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May 25, 2024, 03:49:24 PM *
News: Latest Bitcoin Core release: 27.0 [Torrent]
 
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361  Bitcoin / Development & Technical Discussion / Re: Transaction fee should be "per byte" instead of "per kilobyte". on: March 08, 2024, 10:29:38 AM
Thankfully I checked again and noticed, the bitcoin core software displays "per kilobyte".

Rather than creating this long thread, why don't you ask such feature or submit a pull request on https://github.com/bitcoin-core/gui ?

I also hope that using the replace-by-fee feature does not flag me as a "double spend" attemptor ! Smiley

RBF and full-RBF are the norm these days.
362  Bitcoin / Bitcoin Technical Support / Re: Confusion Surrounding Unusual Bitcoin Nonstandard Transactions in Block 831489 on: March 08, 2024, 10:22:06 AM
There was also this transaction which contained 1000 single satoshi outputs in that same block.
https://mempool.space/tx/3c2284977f93a1395f1b0e06fd3a843c3e8ce2277a0d770781f6655d1aadfe13

These transactions were due to Marathon testing out their new service called Slipstream, where users can directly submit non-standard transactions that would otherwise not be mined.

This might help people whose Bitcoin stuck due to non-standard address (e.g. SegWit address with uncompressed keys) or weird spending condition. Although in practice, i expect it'll be mainly used to include arbitrary data.
363  Bitcoin / Project Development / Re: Launched a cybersecurity bitcoin product. Looking for feedback on: March 08, 2024, 10:13:57 AM
I find your service is rather unique. Although looking at pricing, it's weird it's based on total UTXOs or transactions. Someone who wish to use your service might perform consolidation to new address in order to choose cheapest pricing option. And since average user probably either don't use wallet which create signed TX without broadcasting it or know how to only create signed TX, i expect you'll need to write some tutorial or collaborate with certain wallet software.
364  Bitcoin / Development & Technical Discussion / Re: Bitcoin and smart contracts (RGB Protocol) on: March 07, 2024, 01:52:19 PM
I'm not sure as to whats the current state of RGB is but I haven't been seeing much lately, but there is another initiative from one of the developers working at the Nervos foundation and it's called RGB++.

The roadmap was released a few days ago and you can see it here: https://twitter.com/ckbcell/status/1763521124741357973

Now we have RGB, Taproot Assets (which copied from RGB) and RGB++ which would confuse average Bitcoiner. Anyway, they also state difference between RGB and RGB++ on older tweet, https://twitter.com/ckbcell/status/1758385778793840652. Although i have more question after reading the FAQ.
365  Bitcoin / Bitcoin Discussion / Re: Contributing to the network on: March 07, 2024, 12:54:44 PM
I don't think there are other direct way to contribute to the network. Running full node on Android generally isn't feasible option, while there are already many full node running on various data centers (e.g. AWS). Besides, you don't have to force yourself to contribute to Bitcoin network. But other than that, how about donate to Bitcoin-related project?
366  Economy / Exchanges / Re: [Updated] FTX on: March 07, 2024, 12:46:01 PM
Comedy news of the month!

It appears that Sam Bankman Fried is not only using sardines as currency in prison, he has also begun giving financial advice to prison guards hehehehe. I reckon on 2025 he might be the first CEO to create a startup in prison and his angel investors are the gangs and the guards.

--snip--

That news also mention the lawyer attempt to reduce his prison term from up to 110 years to only 5-6 years. It turns out the lawyer use autism as excuse (just like what CSW did) for appeal.

In a high-profile case that has garnered considerable attention, Sam Bankman-Fried, the disgraced CEO of the now-bankrupt FTX crypto exchange, is seeking a lighter sentence, citing his autism spectrum disorder.

Bankman-Fried’s lawyers argue that his condition makes him “uniquely vulnerable” in a prison environment and should result in a reduced sentence of five to six years instead of the maximum 110-year term recommended by sentencing guidelines.


