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Deutsche eMark [DEM]

Version 1.6.1

DNS Servers track active eMark nodes in real-time and, when queried, they give back a short list of the best nodes to connect to.

  • Adds two DNS Servers:
  1. NOTE: the Top-Level Domain (TLD) is '.CC' for "Crypto Currency"
  • Also adds some static hard-coded nodes as backup

Version 1.6.0

  • Openssl v 1.1 support
  • fix boost-1.66 incompatibilities
  • Support boost 1.70

Version 1.5.0

  • Lots of Security Patches
  • Compatibility with newest Packages
  • Update ProcessGetData for MerkleHashes on upcoming Android QT
  • faster Blockchainsync
  • nStakeMaxAge removed for staking Coins >2 Years
  • StakeSplit set to 10000 DEM
  • Orphan Blocks massivly REDUCED ! ( tested 1 Week with lots of POW/POS Wallets running simultaneously)
  • new Nodes and Checkpoints
  • TX Comments will shown up in QT Wallet

Version 1.4.0: Hardfork 15.05.2016 00.00.00 GMT

A reload the blockchain is necessary. Vesion < 1.4.0 will no longer work.

Version 1.3.0: support LevelDB

(you must reload DB, if you don´t want, version 1.1.0 works fine (BerkleyDB). Download from here) do not use Version 1.2.x. You can loose Coins

eMark specification

  • SHA256D, Proof of Work + Proof of Stake
  • max 210 Million Proof of Work Coins
  • 3.8% annual stake per year, 30 Days Coin-Age required
  • 50 coins per block
  • 2 minute block targets
  • 100 blocks to coin maturation
  • 140 Character Transaction Messaging

Mandatory Wallet Update

from 1415750400; // 12 Nov 2014 00:00:00 GMT

Wallet Version V1.0.x no longer work

Quick install Linux:


sudo apt-get install git build-essential libssl-dev libdb++-dev libboost-all-dev libprotobuf-dev libqrencode-dev libminiupnpc-dev
git clone
cd eMark/src
make -f makefile.unix
sudo cp eMarkd /usr/bin

Start with: eMarkd


sudo apt-get install qt4-dev-tools libboost-dev libboost-thread-dev libboost-program-options-dev libboost-filesystem-dev libboost-system-dev libdb++-dev libminiupnpc-dev libssl-dev
git clone
cd eMark

Start the eMark-QT wallet with: