigate malleability on their own. In addition, not all off-chain is centralized or rely on custodian.



Liquid Network Disadvantages

While the Liquid Network has numerous advantages, it's also important to discuss its drawbacks.

--snip--

This list could be longer since Liquid also had few problem like these,
https://www.coindesk.com/tech/2020/06/26/blockstreams-liquid-network-sent-8m-in-btc-unsafely-says-bitcoin-developer/
https://news.bitcoin.com/blockstreams-liquid-sidechain-criticized-over-long-outage-block-signing-issue-related-to-upgrade/



But otherwise i'll bookmark your website and visit it sometimes.
1082  Other / Beginners & Help / Re: Cheap Solar Kit Panel, Running Node with free electrical Cost on: July 02, 2023, 12:42:44 PM
--snip--
That is still a rough estimate, maybe next if I have the funds I will make an accurate in how much cost and watts I need. while I know once charging laptop is need 60 – 180 watts.

60 - 180 watts seems high for laptop, unless you actually refer to watt stated on your laptop power adapters. Your average laptop should use 60W or less when running CPU intensive task.
1083  Bitcoin / Wallet software / Re: Petition to remove Wasabi from recommendations of bitcoin.org on: July 02, 2023, 11:44:40 AM
Bitcoin.org already warns users that Wasabi relies on a centralized service by default, https://bitcoin.org/en/wallets/desktop/windows/wasabi/?step=5&platform=windows&user=experienced&important=privacy&features=bech32

Isn't that enough?

You misunderstood what Bitcoin.org said. "Centralized service" in that context only refer to service which provide wallet with relevant Bitcoin transaction. In addition, Bitcoin.org never state any details about it's CoinJoin feature. So IMO warning about privacy issue when using CoinJoin should be mentioned.
1084  Bitcoin / Development & Technical Discussion / Re: Which oparating system distribution for hosting a Bitcoin Core node? on: July 02, 2023, 11:30:08 AM
Whicj oparating system distribution for hosting a Bitcoin Core node do you recommend (e.g. Debian GNU/Linux, Tails, NixOS, MacOS)?

I recommend you to use either Lubuntu or Linux Mint for the purpose because both of the operating systems are based on Ubuntu, however, they are much lighter in weight than Ubuntu. The Lubuntu is the fastest and lightest Linux distro, and it is pretty less resource hungry by nature. You can also try Ubuntu MATE as that one is also good choice for running Bitcoin core.

Those aren't best option though. All distro you mentioned (Lubuntu, Linux Mint and Ubuntu MATE) comes with it's own graphical desktop environment which usually isn't needed for hosting purpose which usually only use terminal.
1085  Bitcoin / Bitcoin Technical Support / Re: Transfers between Wasabi and (for example) Coinbase still possible? on: July 02, 2023, 09:58:14 AM
If you use Wasabi Wallet version 2, take note CoinJoin now happen automatically. If you didn't disable it manually before the wallet receive coin, it's possible your coin already went through CoinJoin probably without you knowing.

Yes, but with a caveat.

Coinbase has always been known to intentionally mark and restrict transactions associated with gambling sites, illicit marketplace and anything in that category. They also openly deduce and blacklist CoinJoin transactions which Wasabi is able to do. If you use CoinJoin, you can potentially run the risk of that happening. You can have plausible deniability if you use another wallet before that and argue that the CoinJoin isn't related to you.

And while other exchange usually isn't as strict as CoinBase, deposit mixed/coinjoined still lead to trouble (e.g. account frozen, asking privacy invasive question). OP should using P2P or decentralized exchange instead if he don't mind lower volume and sometimes less favorable exchange rate.
1086  Bitcoin / Wallet software / Re: SPV (desktop) wallet which lets me verify blocks myself on: July 02, 2023, 09:38:56 AM
What you're looking if wallet which support BIP 157[1]. AFAIK the only desktop wallet which support it is Wasabi Wallet which is controversial mainly due to surveillance on it's CoinJoin feature.
Thanks! I've read through the BIP and it seems to be indeed what I'm looking for (so I put the BIP in the thread title as maybe it attracts someone who knows lesser known implementations). As Wasabi seems to be open source, maybe the relevant part can be "ported" into completely open/decentralized solutions like Electrum ...

