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Bitcoin 0.9.99 BETA

Copyright © 2009-2014 Bitcoin Developers


Bitcoin Core is the original Bitcoin client and it builds the backbone of the network. However, it downloads and stores the entire history of Bitcoin transactions (which is currently several GBs); depending on the speed of your computer and network connection, the synchronization process can take anywhere from a few hours to a day or more. Thankfully you only have to do this once. If you would like the process to go faster you can download the blockchain directly.


The following are some helpful notes on how to run Bitcoin on your native platform.


You need the Qt4 run-time libraries to run Bitcoin-Qt. On Debian or Ubuntu:

sudo apt-get install libqtgui4

Unpack the files into a directory and run:

  • bin/32/bitcoin-qt (GUI, 32-bit) or bin/32/bitcoind (headless, 32-bit)
  • bin/64/bitcoin-qt (GUI, 64-bit) or bin/64/bitcoind (headless, 64-bit)


Unpack the files into a directory, and then run bitcoin-qt.exe.


Drag Bitcoin-Qt to your applications folder, and then run Bitcoin-Qt.

Need Help?


The following are developer notes on how to build Bitcoin on your native platform. They are not complete guides, but include notes on the necessary libraries, compile flags, etc.


The Bitcoin repo’s root README contains relevant information on the development process and automated testing.




Distributed under the MIT/X11 software license. This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit. This product includes cryptographic software written by Eric Young (, and UPnP software written by Thomas Bernard.