Source: https://bitcoinist.com/sam-bankman-fried-cites-autism-disorder/.
367  Bitcoin / Wallet software / Re: Wasabi Wallet - Open Source, Noncustodial Coinjoin Software on: March 07, 2024, 10:47:34 AM
In fact, this is a very good wallet, it is unique in some way on the market. But personally, I would like to see more additional functions in it. In my opinion, he is very ascetic. It may not be bad, but personally there is a lot missing from it for me. I would ideally like to see a more developed system for recovering private information. For example:
1. Restore different seed formats. Not only 12 words, but also 15, 18, 24.
2. It is possible to restore other popular seed formats. For example, Electrum seed format.
3. Allow the encrypted seed to be restored.
4. Recovery using a private key, using an encrypted private key.
5. Multi-signature wallet support.
6. Built-in DEX.

1. I haven't tried it, but i expect it should be possible since Wasabi explicitly state they support BIP 39. Source, https://docs.wasabiwallet.io/using-wasabi/BIPs.html.
2. I agree with @satscraper here. In addition, user should be encouraged to move their Bitcoin from Electrum to Wasabi by creating one or more transaction.
3. In case you refer to additional text or passphrase when you generate BIP 39, it's not encryption feature.
4. It's good idea, although i expect it'll supported in form of sweeping the coins (which associated with the private key) to address on opened wallet.
5. CoinJoin is big part of Wasabi, so personally i don't expect it'll be supported since you need to sign transaction many times quickly during CoinJoin process.
6. I also agree with @satscraper it's not really needed.
368  Bitcoin / Electrum / Re: electrum the most common complaint is privacy, why not broadcast at Starbucks on: March 06, 2024, 11:45:29 AM
and just use public wifi anywhere to broadcast the pre signed tx ?
That's one of the worst thing that you can do for your Bitcoin wallet's safety.

Could you elaborate how it reduce someone's Bitcoin safety? I don't see direct security risk when the device which used to perform broadcast doesn't store private key or wallet file.
369  Bitcoin / Development & Technical Discussion / Re: Any working bitcoin testnet faucet in 2024? on: March 06, 2024, 09:46:22 AM
--snip--
I disagree with this.  Bitcoin Testnet reward is 0.02 coins every 20 minutes.  If someone wants 1000 coins they are going to be using a fair bit of electricity and time.

Actual block time on testnet is also 10 minutes. 20 minutes is just when difficulty dropped to one which makes it far easier to mine. And current reward is just about 0.016BTC.

It might be a better fit for them to just get their 1000 coins in 10 minutes and keep testing their systems or whatever they are doing with them.

Looking at rate on your exchange, 1000 tBTC cost 0.0071BTC or about $474 right now. While a company could afford that easily, they probably should consider using regtest instead.

I own this exchange and I decided to offer this market.  People are lining up on both sides.  I don't think that makes me or the users dishonest.  Everyone is happy that uses it.

The only people upset are the ones who want to wave a magic wand and say "This has no value!!!!"  Which is exactly what people have done with Bitcoin!!!  FFS look at the shit going around token and coin-wise.... having a semi-healthy tiny nothingness Bitcoin Testnet isn't a bad idea.   Development is exploding and circulation is needed.

I somewhat disagree. On long term,
1. It'll make people mine tBTC for financial purpose, which rise cost of mining tBTC.
2. More people use tBTC faucet for financial purpose, which leave less tBTC for non-financial purpose.


You're just speeding up the testnet reset.


The last reset was 10 years ago... I'll believe it when I see it.

