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301  Local / Bahasa Indonesia (Indonesian) / Re: [Q&A] Tanya Jawab Seputar Forum Disini/Ask about this forum here! on: March 09, 2024, 12:29:44 PM
Disini ada yang sudah pernah coba jasa accelerator untuk transaksi BTC?
BTW saya penasaran dengan cara kerjanya, apakah transaksi itu diproses secara sepihak bagi penyedia jasa atau bagaimana ya?

Topik yang menawarkan jasa akselerasi :  FREE/PAY BITCOIN TRANSACTION ACCELERATOR
Untuk website yang menawarkan jasa serupa : ViaBTC TxAccelerator

Saya hanya pernah mencoba jasa gratis yang ditawarkan oleh ViaBTC. Tetapi secara umum, saya tidak percaya jika mereka tidak menyebutkan mining pool yang mereka gunakan untuk proses akselerasi. Secara singkat, cara kerja jasa tersebut adalah menyertakan transaksi anda pada block yang akan dimining oleh miner/pool.
302  Other / Beginners & Help / Re: Crypto news sources on: March 08, 2024, 12:47:28 PM
It's funny how you all don't know about https://news.treeofalpha.com
It's a tool where all the latest Crypto News Articles and Tweets are combined so you don't have to visit multiple sites.
Also, you can use the search functionality to find news about your preferred Crypto.
It's not a promotion, just sharing it with you all as it's free to use.

OP already mention few news aggregator, although none of them include tweet. While concept of that website is interesting, they include account owned by news provider (e.g. CoinDesk and TheBlock) which may give duplicate information.

For a long time, Bitcoin.com was not neutral news and supported BCH FUD, I did not follow their news in the recent period, but I hope this has changed

It's not as bad as in past, although some news about BTC or BCH still has some bias. Here's an example, https://news.bitcoin.com/from-low-to-high-bitcoin-fees-jump-over-129-in-4-days/ where people could create wrong assumption where average BTC transaction (1 input, 2 output) costs $11.48.
303  Other / Beginners & Help / Re: Crypto news sources on: March 08, 2024, 11:51:57 AM
Current list of news sources:
- Cointelegraph
- Coindesk Coingecko
- CoinMarketCap
- CryptoPanic
- defidive.com
- bitcoinmonkey.org
- Bitcoin.com news
- Coindesk

Some suggestion,
1. Personally i'd avoid Cointelegraph due to clickbait and inaccurate details.
2. Coingecko, CoinMarketCap, defidive.com and bitcoinmonkey.org actually are news aggregator. You could just use one of them, where IMO both defidive or bitcoinmonkey are decent choice.
304  Bitcoin / Development & Technical Discussion / Re: why was bitcoin written in C++ instead of pure C? on: March 08, 2024, 10:40:54 AM
Because Bitcoin is complex, and complex projects are better to be programmed in object oriented programming. It also comes with rich libraries like STL, which reduce the overall chance for making a mistake, and it improves performance.

C is (usually) faster than C++, but I wouldn't want Bitcoin's source code to be a monster like the Linux kernel, even if it was slightly faster (which isn't necessarily to be the case).
True. There has been some momentum around moving the kernel over to Rust, in time.

https://www.zdnet.com/article/rust-in-linux-where-we-are-and-where-were-going-next/

But so far, Rust (along with other language) remain to have small popularity[1]. In addition, previously Linux kernel already switch from C89 to C11[2].

--snip--
Java is a more advanced C++. It's great for general purpose applications and of course it's easy to use and maintain. Most of the libraries you need are available in Java, so actually customization is minimal, most of the time.
--snip--

Does your statement apply to Java in general or just newer Java version? I often hear Java 8.0 or older is hated due to various reasons.

[1] https://openhub.net/p/linux/analyses/latest/languages_summary
[2] https://www.zdnet.com/article/linus-torvalds-prepares-to-move-the-linux-kernel-to-modern-c/
305  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.
306  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.
307  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.
308  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.
309  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?
310  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/.
311  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.
312  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.
313  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.
314  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.
315  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).
316  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.
317  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.
318  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?
319  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
320  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.
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