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News: Latest Bitcoin Core release: 0.17.1 [Torrent]
 
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81  Bitcoin / Development & Technical Discussion / MOVED: HELP !!!! ERROR: CheckProofOfWork() : hash doesn't match nBits on: August 08, 2017, 04:22:41 PM
This topic has been moved to Trashcan.

Duplicate thread
82  Bitcoin / Alternative clients / MOVED: Jaxx Wallet Draft a New Release today Hardware wallet support! on: August 02, 2017, 04:12:46 PM
This topic has been moved to Trashcan.

Malicious Link
83  Bitcoin / Bitcoin Technical Support / MOVED: Very odd BTC problem, need the experts help! on: August 02, 2017, 05:05:47 AM
This topic has been moved to Trashcan.

Duplicate thread
84  Other / MultiBit / MultiBit is officially abandoned and no more on: July 27, 2017, 07:47:14 AM
KeepKey, the company that has been supporting MultiBit for the past year or so, has decided to stop supporting and developing MultiBit. As many of you know, MultiBit currently has many issues which may cause a loss of funds or an inability to access your funds. With MultiBit no longer being developed, you should switch to using a different wallet software immediately.
85  Bitcoin / Bitcoin Technical Support / MOVED: brute-forcing a BIP39 mnemonic seed passphrase on: July 22, 2017, 04:31:09 PM
This topic has been moved to Trashcan.

Duplicate thread
86  Bitcoin / Project Development / btcforkmonitor.info: a place to see if a fork has happened on: July 18, 2017, 05:37:23 PM
Check out the website here: https://www.btcforkmonitor.info/

This is a website that I put together over the weekend in preparation of potential BIP 91 activation and BIP 148 activation. If the site detects a chain fork, there will be a big red alert at the top saying as such. Each node will also include the block hash and height at which the chain that it is following diverged from another node's chain. In the event of multiple chain forks, the most recent one will be shown for each node.

The website will consider any chain split of 2 or more blocks deep as a chain split. This is to avoid cases of orphaned blocks and of latency between the nodes.

The website will update its data from the nodes every 10 seconds. However you will need to refresh the page to see if there has been any changes.



The source code for this website is available at https://github.com/achow101/forkmon. Pull requests are welcome.

The website and its source code is licensed under the MIT License.
87  Bitcoin / Bitcoin Discussion / About the "Unknown block versions being mined!" warning on: July 17, 2017, 10:20:29 PM
If you are using Bitcoin Core and derivative software, then you may have noticed that there is now a warning that states:
Quote
Warning: Unknown block versions being mined! It's possible unknown rules are in effect

This warning will appear at the top of the Bitcoin Core GUI and reported in the errors or warnings field of the getinfo, getnetworkinfo, and getmininginfo RPC commands.

This warning is triggered when more than 50 of the last 100 blocks have a version number that Bitcoin Core does not expect. Currently that is being triggered by miners mining for BIP 91 (aka the first half of segwit2x). These miners are setting bit 4 of the block version field, and Bitcoin Core does not expect this to be set.

The version numbers that Bitcoin Core expects are 0x20000000 (536870912) and 0x20000002 (536870914). The unexpected version numbers currently are 0x20000012 (536870930) and 0x20000010 (536870928).

Currently this warning is benign as there is no fork and no new network rules have activated. Your coins are not at risk.
88  Bitcoin / Development & Technical Discussion / MOVED: Creating a GLOBAL ONLINE STORE (strange letter) on: July 08, 2017, 09:19:16 PM
This topic has been moved to Trashcan.

Duplicate
89  Bitcoin / Development & Technical Discussion / MOVED: Loan for Steam Game Accounts? on: June 19, 2017, 12:00:43 AM
This topic has been moved to Trashcan.

Duplicate
90  Bitcoin / Bitcoin Technical Support / MOVED: Payments and Mining Issue on: June 17, 2017, 10:49:53 PM
This topic has been moved to Trashcan.

Begging
91  Bitcoin / Development & Technical Discussion / MOVED: The Best Place To Earn Bitcoins. on: June 17, 2017, 04:24:05 PM
This topic has been moved to Trashcan.

