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News: Latest Bitcoin Core release: 27.0 [Torrent]
 
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1361  Bitcoin / Bitcoin Technical Support / Re: Bitcoin livenet size in gigabytes on: September 25, 2019, 07:05:24 PM
261G ./blocks/index
478G ./blocks
481G

It looks like it's because of the txindex set to 1. According to this reddit post, 2 years ago, one had to download 108 GB without txindex turned on and 226 GB once enabled. It looks like you will need about 1 TB of space. I haven't run a node with txindex turned on so someone else should confirm if this is true.
1362  Bitcoin / Bitcoin Technical Support / Re: Bitcoin livenet size in gigabytes on: September 25, 2019, 04:36:33 PM
(2) What options should I use while running bitcoind. Now I am using only "exec": "/usr/lib/node_modules/bitcore/node_modules/bitcore-node/bin/bitcoind" in bitcore-node.json

Sorry, I don't have any experience with Bitcore so I will have to rely on the information available on their Github and the Internet since I don't have any spare VPS at the moment to test it. What guide did you follow? Did you create bitcoind config file? Take a look at this guide and see if it helps you. Skip 'testnet=1' in the bitcoind config and change 'testnet' to 'mainnet' in the bitcore-node.json. Do you need bitcore for some kind of service or you just want to run a full node?
1363  Bitcoin / Bitcoin Technical Support / Re: Upgrade to 018.1 on: September 25, 2019, 03:53:42 PM
Is it enough to change the address to the bitcoin exe file and add -rescan as a parameter?

The installation file should have overwritten old files thus adding -rescan shouldn't be needed. Bitcoin Core and your wallet location should be the same as before the upgrade.
1364  Bitcoin / Hardware wallets / Re: [ESHOP launched] Trezor: Bitcoin hardware wallet on: September 25, 2019, 03:19:44 PM
The newsletter-exclusive offer turned out to be a 15% discount code off anything in Trezor Shop, valid through 30 September. The code doesn't seem to be unique for each participant. Anyway, I am not going to use it so I can give it to anyone who sends me a private message.
1365  Bitcoin / Bitcoin Technical Support / Re: Bitcoin livenet size in gigabytes on: September 25, 2019, 02:59:49 PM
Mine is having 495G in total and the node syncing took all of it and now shows "No space left on device" in debug.log. Can anybody mention what is the recommended disk size for a full livenet node. Earlier I heard about 200G which didn't work for me. Or any suggestion that can improve this scenario?

You can use pruning if you don't mind getting rid of old blocks after they have been verified. Only about 288 recent blocks will be kept in case of chain reorganizations by default.

#Edit: I have no experience with bitcored which might be the root of the problem.
1366  Bitcoin / Electrum / Re: Electrum to Electrum - transaction lost! on: September 25, 2019, 12:18:48 PM
to configure how? I tried to choose between different servers, none of them worked.
But now it's not a problem, since it has the latest version - it's online.

If it says 'Connected' then I guess it won't help. You can try enabling the proxy, selecting SOCKS5 and leaving the rest at default settings. What is the number next to the 'Blockchain' in the 'Overview'? It should be '596508 blocks' at the time of writing this post.
1367  Bitcoin / Electrum / Re: Electrum to Electrum - transaction lost! on: September 25, 2019, 11:51:19 AM
-snip

Click on the red dot or synchronization icon in the bottom-right corner and check if your 'Proxy' settings are intact. You might need to enable it and configure it so that Electrum could connect to other servers via Tor.
1368  Bitcoin / Development & Technical Discussion / Re: Any thought to reduce downloading time of blockchain ? on: September 25, 2019, 08:10:33 AM
it takes me whole 4 weeks to download bitcoin blockchain, is there any way to reduce downloading time?

It looks like either your hardware or Internet connection is at fault. While your node is synchronising, CPU verifies each block one by one. Also, upgrading to an SSD makes a difference in the sync time. Even a Raspberry Pi should be able to finish it in just a few days. How many nodes are you connected to and what's your maximum Internet speed?

take a balance snapshot for all the address existed before a special block,and take the  result as a new genesis block,then continue grow the chain from after this special block.the cost of this method is we lose all the transaction detail before that point. and we can choose a right snapshot interval  to do the procedure.may be it can be implemented as an option that  users can choose.

That's out of the question. Some people share their copies of the blockchain via torrent. It could be faster for you.
1369  Bitcoin / Hardware wallets / Re: [ESHOP launched] Trezor: Bitcoin hardware wallet on: September 24, 2019, 11:55:07 AM
Trezor prepared a newsletter-exclusive offer for people who sign up for their newsletter. All readers are going to receive it on Wednesday. The subscription link can be found in the tweet below.

Source: https://twitter.com/Trezor/status/1176221067943325697
1370  Bitcoin / Bitcoin Technical Support / Re: Bitcoin wallet on: September 23, 2019, 12:38:59 PM
There is a file named "wallet" but it is not directly readable. How can I see the amount of bitcoins in my wallet?

Your balance should be visible once you open Bitcoin Core. You might need to add -rescan to your startup parameters since you had a problem with your node. The wallet file should have .dat extension and be located in the datadir set in the startup parameters.
1371  Local / Polski / Re: Ogólne rozmowy na temat kampanii sygnatur on: September 23, 2019, 10:05:03 AM
Na początku tej kampanii menedżer mówi, że są zdecydowani i ta kampania będzie trwała bardzo długo, bo oni nie maja zamiaru jej kończyć. Dosłownie jego słowa.

