http://i.imgur.com/OmKz2J1.png Specifications

* Super secure hashing: 9 rounds of hashing from 6 hashing functions (blake, bmw, groestl, jh, keccak, skein). 3 rounds apply a random hashing function.
* CPU mining
* Quick block generation: 30 seconds
* 2048 QRK per block (halving every 60480 blocks ~ 3 weeks)
* Block reward will never drop below 1 QRK
* Total of 247 million QRK will be mined in ~ 6 months, after that ~ 1 million QRK p.a. (~ 0.5% p.a inflation)
* Difficulty retargets every 20 blocks (maximum 10% up or 50% down)

http://i.imgur.com/OmKz2J1.png Downloads

Source code:
https://github.com/MaxGuevara/quark

Windows Qt wallet:
http://www.quarkcoin.com/quarkcoin083r3win.zip
http://download.qrkblock.com/quarkcoin083r3win.zip
https://drive.google.com/file/d/0ByuuhJDWrO0wdWl5Qms1ZHRkOXM/edit?usp=sharing
    File hashes:
        md5 ed0dbc49bdc1e0d7cef3acd043d90f20   
        sha1 042dd72da0c3d93f5f1ab71a781d63cedf50a4d7   
        sha256 9d2970965789c2e144f0faedc2b0b25ed6012804274d56c14b778a2056d33d12   

Linux Qt wallet (x64)
https://docs.google.com/file/d/0ByuuhJDWrO0wbWVjN056bkdtTzQ/edit?usp=sharing
    File hashes:
        md5 6260d0fb4aacaf8dac5dc3718a03b108   
        sha1 dd0270e89d3c15a2bb9832d1441857fb1c528a3d   
        sha256 908683382c6de75ad2da26b701a41c7ebb87f2de00982647ecfecdc3e254b7f2   

Max OSX wallet (Built by maxpower)
https://www.dropbox.com/s/uwfy0rqd3x74o1u/Quarkcoin-Qt-0.8.30-1-Mac.zip

21 Nov 2013 - Github source code updated with checkpoint.
04 Aug 2013 - Github source code updated with checkpoint.

http://i.imgur.com/OmKz2J1.png Standalone miners

Neisklar's Quark version of CPU Miner (source code): https://github.com/Neisklar/quarkcoin-cpuminer
Original release of Neisklar's Quark CPU Miner (source code) - https://docs.google.com/file/d/0ByuuhJDWrO0wVXhULTFEOWMtaTQ/edit?usp=sharing
Stonefoz's miner (source code) - http://stonefoz.myfastmail.com/cpuminer-quark.zip http://stonefoz.myfastmail.com/cpuminer-quark2.zip
Smolen's GPU miner thread - https://bitcointalk.org/index.php?topic=310975.0

http://i.imgur.com/OmKz2J1.png Web site

http://www.quarkcoin.com/
Forum - http://forum.qrk.cc/

http://i.imgur.com/OmKz2J1.png Mining instructions

* Launch your wallet with -gen=1, or add "gen=1" to your quarkcoin.conf file, or type "setgenerate true -1" from the debug console
* See here for a VPS mining guide: https://bitcointalk.org/index.php?topic=264866.0
* Various optimised standalone miners available

http://i.imgur.com/OmKz2J1.png Example quarkcoin.conf file

listen=1
maxconnections=80
gen=1
genproclimit=-1
rpcuser=myusername
rpcpassword=mypassword
rpcport=9999
server=1
daemon=1

http://i.imgur.com/OmKz2J1.png Ports

11973 Network port

Please open port 11973 on your router and post your IP here.

http://i.imgur.com/OmKz2J1.png Exchanges

Cryptsy - https://www.cryptsy.com/markets/view/71
Coins-E - https://www.coins-e.com/exchange/QRK_BTC/
BTER - https://bter.com/trade/qrk_btc

http://i.imgur.com/OmKz2J1.png Block explorer

http://176.221.46.81/chain/Quarkcoin
http://37.139.8.140/chain/Quarkcoin

http://i.imgur.com/OmKz2J1.png Pools

P2Pool - http://176.221.46.81:8372/static/
ex_mac's Pool - http://qrk.mine-pool.net/
feeleep's Pool - http://qrk.coinmine.pl/
zvs' Pool - http://nogleg.com:8372/ (Down)
eule's Pool - http://qrkpool.tk:8868/static/ (Down)

http://i.imgur.com/OmKz2J1.png Community bounties

Bounty for new websites supporting QRK as a payment method - https://bitcointalk.org/index.php?topic=325257.0
Bounty for Quark logo - https://bitcointalk.org/index.php?topic=325086.0