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Author Topic: [ANN][GRS] Groestlcoin | Upgrade to NEW Groestlcoin Core ASAP | Segwit activated  (Read 384153 times)
gruve_p
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March 22, 2014, 09:08:18 AM
 #1



About the name:
The name "Grøstl" is a multilingual play-on-words, referring to an Austrian dish usually made of leftover potatoes and pork, cut into slices. These are roasted on a pan together with onions and butterfat. The dish is often seasoned with salt, pepper, marjoram, cumin, and parsley, and served with a fried egg or kraut (cabbage). Hence, gröstl is somewhat similar to the American dish called hash. The letter ‘ö’ was replaced by ‘ø’, which is a letter in the Danish alphabet that is pronounced in the same way as ‘ö’. This way, the name, like the hash function itself, contains a mix of Austrian and Danish influences. The pronunciation of Grøstl may seem challenging. If you think so, then think of the letter ‘ø’ as the ‘i’ in "bird". This letter is a so-called close-mid front rounded vowel.

About the coin:
- Is a cryptocurrency utilizing Proof of Work
- No ASIC currently exists for Groestl & it is unlikely that one will be developed for it anytime soon. GroestlCoin will be ASIC-free for the foreseeable future.
- Through these features GroestlCoin embodies the fairly distributed & decentralized nature of Cryptocurrency. Anyone can mine effectively, with minimal resource consumption and nuisance.
- With the influx of ASICs we thought decentralized mining will soon be dead, with GroestlCoin it is reborn and taken to another level.
- The extra added value of Groestl is that the "richer advantage" (owning several GPU) is less interesting with Groestl; so fairer.
- Stands for democratization of currency and mining, the ability to send and receive money immediately anywhere in the world, to not pay expensive banking fees, and to transact in an environment that is secure and anonymous.
- Through an innovative algorithm, the Groestlcoin network consumes far less energy, maintains stronger security, and rewards miners in more sustainable ways than sha256, scrypt, x11 and x13 based coins.
- Grostl will be the new greener home of GPU miners as it offers greater hashing results with less energy and heat.
- We strive to make groestlcoin available to the masses. Innovative and user friendly, accessible for everyone. We highly value integrity and transparency. Digital currencies are the future and Groestlcoin will be one of the leaders in this revolution.

About the algorithm:
- Is an iterated hash function, where the compression function is built from two fixed, large, different permutations. The design of Grøstl is transparent and based on principles very different from those used in the SHA-family.The two permutations used are constructed using the wide trail design strategy, which makes it possible to give strong statements about the resistance of Grøstl against large classes of cryptanalytic attacks. Moreover, if these permutations are assumed to be ideal, there is a proof for the security of the hash function.
- Can and is accelerated by the hardware AES support present in most modern Intel CPUs, which helps reduce the efficiency gap between a CPU and other implementations. Groestl (old GPU/CPU) - Groestl makes wide range of trade-offs between throughput, latency, and power consumption. Because of this, groestl uses less power per hash than other algos. Due to the less complex hashing, groestl performs well on older GPU’s as well as CPU’s. More info: http://www.groestl.info/Groestl.pdf
- Is the single most efficient algorithm for GPUs in the cryptocurrency market. It has been shown to have the lowest power consumption, heat and noise of recently released algorithms, allowing for a quieter and more effective mining environment.
- Is set to be the future of mining, Groestlcoin is proud to be the first to utilize this new efficient algorithm.
- Is a recently proposed cryptographic hash algorithm that has common structure and features with the Advanced Encryption Standard (AES). The objective of this paper is to present the design of a high speed joint implementation of Grøstl and AES with minimal resources using a pipelining method. The advantage of this implementation is that it efficiently provides both cryptographic hash function and block cipher. The system is targeted to the Altera Cyclone IV FPGA. The paper presents a complete description of the design and implementation, as well as an analysis of the resulting synthesis and comparison to other proposed implementations of the Grøstl hash function.
- Is a byte-oriented SP-network which borrows components from the AES. The S-box (substitution-box) used is identical to the one used in the block cipher AES and the diffusion layers are constructed in a similar manner to those of the AES. As a consequence there is a very strong confusion and diffusion in Grøstl.
- Is a so-called wide-pipe construction where the size of the internal state is significantly larger than the size of the output. This has the effect that all known, generic attacks on the hash function are made much more difficult.
- Has good performance on a wide range of different platforms and counter-measures against side-channel attacks are well-understood from similar work on the AES.

About the AES acceleration:
The compression function f is based on a pair of 256- or 512-bit permutation functions P and Q, and is defined as:
f(h, m) = P(h ⊕ m) ⊕ Q(m) ⊕ h
The permutation functions P and Q are heavily based on the Rijndael (AES) block cipher, but operate on 8×8 or 8×16 arrays of bytes, rather than 4×4. Like AES, each round consists of four operations:
1.AddRoundKey (the Grøstl round keys are fixed, but differ between P and Q)
2.SubBytes (this uses the Rijndael S-box, allowing sharing with AES implementations)
3.ShiftBytes (expanded compared to AES, this also differs between P and Q, and 512- and 1024-bit versions)
4.MixColumns (using an 8×8 matrix rather than Rijndael's 4×4)
Grøstl divides the input into blocks and iteratively computes hi = f(hi-1, mi). However, Grøstl maintains a hash state at least twice the size of the final output (512 or 1024 bits), which is only truncated at the end of hash computation.