I agree. Aside from 10 years, signet (another form of testnet) also exist.
370  Other / Beginners & Help / Re: Is it possible to run Bitcoin node on my HP Intel i7 on: March 05, 2024, 11:25:56 AM
Greetings honorable member of this prestigious forum. I love to know if it is possible to run a node on my HP Intel i7 laptop, if possible, I also want to know how to run it , what it will cost and what will be my profit.  Thanks in anticipation

1. All i7 processor (even old ones) have at least 2 cores, which should be enough to run full node.
2. You need at least almost 600GB free storage space, unless you don't run pruned mode (which store only recently mined blocks).
3. I agree with other member that your laptop should have at least 4GB, although having more would be better.
4. The cost mainly depends on your laptop's electircity usage. If your internet package have limited data usage, running full node might make you pay more for internet due to over usage.
5. There is no financial profit by running Bitcoin full node.
371  Bitcoin / Wallet software / Re: Wasabi Wallet - Open Source, Noncustodial Coinjoin Software on: March 05, 2024, 11:14:30 AM
3. Is a portable version planned?

A mobile version is on the roadmap, but there's no immediate plans to build one.

By portable version, i think he actually mean something like AppImage file or single executable file (which open Wasabi when use run it).
372  Bitcoin / Development & Technical Discussion / Re: Any working bitcoin testnet faucet in 2024? on: March 05, 2024, 10:48:50 AM
I don't think there will be an existing faucet that is profitable now; I think faucets are past their time. Because of the current bitcoin price right now, I don't think there will be faucets that will give much satoshi, or if there are any legitimate faucets out there, I'm sure the profit from them is very small, not worth your time. And also as a reminder, beware of those faucet websites that you may see; they say to think before you think, meaning to be careful of what websites you are going to visit and what websites you will click on because you may encounter faucet websites. That is created for scamming people or hacking people, especially now that hacking and stealing information from people online are spreading, so yeah, if you've found a good faucet, then it's good, but be careful because its hard to trust in websites this days.

That's true, but OP is talking about Bitcoin Testnet (tBTC) faucet, not Bitcoin (BTC) faucet. While some people buy/sell tBTC these days, tBTC supposed to be free/worthless used for testing or development purpose. And while i don't expect average faucet would try to hack or scam you, they usually show ads which violate your privacy and occasionally show shady/scam ads.
373  Bitcoin / Development & Technical Discussion / Re: Any working bitcoin testnet faucet in 2024? on: March 05, 2024, 10:05:10 AM
Faucets have dried up, the reward is only 0.012 to mine 1 block and you need an asic to mine and know-how. It costs real money to mine a tesnet coin.
You need specialized software and hardware to mine, or you have to rent hashpower... Seems only natural that markets are popping up and people are buying/selling. A simple web search for buy bitcoin testnet coins or something like that reveals places that are selling testnet coins, and they are very cheap, probably just meant for devs who need them and to dissuade free loaders from hoarding like they do on faucets. Testnet hasn't been reset in ages, not sure if it ever will be at this point, but people are going to speculate on anything especially when in demand and limited in amount. I say just spend the few bucks for tesetnet if you need it, at least you aren't buying altcoins!

1. I believe 0.012 tBTC is enough for many kind of testing.
2. The tBTC seller probably care who buy their tBTC or reason for buying their tBTC.
3. While it's trust we haven't see testnet reset in very long time, both Signet and Regtest also exist.
374  Bitcoin / Bitcoin Discussion / Re: Updates from the COPA v Craig Wright trial on: March 04, 2024, 12:20:02 PM
Why he does not understand that each block of Bitcoin is encrypted with SHA-256 and other cryptographic methods ?

Why LeezHamilton does not understand difference between cryptography hashing, signature and encryption?
375  Bitcoin / Electrum / Re: electrum the most common complaint is privacy, why not broadcast at Starbucks on: March 04, 2024, 10:18:51 AM
Hi,

I think I didnt explain very well.

What I mean is

Maybe it possible to

Leave airgapped computer at home. Don't need this after signing.

Take watch only wallet to McDonalds car park on the other laptop , quickly broadcast tx on their wifi.

Never possible to track who sent the tx.

If worried about virus or malware. Then can just keep image of windows of that machine before leaving and reformat and reload it.

I agree public wifi is insecure and not for browsing.