Zwróć uwagę, że użył zwrotu "take a break", więc jak na razie dotrzymuje obietnicy. Kampania została oficjalnie zawieszona, a nie zamknięta Wink Nie wiemy kim jest ten manager i czy należy do ekipy Livecoin, więc może on mieć zerowy wpływ na ich decyzje.
1372  Local / Polski / Re: Ogólne rozmowy na temat kampanii sygnatur on: September 22, 2019, 10:01:19 PM
Widzę, że są wolne miejsca ale nikt od nas nie aplikuje i chyba widziałem czerwoną farbę za Wolf.bet u kogoś ale nie jestem pewien.

Chodzi Ci o czerwoną farbę od tego użytkownika? Wystarczy spojrzeć na jego trust i obie flagi, żeby dojść do wniosku, że są bezpodstawne i nic nie warte.
1373  Bitcoin / Electrum / Re: Electrum on Android: How to create a SIGNED raw transaction please? on: September 22, 2019, 09:40:14 PM
But I have another question : is there a website that can decode this Qr code in text? So the "receiver" who took a picture of my Qr code can easily decode it and broadcast it without installing Electrum...

You can either send the QR code and ask the other person to decode its contents using this website or simply send the copied signed transaction to them ('Copy to clipboard' should be available once you open the QR code). Electrum encodes the (un)signed transaction only if you select the QR code.
1374  Bitcoin / Bitcoin Discussion / Re: Bitcoin Core 0.18.1 Released on: September 22, 2019, 08:41:48 PM
It seams that the parameters has changed. The program complains on them when I start the program
My parameters are:
E:/Bitcoin/bitcoinqt.exe -datadir:G:/:Bitcoindata

Try to change it to E:/Bitcoin/bitcoinqt.exe -datadir=G:\Bitcoindata . If it still doesn't work for some reason, create a new topic in this section.
1375  Bitcoin / Electrum / Re: Electrum on Android: How to create a SIGNED raw transaction please? on: September 22, 2019, 08:30:05 PM
It seems that it only works on Electrum to Electrum wallet I tried the QR code generated from coinb.in as unsign raw transaction and use their qr code but when I scanned it with Electrum in mobile shows unable to decode.

That's because Electrum uses base43 in order to make QR codes smaller; it looks like the client also expects this kind of encoded data.

So I think there is no difference in signing transaction in two mobile phones if the watch-only wallet can show a QR code after you make unsigned transaction you can scan it from another mobile phone where you can sign the transaction.

There is no need to use two separate phones. Electrum on Android allows users to switch between wallets (tap on the three dots in the top-right corner). When you open a QR code, you can also copy the text to clipboard.
1376  Bitcoin / Electrum / Re: Electrum on Android: How to create a SIGNED raw transaction please? on: September 22, 2019, 08:14:44 PM
So when(on which screen) I must "paste" it please?

Once you prepare your transaction using the watch-only wallet and copy it, switch to the default wallet. In the 'Send' tab, there are a few buttons. 'Paste' is directly above 'Pay'.
1377  Other / Meta / Re: Newbies can now pay a small fee to enable images on: September 22, 2019, 08:01:32 PM
How do i know i m Copper Member? i already paid but i dont see any badge on my profil

If your transaction has already been confirmed, revisit this website and select 'Copper' from the drop-down menu. Once you do it, you should see 'Copper Member' under your nickname.
1378  Bitcoin / Electrum / Re: Electrum on Android: How to create a SIGNED raw transaction please? on: September 22, 2019, 05:58:42 PM
That's an interesting question, I'm not sure you can but I'll have a bit of a test.

Yes, you can. Read the post above for two possible options. It isn't as easy as if you were doing it on a desktop version of Electrum.
1379  Bitcoin / Electrum / Re: Electrum on Android: How to create a SIGNED raw transaction please? on: September 22, 2019, 05:22:44 PM
I'm able to create an unsigned raw transaction with Android Electrum, but I don't find how to create a signed raw transaction Does anyone know how to do that if it's possible?

Prepare an unsigned transaction on your computer and display it as a QR code or create a watch-only wallet using your Master Public Key (click on the wallet name to obtain it), prepare the transaction and copy it by clicking on the QR code icon and selecting 'Copy to clipboard'. Scan the QR code by tapping on the camera icon in the 'Send' tab or paste the unsigned transaction. Review the transaction and select 'Options -> Sign'. Once you have signed the transaction, tap on the QR icon in the middle and then press 'Copy to clipboard'.
1380  Local / Polski / Re: Ogólne rozmowy na temat kampanii sygnatur on: September 22, 2019, 09:21:31 AM
Głównie rozpoznawalość. Jeśli lecisz po liście i nie kojarzysz czyjegoś nicku to pewnie nigdy nie trafiłeś na jego posty, czyli nie widziałeś jego sygnaturki. Czyli nie byłby dobrym członkiem kampanii. Wydaje mi się, że jest to kluczowy parametr dla managera.

Nigdy lub tylko raz spotkałem 1/4 uczestników kampanii. W tej i poprzedniej rekrutacji przyjęto osoby udzielające się na lokalu indonezyjskim. Raczej też tam nie zaglądasz Wink Wiem, akurat ten przypadek jest trochę na siłę. Nie zaglądam do Press, Mining i Economics, a tam pewnie większość się udziela.

Kolejna sprawa dla mnie to pozycja na BTT. Z 5 wymienionych mamy 1 osobę ze staff, 3x DT1, 2xDT2, 2x merit source. Tacy użytkownicy to +10 do zaufania reklamowanej platwormy.

Większość użytkowników raczej nie wie kto jest członkiem DT, a co dopiero merit source, gdzie nie każdy został wykryty.
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