That's possible, but i never seen anyone attempt to fork Wasabi wallet or port specific feature on Wasabi wallet.

@pooya87: Thank you; yes I've only recently looked in that file and I think I understand the way net_processing.cpp works approximately even not being fluent in C++. I still hope to not have to code that thing myself, but it seems I have to (or at least parts), so its possible I've to implement your idea Smiley

Don't forget to check getblockfilter RPC command.
1087  Bitcoin / Wallet software / Re: SPV (desktop) wallet which lets me verify blocks myself on: June 30, 2023, 09:54:37 AM
What you're looking if wallet which support BIP 157[1]. AFAIK the only desktop wallet which support it is Wasabi Wallet which is controversial mainly due to surveillance on it's CoinJoin feature.

[1] https://github.com/bitcoin/bips/blob/master/bip-0157.mediawiki
1088  Bitcoin / Wallet software / Re: Sparrow vs Electrum for desktop on: June 30, 2023, 09:00:45 AM
And some of those supported by sparrow are Paynyms, which is looking for the best payment for your transaction. Apart from this it also has built-in tor support. These are just a few that sparrow has more advantage in electrum.
Electrum also has built-in Tor support.
Sparrow does have an advantage for new users in this regard.  Electrum needs a tor node running in the background to connect through tor, it doesn't have a built-in process to create one.  If the tor option is selected in Sparrow, it'll look for a background tor node but if it doesn't find one it'll start it's own, similar to how Bisq and Tor Browser work.

That's true, thanks for the reminder. I forget such feature is exist since my system already have Tor service running. Although it seems it only use it's own Tor when you attempt connect to .onion server[1].

I know it use BIP 157/158 under the hood through getblockfilter RPC, but how good is the performance to retrieve relevant TX?
I've only ever paired Sparrow with a node running on the same device, but in this set up anything I've done on Sparrow has been pretty much instant. The only downside is of course if you import a wallet with historical transactions in to Sparrow then you have to rescan, just as if you imported a wallet with historical transactions in to Core. This is obviously not the case if you were running a full Electrum server, but of course Sparrow can connect to those too.

I see. But since you mention rescan, i just checked Sparrow source code and it looks like they create new wallet[2] rather than using getblockfilter RPC.

[1] https://sparrowwallet.com/docs/faq.html#how-does-the-proxy-support-work
[2] https://github.com/sparrowwallet/sparrow/blob/1.7.7/src/main/java/com/sparrowwallet/sparrow/net/cormorant/bitcoind/BitcoindClientService.java
1089  Bitcoin / Development & Technical Discussion / Re: Which oparating system distribution for hosting a Bitcoin Core node? on: June 28, 2023, 09:39:19 AM
Whicj oparating system distribution for hosting a Bitcoin Core node do you recommend (e.g. Debian GNU/Linux, Tails, NixOS, MacOS)?

Tails isn't an option since it meant to be live OS while MacOS server has been discontinued[1].
[1] https://support.apple.com/en-us/HT208312

You can run Bitcoin Core on macOS by itself, but indeed, Apple doesn't make any servers, so the only way it makes sense to leave a node running on a mac 24/7 is if it's a desktop.

That's possible, but that's not what i have in mind when OP mention hosting.

Whicj oparating system distribution for hosting a Bitcoin Core node do you recommend (e.g. Debian GNU/Linux, Tails, NixOS, MacOS)?

Tails isn't an option since it meant to be live OS (...)
That's OK for me. I don't mind liveOS (not persistent) as databases could be stored persistently on an attached SDD independently.

