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May 02, 2024, 05:50:25 PM *
News: Latest Bitcoin Core release: 27.0 [Torrent]
 
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2421  Bitcoin / Wallet software / Re: [List] Open-source Lightning wallets on: June 02, 2020, 12:26:59 PM
Since it's about Open-source Lightning wallets, it'd be great if there's column which shows URL repository the source code.
2422  Bitcoin / Press / Re: [2020-05-13] An old privacy trick could solve Bitcoin’s privacy problem on: June 02, 2020, 11:56:36 AM
I'm not sure if the anonymity is wanted anymore. There are exchanges that were delisting anonymous coins because of government rules, so more anonymity could make more enemies also to Bitcoin, which is not a great step forward now.

Some government also don't like the fact that Bitcoin allows user have full control over their money, should we remove that as well?

Maybe at the point Bitcoin adoption is world wide and Bitcoin is "too big to fall" (I wanted so much to add this), then these ideas will get out of the shelves and get a real (real-real) thought and also implemented into the real thing.

This idea can be implemented anytime though, since there's no soft or hard fork required.
2423  Economy / Scam Accusations / Re: [Warning]: Do not download this wallet on: May 31, 2020, 09:00:28 AM
So i went to check their website and found conflicting information (which i bolded above) on their website

Instant Exchange with Cashback

Swap 60+ crypto pairs anonymously and receive a cash back for exchange.

Verify your Identity

Verification is required to prevent identity theft or fraud. Photo ID is required to make sure it’s really you.

One more proof that this wallet is scam shady
2424  Bitcoin / Electrum / Re: connect your Electrum wallet directly to your Bitcoin full node on: May 30, 2020, 06:36:23 AM
When you enable RPC (without a password), it creates the file automatically. -snip-
In the same directory, you will see the .cookie file if you already enabled RPC and restarted Core.
I tried removing the password on RPC and restarted Bitcoin Core. I saw the .cookie file created automatically in that folder.
The .cookie file disappears when Bitcoin Core is closed. It's like a temporary file.



Get that same directory and use it on the "Directory" field on bwt.
I have changed the directory and get the following error message when running Electrum (bwt) with Bitcoin Core at the same time.



Default RPC port is 8332 (mainnet) or 18332 (testnet), you either must :
1. Edit bitcoin.conf to use port 18843

Quote
rpcport=18843

2. Change RPC url (on Electrum) to use default RPC port
2425  Bitcoin / Electrum / Re: Electrum asked for my password but now it doesn't, I don't remember it anyway on: May 28, 2020, 07:42:33 AM
Is there a way to check to see if I set a password for it?

If the wallet is encrypted, electrum should ask you for a password when you launch it:



Not true if the wallet is created with older version of Electrum which doesn't encrypt whole wallet by default, but you still can check whether you set a password by sign a message on any of Bitcoin address on your wallet.
2426  Bitcoin / Bitcoin Technical Support / Re: Advice on Raspberry pi hardware for running full BTC node on: May 28, 2020, 06:36:02 AM
Correct for now, when the usb boot option becomes default for a pi4 just as it is now for the pi3 and the rest we can skip the firmware update part.
Lets hope they push it out the upcoming weeks. : )

You still need to find Raspberry Pi 4 that comes with newest firmware or kindly ask the seller to flash the newest firmware for us though.
2427  Alternate cryptocurrencies / Service Discussion (Altcoins) / Re: PI Network! A huge trap[Warning!] on: May 27, 2020, 06:52:44 AM
so after long research I found that:

1-their website says that the application actually mines the coin!


2-The application steals more than your info!


3-The application make connections to a lot of ads services in the background!


