Devcoin daemon and qt wallet source code
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Devcoin integration/staging tree

Copyright (c) 2011-2014 Devcoin Developers

What is Devcoin?

Devcoin is a experimental digital currency that enables instant payments to anyone, anywhere in the world. Devcoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Devcoin is also the name of the open source software which enables the use of this currency.

It is an ethically inspired cryptocurrency created in 2011 to support open source projects by programmers, hardware developers, writers, musicians, painters, graphic artists and filmmakers worldwide.

Devcoin is merge mined with Bitcoin making it one of the longest running blockchain based digital currencies.

For more information, as well as an immediately useable, binary version of the Devcoin client sofware, see


Devcoin is released under the terms of the MIT license. See COPYING for more information or see

Development process

Developers work in their own trees, then submit pull requests when they think their feature or bug fix is ready.

If it is a simple/trivial/non-controversial change, then one of the Devcoin development team members simply pulls it.

If it is a more complicated or potentially controversial change, then the patch submitter will be asked to start a discussion (if they haven't already) on the Devcoin forum current at

The fork will be accepted if there is broad consensus that it is a good thing. Developers should expect to rework and resubmit patches if the code doesn't match the project's coding conventions (see doc/ or are controversial.

The master branch is regularly built and tested, but is not guaranteed to be completely stable.


QT Build (Statically linked)

Depedencies (you can use later version(s) if you know they are backwards compatible):

-MingW 4.8 -Boost 1.54.0 -DB 4.8.30 -OpenSSL 1.0.0d -QT 5.2.0 -Python 2.7 (installed binary) -libcurl 7.33.0 (included in src) -ActivePerl 5.16.3 Build 1603 (64 bit) (installed binary) -Miniupnpc 1.8.20131209 - -Qrencode 3.4.3 -leveldb (included in src)

Follow this quide to build on Windows and also to get idea about how to build dependencies. Also there need to be patches done to certain files (that are already done) but you can confirm, see this link:

Building Boost:

Same as tutorial

Building DB: ensure you add --enable-static field with configure

Building UPNPC: Same as tutorial

Building Qrencode: Same as tutorial

Add -static option to LDFLAGS in makefile.mingw to compile a statically linked executable. Code:

LDFLAGS=-Wl,--dynamicbase -Wl,--nxcompat -Wl,--large-address-aware -static

Building QT: Same as tutorial

The daemon code is in src/. To compile and run for win32:

cd src; make -f makefile.mingw devcoind.exe
strip devcoind.exe

To rebuild: make -f makefile.mingw clean make -f makefile.mingw devcoind.exe strip devcoind.exe

The QT code is in 'src/qt'. To compile and run the GUI for win32 (with features UPNP and QRCODE enabled):

qmake USE_QRCODE=1
make -f Makefile.release

The executable should be in the .\release directory.

If you are trying to build for other platforms please use the makefile.mingw as a base as this is the one that is tested, all compiler links and preprocessor define's are in this file and need to be ported over to other platform makefile's if they should be.