That's not the only problem though, for example,
1. Tails is meant for device which have monitor and GPU. I don't know whether Tails have CLI only mode.
2. Whenever you need to reboot, you'll need to re-configure Tails manually (e.g. connect to Tor network, opening bitcoind).
1090  Bitcoin / Development & Technical Discussion / Re: Which oparating system distribution for hosting a Bitcoin Core node? on: June 27, 2023, 10:41:56 AM
Whicj oparating system distribution for hosting a Bitcoin Core node do you recommend (e.g. Debian GNU/Linux, Tails, NixOS, MacOS)?

Tails isn't an option since it meant to be live OS while MacOS server has been discontinued[1]. Most linux distro should work for your needs, although i would recommend you use popular option such as Debian, Ubuntu Server LTS, Rocky Linux or OpenSUSE.

[1] https://support.apple.com/en-us/HT208312
1091  Other / Meta / Re: Can Bitcointalk Adopt the Web3 System? on: June 27, 2023, 09:30:48 AM
Currently, it seems that sites that implement web3 technology are popular. This site connect wallet to login. Is it possible if bitcointalk also adopts such a system in the future? maybe it will be more interesting if we can log in with a bitcoin wallet
Email is more convenient though, since these days almost everyone have one in order to use some feature on their smartphone. Meanwhile new cryptocurrency user and some security-conscious person are unlikely to have hot wallet installed on their device.
I find creating wallet convenient, and it doesn't require any information to create one. Please don't blast saving of mnemonic and similar is hard thing to do.

Actually it's matter of preferences. I find entering email address (which i already create and remember) faster and easier. In addition, you don't have to remember your password if you use online password manager.

Quote
Only if both buyer and seller agree to use escrow feature on Web3, which can be done without Web3 in first place.
Why would you not like it being automated? Although, I also think it's unnecessary for bitcointalk but still.

I doubt it can be automated when escrow need to verify buyer receive goods on expected condition. And in first place, many people would raise skepticism since many Web3 turned out to be either centralized or has questionable security.
1092  Bitcoin / Wallet software / Re: Petition to remove Wasabi from recommendations of bitcoin.org on: June 26, 2023, 10:49:02 AM
Bitcoin.org doesn't have very strict criteria[1], so i don't expect Wasabi would be removed anytime soon. Although i strongly agree the privacy section should be downgraded from "Good".

If you're not using the coin joins you would never even know or care.
Maybe worth pointing out that Wasabi now apparently automatically starts coinjoining everything, charging you a fee to be spied on, whether you want it to or not: https://nitter.net/DiracDel/status/1672294717193859074

In addition, it would make user's coin would be blacklisted on some centralized service. Last time i tried Wasabi Wallet 2, there's no such warning.

[1] https://github.com/bitcoin-dot-org/bitcoin.org/blob/master/docs/managing-wallets.md
1093  Bitcoin / Development & Technical Discussion / Re: NFTs in the Bitcoin blockchain - Ordinal Theory on: June 24, 2023, 09:49:22 AM
Quote
Quoting a Satoshi post doesn't make it ideal. You need arguments, like these: https://bitcoin.stackexchange.com/a/37303/134811
The creators thought of how things should be done isn't ideal , that's nice . As for the arguments of the post you shared , these are complete BS . Initial blocksize was 32 MB and there was a reason at the time that 1MB was imposed .  

Didn't Satoshi suddenly change maximum block size limit to 1MB on Bitcoin-Qt source code without any explanation?

Quote
Do you remember that ip to ip transactions were implemented in the original design that was later removed ?  Mike Hearn makes a point , that things could be reinstated at some later point https://bitcointalk.org/index.php?topic=9334.msg134801#msg134801 .
No, that was before my Bitcoin journey, but I could already tell that IP to IP transactions are open to attacks like IP-Spoofing and MOTM. It's probably better to leave that decision to the Core Developers.

Wasn't Mike Hearn the developer who spread FUD about Bitcoin's collapse if it didn't hard fork to bigger blocks?