4-here is a Virustotal scan for their apk and it shows that the app takes a lot of permissions that steal everything on your phone https://www.virustotal.com/gui/file/3aa2994e6885d0c3fcff3b038f8b4da9b727138c5cc10533b0e8ebedb3075b41/details

TLDR it's a spyware. It'd be great if someone could perform HTTPS interception to see what kind of data is sent to ads services.
2428  Bitcoin / Development & Technical Discussion / Re: Bitcoin address mass balance checker [Tutorial and code] on: May 26, 2020, 06:28:45 AM
Oops, i missed that. But personally i disagree with "politically correct answer", since IMO it's about ethical and if you can't setup your own full node + API services, you still could use public Bitcoin explorer rather than private Bitcoin explorer with sloppy security.
As discussed above, if using the script in the OP, you are most likely searching for thousands (or more likely millions/billions) of addresses, and a public block explorer is going to rate limit your searches.

I realize that fact, but it doesn't change there's ethical problem of using private Bitcoin explorer with sloppy security / without owner's permission.

P.S. this is my last reply to prevent further off-topic / topic derailing
2429  Bitcoin / Bitcoin Technical Support / Re: Bitcoin confirmation API on: May 25, 2020, 11:01:50 AM
--snip--

Can u please tell me usually after how much time currentblock count increases? an estimate pls

On average, there's ~10 minutes between blocks. If this average time between blocks is < 10 minutes, at the next difficulty retarget, the diff will increase so the time between 2 blocks is once again ~10 minutes (or vice versa).

On reality, average block size is about 9.4 minutes since mining hashrate/difficulty is increasing most of the times.

If you need at least 2 requests per second, you might want to consider setting up your own node.
It's not that hard and doesn't need too much disk space, since you can simply enable pruning and only save the last few blocks (e.g. 50 MB of blocks).

I don't know what of software/service you are building, but it might be better to not rely on a 3rd party (keyword: availability).

The bare minimum is prune=550 (IIRC), keeping little over 550 Mb block data.
Next to this, there are other datafiles, config files, log files and binaries,... So a pruned node will still need a lot more than 50 Mb (even the minimum size on disk of the blocks of a pruned node alone are > 50 Mb)

Don't forget chainstate which store all UTXO, which is about 3.8GB in my case.
2430  Bitcoin / Bitcoin Discussion / Re: I can develop low cost electric power, what are my options on what to do with it on: May 21, 2020, 05:08:14 AM
Have you considered other operational costs such as cooling solutions, maintenance, security, staff and rent? If you have no idea about those, i'd suggest you to look for partner to fill missing knowledge/experience (which already mentioned by other user).
2431  Local / Bahasa Indonesia (Indonesian) / Re: Bitcoin meng-Angkasa, Sinkronisasi Blockchain Tanpa Internet on: May 19, 2020, 05:03:26 AM
Penutup

Saya kira ini sebuah inovasi penting di mana banyak yang menanyakan bagaimana bertransaksi bitcoin tanpa menggunakan Internet?. ya, mungkin maksudnya mereka ini telah lelah membayar provider internet tiap bulan demi menjalankan node atau pebisnis yang sangat sering bertransaksi.

Tempo hari saya mencoba download blockchain di bitcoin core menggunakan data internet seharga 75ribu rupiah yang dapatnya cuma 15Gb namun yang terdownload cuma 1% dari keseluruhan blockchain bitcoin. Begitu mahalnya menjalankan node bitcoin di Indonesia menggunakan Internet, tentu akan membuat orang malas menjalankannya full time 24/7. Bagi saya ini solusi terbaik untuk mengurangi biaya yang begitu mahal.

Menurut saya, sebaiknya jangan menjalankan Bitcoin full node jika menggunakan koneksi internet tanpa kabel (2G, 3G, dll.) karena harga per GB sangat mahal jika dibandingkan dengan koneksi internet dengan kabel (Fiber, ADSL, dll.).
2432  Other / Meta / Re: Cobra want's to part away with bitcoin.org on: May 14, 2020, 08:38:39 AM
Hope the domain is transferred to someone with a neutral view around the Bitcoin conspiracies.

IMO people or organization who directly involved in Bitcoin, Cryptocurrency or Blockchain world most likely can't be neutral.

After saw the announcement, i think lukechilds to transfer the domain to EFF or Linux Foundation is good idea.
2433  Other / Meta / Re: [Suggestion] Approved Member in Trust System - No Tor No Vpn on: May 13, 2020, 06:21:04 AM
Thread title : [Suggestion] Approved Member in Trust System - No Tor No Vpn
Thread content :
We have to keep Satoshi legacy alive. It's not just for a small group of people. FOR ALL WORLD PEOPLE.


Source : https://knowyourmeme.com/memes/emperor-palpatine-ironic
2434  Other / Off-topic / Re: #DeGoogle - Take back control of your privacy on: May 12, 2020, 11:25:40 AM

Recently when i'm looking news about Zoom, i found out Keybase was bought by Zoom. Zoom is known to have bad security, bad privacy and lying about feature of their service.
I don't use Keybase, but i'd have some concern if i were to use Keybase.

Source : https://keybase.io/blog/keybase-joins-zoom
2435  Bitcoin / Bitcoin Technical Support / Re: sign a message on: May 11, 2020, 09:48:40 AM
You can't sign messages using SegWit addresses in bitcoin core but it should be possible to export the private keys of that address, import it to Electrum and then sign a message.

While you could export your private key from Bitcoin Core to Electrum, it's safer to use sweep feature which available on Electrum or simply send Bitcoin from Bitcoin Core to address generated by Electrum wallet.
2436  Other / Meta / Re: Can we delete our accounts here? on: May 09, 2020, 07:34:26 AM
Even if you delete your posts, there are many scrapper (owned by search engine or member of this forum) and archival website which store your past posts.

If you care about your privacy, don't post about things that you don't want people to know.
2437  Bitcoin / Bitcoin Discussion / Re: Bitcoin has not learned anything in past 3 years on: May 06, 2020, 06:14:12 AM
2) Main part Bitcoin developers are phobic of any hard fork with the block size or block time.
When you have 10 Mbs blocks and 2 min block time without any other changes, you can have the TX volume as VISA

Increasing block size or block time have more problem than you think (i only list few) :
1. Storage capacity
2. Storage speed
3. Processing power to verify transaction & block
4. RAM speed / capacity
5. Costs to run full node due to point 1-4
6. Initial block download (IBD) time for those who run full node for first time
7. Internet speed/price heavily depending on country and location (e.g. big city or in the middle of nowhere)
8. All Bitcoin transaction which use timelock/HTLC will be broken
2438  Other / Beginners & Help / Re: EventBot: A New Mobile Banking and Cryptocurrency Trojan is Born on: May 01, 2020, 09:07:54 AM
Edit:  I don't understand the list given, are those apps infected, should they be uninstalled if someone uses them?

No, those list are list of application targeted by EventBot. So if EventBot is on your android device, data from those application will be stolen by EventBot.
2439  Economy / Web Wallets / Re: MY BITCOIN HAS DISAPPEARED IN MY WALLET on: April 29, 2020, 12:07:38 PM
If nothing is being displayed (like nothing at all), then it might be a visual bug and you can try and restore your wallet (in Electrum) using the 12 words phrase you have.

Checking your Bitcoin with mobile or web version of blockchain.com also works if you don't bother restoring your wallet on another wallet (such as Electrum).
2440  Bitcoin / Wallet software / Re: BITCOIN AS GIFTS FOR TEENAGERS on: April 26, 2020, 06:49:37 AM
If assuming they never used Bitcoin previously, it'd be better to advice them to use Electrum (PC), Mycelium (Android) or Bread Wallet (iOS).
Bitcoin Core and Armory requires you to download hundred GB of Bitcoin blockchain. Wasabi and Samourai are good option for those who want better privacy, but it's slightly more difficult to use than wallet i mentioned on 1st sentence.

It'd be great if you make guide how to create, use and secure the wallet as well, since people who just started use Bitcoin usually neglect security or backup.
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