Reflinks are not allowed
92  Bitcoin / Bitcoin Discussion / Bitcoin Core 0.14.2 Released on: June 17, 2017, 03:45:50 PM
Bitcoin Core version 0.14.2 is now available from:

  <https://bitcoin.org/bin/bitcoin-core-0.14.2/>

This is a new minor version release, including various bugfixes and
performance improvements, as well as updated translations.

Please report bugs using the issue tracker at github:

  <https://github.com/bitcoin/bitcoin/issues>

To receive security and update notifications, please subscribe to:

  <https://bitcoincore.org/en/list/announcements/join/>

Compatibility
==============

Bitcoin Core is extensively tested on multiple operating systems using
the Linux kernel, macOS 10.8+, and Windows Vista and later.

Microsoft ended support for Windows XP on [April 8th, 2014](https://www.microsoft.com/en-us/WindowsForBusiness/end-of-xp-support),
No attempt is made to prevent installing or running the software on Windows XP, you
can still do so at your own risk but be aware that there are known instabilities and issues.
Please do not report issues about Windows XP to the issue tracker.

Bitcoin Core should also work on most other Unix-like systems but is not
frequently tested on them.

Notable changes
===============

miniupnp CVE-2017-8798
----------------------------

Bundled miniupnpc was updated to 2.0.20170509. This fixes an integer signedness error
(present in MiniUPnPc v1.4.20101221 through v2.0) that allows remote attackers
(within the LAN) to cause a denial of service or possibly have unspecified
other impact.

This only affects users that have explicitly enabled UPnP through the GUI
setting or through the `-upnp` option, as since the last UPnP vulnerability
(in Bitcoin Core 0.10.3) it has been disabled by default.

If you use this option, it is recommended to upgrade to this version as soon as
possible.

Known Bugs
==========

Since 0.14.0 the approximate transaction fee shown in Bitcoin-Qt when using coin
control and smart fee estimation does not reflect any change in target from the
smart fee slider. It will only present an approximate fee calculated using the
default target. The fee calculated using the correct target is still applied to
the transaction and shown in the final send confirmation dialog.

0.14.2 Change log
=================

Detailed release notes follow. This overview includes changes that affect
behavior, not code moves, refactors and string updates. For convenience in locating
the code changes and accompanying discussion, both the pull request and
git merge commit are mentioned.

### RPC and other APIs
- #10410 `321419b` Fix importwallet edge case rescan bug (ryanofsky)

### P2P protocol and network code
- #10424 `37a8fc5` Populate services in GetLocalAddress (morcos)
- #10441 `9e3ad50` Only enforce expected services for half of outgoing connections (theuni)

### Build system
- #10414 `ffb0c4b` miniupnpc 2.0.20170509 (fanquake)
- #10228 `ae479bc` Regenerate bitcoin-config.h as necessary (theuni)

### Miscellaneous
- #10245 `44a17f2` Minor fix in build documentation for FreeBSD 11 (shigeya)
- #10215 `0aee4a1` Check interruptNet during dnsseed lookups (TheBlueMatt)

### GUI
- #10231 `1e936d7` Reduce a significant cs_main lock freeze (jonasschnelli)

### Wallet
- #10294 `1847642` Unset change position when there is no change (instagibbs)

Credits
=======

Thanks to everyone who directly contributed to this release:

- Alex Morcos
- Cory Fields
- fanquake
- Gregory Sanders
- Jonas Schnelli
- Matt Corallo
- Russell Yanofsky
- Shigeya Suzuki
- Wladimir J. van der Laan

As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/bitcoin/).

93  Bitcoin / Development & Technical Discussion / MOVED: [GUIDE] Raspberry Pi 3 with WD PiDrive 1TB - UASF BIP-148 Bitcoin Full Node on: June 11, 2017, 04:36:07 PM
This topic has been moved to Trashcan.

Duplicate
94  Bitcoin / Bitcoin Technical Support / MOVED: First time buying BTC, please help. on: May 24, 2017, 03:18:13 PM
This topic has been moved to Trashcan.

Removed upon request
95  Bitcoin / Development & Technical Discussion / MOVED: Fog computeing on: May 21, 2017, 04:20:19 AM
This topic has been moved to Trashcan.

Link Shortener, spam, off topic
96  Bitcoin / Bitcoin Technical Support / MOVED: forgot blockchain password, second password .. BUT i have data saved on: May 18, 2017, 08:29:31 PM
This topic has been moved to Trashcan.

Duplicate thread
97  Bitcoin / Bitcoin Technical Support / MOVED: How to sign a message with Bitcoin Private Key? on: May 14, 2017, 04:02:01 PM
This topic has been moved to Trashcan.

https://bitcointalk.org/index.php?topic=1917697.0

Duplicate. Off topic
98  Economy / Web Wallets / About blockchain.info's web wallet and "stuck" transactions on: May 12, 2017, 07:43:38 PM
Blockchain.info's web wallet is considered a poorly written wallet and is seemingly incapable of sending proper transactions with correct transaction fees and confirmed inputs. If you are using blockchain.info's web wallet and your transaction is stuck, it is almost definitely because the transaction fee is too low (at 120 sat/byte which seems to be blockchain.info's default fee rate even though it is much too low) or because you are spending from other unconfirmed transactions.

If you are using blockchain.info's web wallet, unfortunately you won't be able to attempt RBF or CPFP transactions as blockchain.info does not provide the advanced functionality to make those transactions. All you can do is ask miners for help and wait. For asking miners for help:
Ask a miner for help

Some mining pools and miners offer services to allow you to prioritize your transaction in their mempool so that it is chosen sooner for inclusion in a block. You can contact the users Quickseller and macbook-air. These two users have access to F2Pool's transaction selector and they can help you with confirming your stuck transaction. You can also try using https://www.viabtc.com/tools/txaccelerator/ to "accelerate" your transaction. Note that ViaBTC does have a limit the accelerator to 100 transactions every hour and requires that it pays a minimum fee rate of 10 satoshis/byte, so their accelerator may not necessarily work.

To avoid this problem in the future, stop using blockchain.info. Instead switch to any wallet listed on Bitcoin.org and has one of the following texts regarding how the wallet handles transaction fees:
Quote
Full control over fees
Quote
Dynamic fee with override
Quote
Dynamic fee suggestions
Any wallet which has one of these texts for in their descriptions (with the color and bolding) will support dynamic fees and allow you to make transactions with proper fee rates.
99  Bitcoin / Bitcoin Technical Support / [READ] About blockchain.info's web wallet and "stuck" transactions on: May 12, 2017, 07:42:06 PM
Firstly, DO NOT POST ISSUES RELATED TO BLOCKCHAIN.INFO (including "stuck" transactions made with their wallet) HERE! If you do, your thread will be moved to the Web Wallets section.

Blockchain.info's web wallet is considered a poorly written wallet and is seemingly incapable of sending proper transactions with correct transaction fees and confirmed inputs. If you are using blockchain.info's web wallet and your transaction is stuck, it is almost definitely because the transaction fee is too low (at 120 sat/byte which seems to be blockchain.info's default fee rate even though it is much too low) or because you are spending from other unconfirmed transactions.

If you are using blockchain.info's web wallet, unfortunately you won't be able to attempt RBF or CPFP transactions as blockchain.info does not provide the advanced functionality to make those transactions. All you can do is ask miners for help and wait. For asking miners for help:
Ask a miner for help

Some mining pools and miners offer services to allow you to prioritize your transaction in their mempool so that it is chosen sooner for inclusion in a block. You can contact the users Quickseller and macbook-air. These two users have access to F2Pool's transaction selector and they can help you with confirming your stuck transaction. You can also try using https://www.viabtc.com/tools/txaccelerator/ to "accelerate" your transaction. Note that ViaBTC does have a limit the accelerator to 100 transactions every hour and requires that it pays a minimum fee rate of 10 satoshis/byte, so their accelerator may not necessarily work.

To avoid this problem in the future, stop using blockchain.info. Instead switch to any wallet listed on Bitcoin.org and has one of the following texts regarding how the wallet handles transaction fees:
Quote
Full control over fees
Quote
Dynamic fee with override
Quote
Dynamic fee suggestions
Any wallet which has one of these texts for in their descriptions (with the color and bolding) will support dynamic fees and allow you to make transactions with proper fee rates.
100  Bitcoin / Bitcoin Technical Support / MOVED: I will pay to have transaction confirmed.. on: May 11, 2017, 07:21:38 PM
This topic has been moved to Trashcan.

https://bitcointalk.org/index.php?topic=1912976.0

Basically a duplicate.
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