In addition, IP to IP transaction was never part of Bitcoin protocol/consensus. It was just Bitcoin-Qt feature which connect to certain IP address and ask for regular Bitcoin address, before making regular Bitcoin transaction.
1094  Bitcoin / Bitcoin Discussion / Re: Are you running your BTC wallet on Linux? Why? on: June 24, 2023, 09:07:07 AM
Dual boot also works, assuming there's additional space for Linux OS. User friendly Linux distro such as Ubuntu have option for automatic partition.
Yeah, tried to dual boot before , I allocated the larger partition to windows because we all know how heavy that os will be and how many drivers and such are needed in that unlike in linux , it is lightweight and many distro and flavor. Already tried using Ubuntu since most of my friend said that ubuntu is good for beginner like me and then I got interested in Kali because I got interested in cybersec . I also tried Arch Linux but I failed to installed it I don't know why. Currently using Linux mint as well for crypto , but most of the time I used mac now because of work. So for me in terms of security of assets better to use linux, it is kinda hard to use at first when you are not yet so techy you might got a problem in your hardware as well if you failed to partition it correctly.

FYI both Kali and Arch Linux aren't newbie/beginner friendly. Arch Linux installation require you to setup so many things manually, which is why they provide long guide[1]. And partitioning problem could be partiality avoided if you either,
1. Allocate dedicated SSD/HDD for linux.
2. Use beginner friendly distro which do it automatically.

You can probably quickly learn how to use LinuxOS, the real question is if it's really worth it. First of all you need a new laptop or PC only for Linux, which creates more work as you need to keep the second system up to date.

Not true. As i mentioned on previous page, you can perform dual boot. In addition, these days linux have good hardware support.

Why not just buy a good anti-virus system for windows? We can increase our security on windows and don't need to worry so much anymore about a virus or a scam attack.

That's okay if you're willing to spend money, especially when some paid AV use monthly or yearly subscription which is costly on long run. And would you trust paid AV when it's free version got caught stealing and selling user personal data[2]?

[1] https://wiki.archlinux.org/title/Installation_guide
[2] https://www.tomsguide.com/news/avast-avg-data-collection
1095  Bitcoin / Mining / Re: Bitcoin Mining Hardware from Blockstream on: June 22, 2023, 01:23:12 PM
Quote
In addition, it's known what Blockstream product have mixed result. For example, their satellite and Core Lightning (LN software/library) are great, but Liquid (Bitcoin layer 2/side-chain) and Green (software wallet) has some issues with small user base.
That's a good point, and that is just the software level, this is going to be a combination of both software and hardware, Intel tried to make mining chips and sold them to mostly western companies (U.K, U.S, and Canadain based) such as Hive Blockchain Technologies, and ARGO, it's evident that all of them failed in competing with the Chinese giants, and intel had to stop it's mining chips production.

FYI, their satellite actually is hardware where you can connect to their satellite to sync blockchain and broadcast TX. But talking about hardware and mining,
1. They also create hardware wallet called Blockstream Jade. But it's relative new product.
2. They have 2 service about mining which are Blockstream Energy and Blockstream Mining. But it's not aimed for individual, so we don't know how good or popular are those services.

But at least they shouldn't be clueless about mining/ASIC.
1096  Bitcoin / Wallet software / Re: A Non-Custodial wallet, Atomic Wallet, being compromised on: June 22, 2023, 12:51:05 PM
Finally we get a statement[1] from Atomic Wallet after 18 days of radio silence regarding what might have caused the draining of the wallets. Here's a few highlights from it:
--snip--

There's one more thing i'd like to highlight

Atomic is essentially a software application to manage users' crypto on local devices. We don't ask for any personal information, nor do we store user accounts, etc. Atomic, as a company, has no custody; developers have never had access to users' funds.

I'd like to remind that they collect these kinds of personal data which is likely done automatically,

4. Categories of Collected Personal Data

We collect the following categories of your Personal Data:

--snip--

– Device Information. We may collect information about the device you use to access our Application, including the hardware model, operating system and version, unique device identifiers, and mobile network information. This information will never be communicated to third parties unless you provide prior specific consent.

