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Einsteinium Core integration/staging tree

Build Status

Repo & Branches:

The default branch is always set to the latest release or RC - for the first re-merge to Litecoin it is 0.13.x (coming soon) Releases and RCs are always tagged.

Dev branches are in place for online and offline development - contributors please create your own fork or branch

The "master" branch is currently used to rebase the latest Litecoin code - otherwise it stays untouched

The current, deprecated Einsteinium 0.9.2 wallet is available as a tagged branch as well

What is Einsteinium?

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

  • Algorithm: Scrypt PoW
  • Total Einsteinium: 299,792,458
  • Initial block value: 1024
  • Reward Reduction Method: Block Halving
  • Block Target Time: 60 seconds
  • Difficulty Re-targeting: per block (Kimoto Gravity Well)
  • RPC Port: 41879
  • P2P Port: 41878
  • Donation to the Einsteinium Charitable Fund (per block): 2%
  • Donation to to faucets, give-aways and marketing (per block): 0.5%

For more information, as well as an immediately useable, binary version of the Einsteinium Core software, see


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

Development Process

The master branch is regularly built and tested, but is not guaranteed to be completely stable. Tags //ToDo: change after first release //are created regularly to indicate new official, stable release versions of Einsteinium Core.

The contribution workflow is described in

The developer [mailing list](https://add mailing list link) should be used to discuss complicated or controversial changes before working on a patch set.

Developers can easily be reached on our Slack.


Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check

There are also regression and integration tests of the RPC interface, written in Python, that are run automatically on the build server. These tests can be run (if the test dependencies are installed) with: qa/pull-tester/

The Travis CI system makes sure that every pull request is built for Windows, Linux, and OS X, and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.


We only accept translation fixes that are submitted through Bitcoin Core's Transifex page. Translations are converted to Einsteinium periodically.

Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.

Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.