bitcoind - How to connect to a remote Bitcoin Core ...

Ubuntu PPA Bitcoin Unlimited repositories updated to ver 1.0.1.3

This version of BU include the fix to the remote crash exploit that was used today against Bitcoin Unlimited nodes.
If you've installed BU via PPA in the past just issue:
sudo apt-get update sudo apt-get upgrade 
(use dist-upgrade if apt says that bitcoind and bitocoinqt have been kept back)
If you are installing for the first time just execute these commands:
sudo apt-get install software-properties-common sudo add-apt-repository ppa:bitcoin-unlimited/bu-ppa sudo apt-get update sudo apt-get install bitcoind bitcoin-qt 
The repo supports these Ubuntu version:
And these archs:
submitted by s1ckpig to btc [link] [comments]

Ubuntu PPA Bitcoin Unlimited repositories updated to ver 1.0.1.1! (Fix Remote Crash)

This version of BU include the fix to the remote crash exploit that was used today against Bitcoin Unlimited nodes.
If you've installed BU via PPA in the past just issue:
sudo apt-get update sudo apt-get upgrade
If you are installing for the first time just execute these commands:
sudo apt-get install software-properties-common sudo add-apt-repository ppa:bitcoin-unlimited/bu-ppa sudo apt-get update sudo apt-get install bitcoind bitcoin-qt 
The repo supports these Ubuntu version:
And these archs:
submitted by s1ckpig to btc [link] [comments]

Uniwallet, a wallet for a of your altcoins :)

*Uniwallet, a wallet for all of your altcoins, sorry for the mistake
TL;DR: A wallet for all of your altcoins, working with a system of plugins and automatic updates. See bottom link for official thread.
**
More and more altcoins are being made. It's getting confusing on your computer if you - like me - have many different cryptocurrencies wallets installed. Keeping track of your transactions, account balance and many other things between your Bitcoins, Litecoins, Dogecoins, *Coin wallets is getting tiring and messy. It also goes without saying that downloading the whole blockchain each time you want to try new coins is unacceptable, with its size growing more and more each day. Your time is valuable and wasting it by waiting a whole day before using your wallet is intolerable, I think you will agree with me on this one.
Uniwallet solves all of these problems.
**

What is Uniwallet?

Uniwallet is a frontend application currently in developpement that will allow you to manage from one simple interface all of your bitcoins and altcoins transactions, addresses, etc.. Designed to be simple with functions like automatic subwallet update detection (and installation upon confirmation), it will be extremely secure and rely directly on the *coind programs and secure server connexion (see the section below). If you trust your Qt wallet, then you trust Uniwallet, since they use the same software for transactions. Also, as I said, a system of plugins is implemented. That means that anybody who wants to see their coins supported by Uniwallet can just write a plugin for it, which should be easy.
**

How does it works?

Two methods of operation are available, server-side and client-side. Your wallet files are always stored on your computer in specific directories, regardless of which operation mode you choose. A plugin system for adding subwallets to Uniwallet ensure that it's easy to use new currencies, and blockchains are downloaded from the server directly to your wallets if it is your desire (negates the wait time, makes "plug-and-play" wallets).
>Server-side operation: Transaction softwares (bitcoind, litecoind, *coind) are on a remote server and their use is shared amongst all Uniwallet users. Transactions are made using the Raw Transactions API coupled with RPC, and a secure connexion to the server is used to protect any data. Security is a priority!
>Client-side operation: You specify where on your computer transaction softwares (bitcoind, litecoind, *coind) are located, and everything related to your transactions is handled localy (without a remote server).
**
Of course, this project is still in its early phase and many things may change with time. Here's the official thread on the bitcointalk forums, and here is the thread that started it all on a lonely Dec. 30. :)
If you are interested in investing, tell me! I may put up donation addresses or a kickstarter.
submitted by MisterGuacamole to dogecoin [link] [comments]