– Analytical Information that includes information about how you use the Application.

--snip--



Quote
To summarize, less than 0.1% of Atomic Wallet app users have been affected. No new cases have been reported since June 3rd. None of the possible issues are confirmed as potentially causing massive breaches, at least in the latest Atomic app versions. Builds are verified by external auditors. Our security infrastructure has been updated, and the investigation is still ongoing.
IIRC, they said it affect less than 1% of their users in the past[1]. How do they even confirm it? Which number are they using to calculate this? The download numbers on Play Store?

--snip--

To summarize, less than 0.1% of Atomic Wallet app users have been affected.
That wallet's hack caused to lose value cryptocurrencies worth $35 million, how does this represent less than 0.1% of Atomic Wallet app users?

It could be from data they automatically collect, which i mentioned above.
1097  Bitcoin / Development & Technical Discussion / Re: NFTs in the Bitcoin blockchain - Ordinal Theory on: June 22, 2023, 12:18:10 PM

Yeah, i don't expect it'll be implemented on BTC. Although articles you mentioned doesn't mention how it reduce size of transaction which already confirmed (inside a block), unless i missed something.

And technically, Bitcoin onchain transactions are not peer to peer. They propagate to the whole network. Lightning transactions, that's peer to peer.

So you don't consider a node as a peer in P2P/Bitcoin network? And as reminder, LN have routing feature where you're not directly connected to another node to send/receive Bitcoin.
1098  Bitcoin / Bitcoin Discussion / Re: Does Price Determine Security? on: June 20, 2023, 10:47:35 AM
Does the price(how much it costs) of a Bitcoin hardware wallet determine how secure your bitcoins will be when you use them?

No, although personally i would be more cautious with hardware wallet which has extremely low price ($5 or less).

Or, rather, as the main factor of being opened source, does the price to determine the security of my bitcoins when using a hardware wallet?

Also no. And while i find open source software or device usually more secure, don't automatically assume open source hardware wallet is secure.
1099  Bitcoin / Development & Technical Discussion / Re: NFTs in the Bitcoin blockchain - Ordinal Theory on: June 20, 2023, 10:13:20 AM
Quote
2. On long term, would usage of Ordinals have good impact on Bitcoin price?
The question perhaps should be, "Would Ordinals usage increase and therefore increase the demand for block space"? If the answer is "Yes", then I believe the demand for Bitcoin would also increase.

Another question, "Would high fees (caused by usage of Ordinals and other similar protocol) lead to decreased usage of Bitcoin on another aspect (buy goods, paid for service, etc.)?"

If only bigger maximum block size only lead to bigger storage requirement.

And to what other requirements? Ram, internet speed? Should we also compare those to the Satoshi era?
Centralization because people can't afford to run a node when we're talking about ASICs in the thousands of $ that are close to not even working in a normal house without modifications to the breaker and powerlines?

I'm genuinely curious about what is so threatening about increasing the size by a factor of 2 or 4 for example.
I've yet to hear an argument about how doubling or quadrupling the size of the blocks will be a bigger threat than the spam attack that turns users away, the centralizations of mining pools of farms, the near monopoly in mining gear production, the already enormous percentage of nodes hosted in data centers, and so on and on!

1. I'm actually in favor of maximum block size increase, as long as it's NOT based on arbitrary number or very high increment (e.g. 4 million weight unit to 100MB).
2. Other requirements? Aside from what you mentioned, i could think storage I/O, CPU speed and internet latency.
3. Miner generally don't run full node and mining pool definitely can afford very fast computer/server. The concern lies within individual and small group who want to run full node.
1100  Bitcoin / Bitcoin Technical Support / Re: Bitcoin Core RPC remote not Working on: June 18, 2023, 11:34:07 AM
Replace value of your rpcbind to 0.0.0.0 which makes RPC accessible from other device. And IIRC value of bind should be changed as well.
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