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[note: If you encrypted your wallet, you will need to type in this command before the 'importprivkey' command: walletpassphrase 'your secret password' '30']

To get coins out of a paper wallet, or cold storage, you have to add the addresses' private key to your "on network" wallet (Groestlcoin Core). After you do so, your address is no longer a paper wallet or cold storage (basically, it has been used up). Any remaining funds that you want to keep in a paper wallet or cold storage must be sent to a different cold storage address or paper wallet. You will need to download and have Groestlcoin Core running first.

Here is how to add the private key to the Groestlcoin Core (standard) wallet:
Click the "Help" menu and choose "Debug window."
Go to the "Console" tab.
Type in the command:
importprivkey 'your private key'
Press <enter> and the client will import the key.

It may take a while for it to processes. The address will show up in your "Receive Coins" addresses and becomes part of the Groestlcoin Core wallet.

note: If you encrypted your wallet, you will need to type in this command before the 'importprivkey' command:
walletpassphrase 'your secret password' '30'

Cold storage is simply having your Groestlcoins on an address where its private key is "off the network." You can do this yourself but it is a bit tricky (which is kind of the point). Keeping the private key off the network keeps your coins safe from potential hackers/viruses/malware because there is no way they can access them.
When you are ready to spend your coins on a cold storage address, you bring the private key back on the network. This makes the address part of your wallet and no longer cold storage.

Here is just one of the many ways to create cold storage addresses:
•Format a USB drive/flash drive or other kind of external storage.
•Download a fresh copy of the Groestlcoin Client wallet from http://groestlcoin.org and save it on the external storage. Virus scan the external storage. Make sure the storage is clean.
•Disconnect a computer/laptop from the network--no internet, no wi-fi, etc.
•Format the computer and re-install the OS - This insures there is no malware on your computer.
•Install Groestlcoin from the external storage.
•Run Groestlcoin. It will try to sync to the network, but it can't because the computer is off the internet.
•Click on the receive tab to show your Groestlcoin address.
•If you want more than one cold storage address, click the "New Address" button.
•Copy the Groestlcoin address in memory--to paste it later
•Click the "Help" menu and open the "Debug Window."
•Switch over to the "Console" tab.
•Type in this command and paste in your address where noted: dumpprivkey <address>
•Copy and paste your address and the resulting Private Key into a text editor (like notepad).
•Repeat copying and pasting the keys and addresses until you feel you have enough.
•Print and Save this text file to the external storage.
•Done! Format the computer again.

Congratulations you now have your very own Cold Storage Address that has never been connected to the Internet. There are other ways to do it, but this is probably the most secure way.
You now hold two copies in your hand, the text file on the external storage device and a printed copy. Store both in a secure location--or in separate locations for better security.

Three things that are extremely important about cold storage addresses:
•Anyone who can get your private key can spend your coins on that address.
•You can not recover your coins if you lose the private key.
•Security is never 100% guaranteed. You coins are as only safe as you make them.
So make sure you keep it safe, but also make sure you can get it back.
Also highly recommended: Test the entire process with a very small amount. Make sure the whole process works and that you understand it before you put your life's savings in there.

Enjoy your cold storage.

Just to let you all know the great news! Groestlcoin is now officially on coinpayments.net. You can see us here:
www.coinpayments.net/index.php?cmd=supported_coins

Thanks to all you guys (especially everyone on the QQ Group) that have supported us! We have just taken 1 giant leap forward tonight but it is only the beginning! Stay tuned for more news!

Also guys here is the list of stores that are part of the coinpayments program, feel free to contact them all and let them know that Groestlcoin is accepted by coinpayments now. So let's get out there and introduce a whole lot of new merchants to Groestlcoin and get them on board:
www.coinpayments.net/index.php?cmd=directory

This is it guys, spread the word! A giant door has been opened for us, all you need to do is walk on through.

[The following were tested in Ubuntu 14.04, Ubuntu 16.04 and Ubuntu 18.04]

The following were tested in Ubuntu 14.04, Ubuntu 16.04 and Ubuntu 18.04, some dependencies can be different in other distros

• sudo apt-get update -y && sudo apt-get upgrade -y && sudo apt-get dist-upgrade -y
• sudo apt-get install build-essential libssl-dev libboost-all-dev libdb5.3 libdb5.3-dev libdb5.3++-dev libtool automake libevent-dev bsdmainutils -y
• sudo apt-get install git ntp make g++ gcc autoconf cpp ngrep iftop sysstat autotools-dev pkg-config libminiupnpc-dev libzmq3-dev -y
• sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler libqrencode-dev -y
• git clone https://github.com/groestlcoin/groestlcoin
• cd groestlcoin
• ./autogen.sh
• ./configure
• make
• sudo make install

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[Groestlcoin]

- Nice payouts compared to other betting sites
- Exclusive for Bitcoin and Groestlcoin !
- There is no need to register for betting
- Automatically payouts

Place your bets now on: http://www.bitbetnow.com/groestlcoin.html

Those who are in groestlcoin since the beginning, is groestlcoin going good or bad?
It will be great to share your experiences here.

https://grs.suprnova.cc/
https://www2.coinmine.pl/grs/
http://groestlcoin.miningpoolhub.com/

Please try to keep individual pools under 16% of total network hashes. This helps keep groestlcoin safe by making it so even the top three pools joining up will not be able to do bad things.

Help secure the groestlcoin network, spread your hashes around to the smaller pools! It is important for GRS to have an evenly distributed hashrate.

old logo:

  -  http://www.groestlcoin.org/grs.png
  -  http://www.groestlcoin.org/grs.svg
  -  http://www.groestlcoin.org/grs.eps
  -  http://www.groestlcoin.org/grs.ai
  -  http://www.groestlcoin.org/grsclr.png (color hex codes)

New logo:

  -  http://www.groestlcoin.org/grs2.ai
  -  http://www.groestlcoin.org/grs2.png

https://docs.google.com/spreadsheets/d/1hTOUdJZrKqrNDXTIbXgNvJtj_fnpECREcs-eHxaGrZc/edit?usp=sharing

GroestlCoin is a new coin and it already has many supporters. We would like to increase this number even more.

Let us know if you can help the project.C/C++ coders, web coders, designers, testers, PR, bloggers, all!

We have some contests and competitions in mind to get you interested.

More info or interested? Send me a PM!

Please make a new topic for each question.

When making a new post, be sure the title is relevant to your question. For example:
"I have a question" is not a good title.
"How do I install the Groestlcoin Wallet" is better.
"How do I install the Groestlcoin Wallet on Windows 7" is even better. The more info you share the more we can help!

Guides will be made and posted here: http://groestlcoin.org/forum/index.php?board=9.0

Have good times!

Regards,

The Groestlcoin Forum Staff

Your ideas are important to make this community grow, post here suggestions

[1]

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https://groestlcoin.org/whitepaper.pdf

As requested we have build a Paperwallet for you. It is fully functional and released now.
You can see the paper wallet in live action on: http://www.groestlcoin.org/paper.html

http://cpucoinlist.com/groestlcoin-grs/