" Bitcoin bad " [ participating ] Heartbleed vulnerability affects bitcoins ... ( Chinese hackers published technical affirm ) - Transfer from Bitcoin first Chinese community -

weibo: http://weibo.com/5107450688/B0Kv8hLAk
BBS: http://bbs.btcman.com/forum.php?mod=viewthread&tid=17782&page=1&extra=#pid82563#0-tsina-1-83270-397232819ff9a47a7b7e80a40613cfe1
Heartbleed vulnerability affects bitcoin ... let the brother in person to tell you how dangerous loophole Heartbleed
Disclaimer: This article caused by subsequent exposure , at your own liability .
Author : btcrobot
Contribute BTC: 1NDnnWCUu926z4wxA3sNBGYWNQD3mKyes8 Originally wanted to write articles related articles side chains , but feel deep enough , the other seems a bit of a MM Frank wrote , brother does not like re- nonsense, direct point of security-related today . . . . .
Evil octal dividing line . . . . . . . . . . . .
About Heartbleed loopholes, as a bit of people , must be sensitive to , ah, brother of the first time I felt vulnerability unlimited , ideas unlimited , unlimited play , as to get rid of xxx, it needs Martian guts , brother still relatively conservative , but in another way detour and the line, this is just to let you experience the next :
Steps are as follows :
1 find various bits coins, currency cottage client IP address , find a specific port, which enable SSL
Get bitcoin client ip installed two ways :
1 Download a qt-bitcoin client, open debug.log, ok it collects inside IP
2014-04-21 01:53:27 init message: loading is complete 2014-04-21 01:53:27 Initialization result: 1 2014-04-21 01:53:28 ERROR: GetMyExternalIP (): connection closed 2014-04-21 01:53:28 receive version message: / Satoshi: 0.8.5 /: version 70001, blocks = 296904, us = 219.147.23.114:1650, them = 58.64.155.69:8333, peer = 58.64.155.69 : 8333 2014-04-21 01:53:28 Added time data, samples 2, offset -6 (+0 minutes) 2014-04-21 01:53:33 ERROR: GetMyExternalIP (): connection to 74.208.43.192:80 failed 2014-04-21 01:53:35 receive version message: / Satoshi: 0.8.2.2 /: version 70001, blocks = 296904, us = 219.147.23.114:1657, them = 192.155.81.62:8333, peer = 192.155.81.62 : 8333 2014-04-21 01:53:35 Added time data, samples 3, offset -13 (+0 minutes) 2014-04-21 01:53:35 No valid UPnP IGDs found 2014-04-21 01:53:35 upnp thread exit 2014-04-21 01:53:36 receive version message: / Satoshi: 0.8.5 /: version 70001, blocks = 296904, us = 219.147.23.114:1659, them = 194.71.109.94:8333, peer = 194.71.109.94 : 8333 2014-04-21 01:53:36 Added time data, samples 4, offset +12 (+0 minutes) 2014-04-21 01:53:36 socket recv error 10054 2014-04-21 01:53:41 ERROR: GetMyExternalIP (): connection closed 2014-04-21 01:53:48 receive version message: / Satoshi: 0.9.99 /: version 70002, blocks = 296904, us = 219.147.23.114:1680, them = 71.13.251.162:8333, peer = 71.13.251.162 : 8333 2014-04-21 01:53:48 Added time data, samples 5, offset -12 (+0 minutes) 2014-04-21 01:53:48 nTimeOffset = -6 (+0 minutes) 2014-04-21 01:53:48 ERROR: GetMyExternalIP (): connection to 212.117.175.194:80 failed 2014-04-21 01:53:48 ext-ip thread exit 2014-04-21 01:53:49 receive version message: / Satoshi: 0.9.1 /: version 70002, blocks = 296904, us = 219.147.23.114:1681, them = 68.151.120.205:8333, peer = 68.151.120.205 : 8333 2014-04-21 01:53:49 Added time data, samples 6, offset -13 (+0 minutes) 2014-04-21 01:53:50 receive version message: / Satoshi: 0.9.0 /: version 70002, blocks = 296904, us = 219.147.23.114:1682, them = 88.178.92.109:8333, peer = 88.178.92.109 : 8333 2014-04-21 01:53:50 Added time data, samples 7, offset -12 (+0 minutes) 2014-04-21 01:53:50 nTimeOffset = -12 (+0 minutes)
Look at these IP right, gather next :)
2 Use blockchain, this can cause huge point , opening https://blockchain.info/zh-cn/connected-nodes
Not only know the IP, and intuitively know the client version used for those versions vulnerable , silent, huh. .
file :/ / / C: \ DOCUME ~ 1 \ ADMINI ~ 1 \ LOCALS ~ 1 \ Temp \ ksohtml \ wps_clip_image-28929.png
3 write a small crawler , automated constantly crawl the IP, NG saved as a file in the following format , do not ask me to code. . . Their play to 193.109.68.62 212.3.147.37 Xxx Yyy . . . .
4 Improved bleed procedures through the entire document , well, to the point code
func readLines (path string) ([] string, error) { file, err: = os.Open (path) if err! = nil { return nil, err .... 00000580 32 32 2d 31 33 39 32 38 39 37 31 31 31 30 30 30 | 22-1392897111000 | ........
| onnection: keep-| | alive .. If-Modifi | | ed-Since: Fri, 1 | | 1 Apr 2014 10:35 | |: 05 GMT ........; | | `...... ~ 9D .. X. .. |
https://5.9.121.236/login/
If 443 , if it is a server , I rely on you regularly collect it, pattern matching. . . . Bypass to the other , web springboard , and the like . . . If ssl + rpc, broken rpc, if not set the wallet password, and then send a command transfer bitcoins , oh, my god ...
Bitcoins are so cottage currency would not have said that if there is 443 loopholes still be out of every minute . . .
heartbleed bitcoin client to attack , in the case of open rpc protocol , using ssl certification, can be attacked . This is the vast majority of the server program will open options. Individual users should not panic. . . .
Well, not much to say , and you figure it out , and quickly upgrade it, rose no harm ! ! ! ! The key is to site users , exchanges, router port mapping is also careful. .
Disclaimer: purely technical discussion, in fact, I guess black circle know. . . Sent to run the risk of being accused of a two-way . . . You feel for it. .
https://bitcoin.org/en/alert/2014-04-11-heartbleed
OpenSSL Heartbleed vulnerability 11 April 2014What happened The version of OpenSSL used by Bitcoin Core software version 0.9.0 and earlier contains a bug that can reveal memory to a remote attacker. See http://heartbleed.com/ for details. What you should do Immediately upgrade to Bitcoin Core version 0.9.1 which is linked against OpenSSL version 1.0.1g. If you use the official binaries, you can verify the version of OpenSSL being used from the Bitcoin Core GUI's Debug window (accessed from the Help menu). If you compiled Bitcoin Core yourself or use the Ubuntu PPA, update your system's OpenSSL. Linux users should also upgrade their system's version of OpenSSL. Android Android version 4.1.1 is vulnerable to Heartbleed. Try if you can upgrade to at least Android 4.1.2. If you are using Bitcoin Wallet on an Android phone, you should upgrade the app to at least version 3.45. How serious is the risk If you are using the Windows version of the Bitcoin Core GUI without a wallet passphrase, it is possible that your wallet could be compromised by clicking on a bitcoin:. Payment request link If you are using bitcoind (on Linux, OSX, or Windows) , have enabled the-rpcssl option, and allow RPC connections from the Internet, an attacker from a whitelisted (-allowip) IP address can very likely discover the rpcpassword and the last rpc request. It is possible (but unlikely) private keys could be sent to the attacker.
submitted by 51btc to Bitcoin [link] [comments]

Armory requires me to have bitcoin core installed to run, but why not just use bitcoin core wallet? Do I need both?

I could never get Armory to run right anyway, but I'd like to have a local wallet instead of one relaying on a remote one like coinbase. Since I have bitcoin core-qt installed (it came with the bitcoind) as part of the infrastructure I needed to install Armory, should I bother trying to get Armory to run?
submitted by AkumaBengoshi to Bitcoin [link] [comments]

Uniwallet, a wallet for all of your altcoins!

*Uniwallet, a wallet for all of your altcoins, sorry for the mistake
TL;DR: A wallet for all of your altcoins, working with a system of plugins and automatic updates. See bottom link for official thread.
**
More and more altcoins are being made. It's getting confusing on your computer if you - like me - have many different cryptocurrencies wallets installed. Keeping track of your transactions, account balance and many other things between your Bitcoins, Litecoins, Dogecoins, *Coin wallets is getting tiring and messy. It also goes without saying that downloading the whole blockchain each time you want to try new coins is unacceptable, with its size growing more and more each day. Your time is valuable and wasting it by waiting a whole day before using your wallet is intolerable, I think you will agree with me on this one.
Uniwallet solves all of these problems.
**

What is Uniwallet?

Uniwallet is a frontend application currently in developpement that will allow you to manage from one simple interface all of your bitcoins and altcoins transactions, addresses, etc.. Designed to be simple with functions like automatic subwallet update detection (and installation upon confirmation), it will be extremely secure and rely directly on the *coind programs and secure server connexion (see the section below). If you trust your Qt wallet, then you trust Uniwallet, since they use the same software for transactions. Also, as I said, a system of plugins is implemented. That means that anybody who wants to see their coins supported by Uniwallet can just write a plugin for it, which should be easy.
**

How does it works?

Two methods of operation are available, server-side and client-side. Your wallet files are always stored on your computer in specific directories, regardless of which operation mode you choose. A plugin system for adding subwallets to Uniwallet ensure that it's easy to use new currencies, and blockchains are downloaded from the server directly to your wallets if it is your desire (negates the wait time, makes "plug-and-play" wallets).
>Server-side operation: Transaction softwares (bitcoind, litecoind, *coind) are on a remote server and their use is shared amongst all Uniwallet users. Transactions are made using the Raw Transactions API coupled with RPC, and a secure connexion to the server is used to protect any data. Security is a priority!
>Client-side operation: You specify where on your computer transaction softwares (bitcoind, litecoind, *coind) are located, and everything related to your transactions is handled localy (without a remote server).
**
Of course, this project is still in its early phase and many things may change with time. Here's the official thread on the bitcointalk forums, and here is the thread that started it all on a lonely Dec. 30. :)
If you are interested in investing, tell me! I may put up donation addresses or a kickstarter.
submitted by MisterGuacamole to QuarkCoin [link] [comments]

UNIWALLET: a single wallet for all of your coins

TL;DR: A wallet for all of your altcoins, working with a system of plugins and automatic updates. See bottom link for official thread.
**
More and more altcoins are being made. It's getting confusing on your computer if you - like me - have many different cryptocurrencies wallets installed. Keeping track of your transactions, account balance and many other things between your Bitcoins, Litecoins, Dogecoins, *Coin wallets is getting tiring and messy. It also goes without saying that downloading the whole blockchain each time you want to try new coins is unacceptable, with its size growing more and more each day. Your time is valuable and wasting it by waiting a whole day before using your wallet is intolerable, I think you will agree with me on this one.
Uniwallet solves all of these problems.
**

What is Uniwallet?

Uniwallet is a frontend application currently in developpement that will allow you to manage from one simple interface all of your bitcoins and altcoins transactions, addresses, etc.. Designed to be simple with functions like automatic subwallet update detection (and installation upon confirmation), it will be extremely secure and rely directly on the *coind programs and secure server connexion (see the section below). If you trust your Qt wallet, then you trust Uniwallet, since they use the same software for transactions. Also, as I said, a system of plugins is implemented. That means that anybody who wants to see their coins supported by Uniwallet can just write a plugin for it, which should be easy.
**

How does it works?

Two methods of operation are available, server-side and client-side. Your wallet files are always stored on your computer in specific directories, regardless of which operation mode you choose. A plugin system for adding subwallets to Uniwallet ensure that it's easy to use new currencies, and blockchains are downloaded from the server directly to your wallets if it is your desire (negates the wait time, makes "plug-and-play" wallets).
>Server-side operation: Transaction softwares (bitcoind, litecoind, *coind) are on a remote server and their use is shared amongst all Uniwallet users. Transactions are made using the Raw Transactions API coupled with RPC, and a secure connexion to the server is used to protect any data. Security is a priority!
>Client-side operation: You specify where on your computer transaction softwares (bitcoind, litecoind, *coind) are located, and everything related to your transactions is handled localy (without a remote server).
**
Of course, this project is still in its early phase and many things may change with time. Here's the official thread on the bitcointalk forums, and here is the thread that started it all on a lonely Dec. 30. :)
If you are interested in investing, tell me! I may put up donation addresses or a kickstarter.
submitted by MisterGuacamole to Bitcoin [link] [comments]

Getting your Private Keys from the Bitcoin Core wallet ... Programming Bitcoin-qt using the RPC api (1 of 6) How to run Bitcoin-qt as a server with a configuration file (3 of 6) bitcoin-cli and bitcoind - Breaking Down Bitcoin Ep. 2 JSON RPC Calls with Bitcoin qt (4 of 6)

Bitcoin software has both a graphical interface called bitcoin-qt and a console interface, bitcoind. If the first is convenient for human use, then without a text it is quite difficult to make an online store or any other service that accepts bitcoins as a payment. About it and speech will go. To work you need to run one instance of bitcoin as a daemon, so he worked as a full-fledged host on ... Bitcoin Core (formerly Bitcoin-Qt) is the third Bitcoin client, developed by Wladimir van der Laan based on the original reference code by Satoshi Nakamoto. It has been bundled with bitcoind since version 0.5. Bitcoin-Qt has been rebranded to Bitcoin Core since version 0.9.0 .. Bitcoin Core can be used as a desktop client for regular payments or as a server utility for merchants and other ... DISPLAY=:7 bitcoin-qt Press CTRL+C in this window and don't close it: xpra start :7 Issue this command in the SSH session to the server: xpra stop :7 And finally start your Bitcoin Core daemon again with or without a wallet: bitcoind -daemon -disablewallet share improve this answer follow edited Nov 28 '16 at 9:44. answered May 27 '16 at 9:36. LinuxSecurityFreak LinuxSecurityFreak. 465 5 ... Bitcoin Core is a community-driven free software project, released under the MIT license. Verify release signatures Download torrent Source code Show version history. Bitcoin Core Release Signing Keys v0.8.6 - 0.9.2.1 v0.9.3 - 0.10.2 v0.11.0+ Or choose your operating system. Windows exe - zip. Mac OS X dmg - tar.gz. Linux (tgz) 64 bit. ARM Linux 64 bit - 32 bit. Linux (Snap Store) Support ... Browsing the bitcoin-qt.exe process memory using a tool such as HxD though, shows that part of the wallet password was still in memory. This could potentially be an issue if a remote exploit is found in bitcoin-qt/bitcoind that allows a remote attacker to read the bitcoin-qt process memory. As a user I expected my locked wallet to not have its ...

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Getting your Private Keys from the Bitcoin Core wallet ...

In this tutorial we are going to get our private keys from the bitcoin core wallet. This only works when you created the bitcoin address in the same wallet. ... Programming Bitcoin-qt using the RPC api (1 of 6) - Duration: 3:17. Lars Holdgaard 4,609 views. 3:17. Bitcoin-QT wallet review - Duration: 8:53. Secure Your Wallet Recommended for you. 8:53 . Web ... Bitcoin-QT is a Bitcoin wallet and does some other functions. Running this software is the backbone to the entire Bitcoin system. You may need to open port 8333 in your firewall. For more info see We cover chapter 3 of Andreas Antonopoulos' book Mastering Bitcoin. Featured are examples of bitcoin-cli commands, and simple Python scripts to interact with the bitcoin blockchain. Referenced links: How to run Bitcoin-qt as a server with a configuration file (3 of 6)

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