In such case, broadcasting your TX to random node or website while using Tor connection should achieve similar result. It's also possible broadcast to random website without giving away browser fingerprint using curl[1-2].

[1] https://bitcointalk.org/index.php?topic=5341539.msg57186698#msg57186698
[2] https://bitcointalk.org/index.php?topic=1043518.msg11245971#msg11245971
376  Bitcoin / Development & Technical Discussion / Re: MWC1616 on: March 04, 2024, 10:09:20 AM
After looking many pages, i believe this is original documentation for MWC1616 http://www.helsbreth.org/random/rng_mwc1616.html. One of documentation for JavaScript V8 engine also briefly explain how they use MWC1616 on https://github.com/v8/v8.dev/blob/main/src/blog/math-random.md.

You can find the right answer on ChatGPT, that's the right way to use artificial intelligence.

--snip--

I hope this information helps you, and i highly recommend dealing with AI for this kind of question, because if you want to get on details or if you have any other questions about the topic, then the AI has a great explanation for you.

FWIW, the constant/multiplier on that pseudocode doesn't match MWC1616 doc.
377  Bitcoin / Bitcoin Technical Support / Re: Is there a quick solution to Blockchain Rescan Failed ? on: March 04, 2024, 09:54:43 AM
Even more strange is the fact that in Menu/Help/AboutBitcoinCore, the version listed is 26 (cause I updated it)
Yet, the debug.log show version 25 ?

It's only weird if you delete the debug.log file just before you run Bitcoin Core 26.0. Anyway, as stated by @Cricktor, the log also shows you run Bitcoin Core version 26.0 once.

I remember when running TestDisk, it was found that the drive was of NTFS type.

If you only use Linux to access certain partition or drive in the future, i would recommend you to use ext4 instead. Based on my experience, it's more tricky to fix NFTS specific error on Linux rather than Windows.
378  Local / Bahasa Indonesia (Indonesian) / Re: [Edukasi] Proses Transaksi & Block di Jaringan Blockchain Bitcoin on: March 04, 2024, 09:09:51 AM
Block Size

Pada awalnya limit dari ukuran Block adalah 1.000.000 bytes (1MB)

Quote
/** The maximum allowed size for a serialized block, in bytes (network rule) */
static const unsigned int MAX_BLOCK_SIZE = 1000000;

Sebagai informasi tambahan, pada awalnya ukuran maksimal block bukan 1MB. Hal tersebut ditambahkan oleh Satoshi pada pertengahan 2010, https://github.com/bitcoin/bitcoin/commit/a30b56eb.
379  Other / Meta / Re: Is the forum running slow? on: March 03, 2024, 09:22:59 AM
I also feel it's a bit slower than usual, although i don't see message "Database error" so far. Although when accessing this forum with Tor, Cloudflare occasionally show security check even though i don't click "All" page. I'd speculate bullish cryptocurrency market lead to more visitor and spammer.
380  Bitcoin / Bitcoin Technical Support / Re: 2 Bitcoin Core wallet setup tutorial on: March 03, 2024, 08:42:48 AM
I agree with @Churchillvv that such specific tutorial probably isn't exist.

Im looking for a tutorial that explains step by step how to do a setup with 2 Bitcoin Core. One in an airgapped laptop that always remains offline and has the wallet.dat with the private keys, another laptop that is online and has a watch-only wallet. The wallet is from Bitcoin v0.8.0 era, so it may require that the wallet file is also updated? Please provide details.

Since Bitcoin-qt 0.8.0, it creates wallet file using BDB (Berkeley DB) environment[1] which will supported until Bitcoin Core 28.0[2]. I'm not 100% sure, but i expect you can open that wallet file on latest version of Bitcoin Core without any problem. If you want to perform conversion to new format, Bitcoin Core already provide that feature under migratewallet RPC call.

[1] https://bitcoindev.network/understanding-the-data/
[2] https://github.com/bitcoin/bitcoin/issues/20160
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