March 22, 2017 - iOS Groestlwallet Released
March 22, 2017 - Android Groestlwallet released
March 22, 2017 - Webwallet released
March 22, 2017 - Electrum-GRS Lite released
January 17, 2017 - Groestlcoin Core v2.13.3 Released | UPGRADE ASAP
October 25, 2016 - Blackberry Groestlcoin Samourai released
October 25, 2016 - Android Groestlcoin Samourai released
October 25, 2016 - Blackberry Groestlcoin Sentinel Released
October 25, 2016 - Android Groestlcoin Sentinel released
June 22, 2016 - Groestlcoin Lite released
June 22, 2016 - Blackberry Simple Groestlcoin released
June 22, 2016 - Android Simple Groestlcoin released
June 22, 2016 - Android AGcore released
March 22, 2016 - Android wallet 4.46.2 released
March 22, 2016 - Wallet32 android wallet v0.1.3h released
March 22, 2016 - Android Electrum-GRS v1.5.25 released
March 22, 2016 - Aegis Groestlcoin android 1.1.6.3 released
March 22, 2016 - Android Groestlcoin-QT wallet released
March 22, 2016 - MultiGroestl Classic v0.5.19 released
March 22, 2016 - MultiGroestl HD released
March 22, 2016 - Blackberry wallet 4.46.2 released
March 22, 2016 - Wallet32 Blackberry wallet v0.1.3h released
March 22, 2016 - Blackberry Electrum-GRS v1.5.25 released
March 22, 2016 - Aegis Groestlcoin Blackberry 1.1.6.3 released
March 22, 2016 - Blackberry Groestlcoin-QT wallet released
January 02, 2016 - Electrum-GRS 2.5.4 released
January 02, 2016 - Groestlcoin SGminer5 released
January 02, 2016 - Groestlcoin Vanitygen released
January 02, 2016 - Wallet32 Blackberry wallet released
January 02, 2016 - Aegis Groestlcoin Blackberry released
January 02, 2016 - Blackberry Electrum-GRS released
September 22, 2015 - Groestlcoin Armory released
September 22, 2015 - Groestlcoin Easyminer v2.0 released
September 22, 2015 - Blackberry wallet released
September 22, 2015 - Groestlcoin Address Utility released
September 10, 2015 - Groestlcoin Network BIP66 soft fork completed
August 20, 2015 - Groestlcoin Core v2.11.0 Released
June 29, 2015 - Groestlcoin Easyminer released
June 29, 2015 - Groestlcoin-WPF released
June 29, 2015 - Groestlcoin-GRS for Android released
June 29, 2015 - Aegis Groestlcoin for Android released
June 29, 2015 - Groestlcoin Multisig released
March 22, 2015 - JSWallet released
March 22, 2015 - Groestlcoin wallet32 released
March 22, 2015 - Multigroestl released
March 22, 2015 - Electrum-GRS released
December 23, 2014 - Groestlcoin Android wallet released



Groestlcoin Founder & Advisor, groestlcoin.org/net/info owner, groestlcointalk.org owner:

Groestlcoin Android developer, Groestlcoin BlackBerry wallet en groestlcoin webwallet developer:

Groestlcoin-WPF, Groestlcoin coin-util, Groestlcoin address utilty, Groestlcoin Armory and Groestlcoin Multisig developer:

IRC Groestlbot developer, Multigroestl Classic developer, Multigroestl HD developer, Groestlcoin Lite and Electrum-GRS Lite developer:

Groestlcoin Electrum-GRS developers:

Graphic designer:

iOS developer:
  • Quantumexplorer

Paper wallet developer and Groestlcoin forum creator:

Reddit Moderator and Reddit tippingbot developer:

Groestlcoin Easyminer developer:

Facebook group admin:

Android price ticker and info developer:

Groestlcoin android miner developer:
  • Jesus Oliver

iOS GRS depot developer:
  • Carl Ambrosini from Italy

Cpu miner developer:

Groestlcoin forum admin, IRC tippingbot developer, Twitter tippingbot developer, QQ Group admin and IRC moderator:



Multifaucet



- Advanced Block Explorer
- Block Explorer



- Dwarfpool
- Coinmine
- Miningpoolhub
- Suprnova
- TomPool
- Zpool
- Gflare



- Bittrex
- Litebit
- Bitsquare
- Cryptopia



- Coinwarz
- Mining profitability calculator Bitmakler
- Mining profitability calculator WhatToMine
- Coingecko
- Worldcoin index
- Coinmarketcap
- Targetmoon
- Bitinfocharts
- Crypto Currency Platform
- Buy Groestlcoins from atm's
- Groestlcoin mixer
- Coinpayments payment processor
- Litepaid payment processor
- Cointopay payment processor


- Official Groestlcoin Chat


- Official Groestlcoin website
- Official Groestlcoin github
- Official Groestlcoin bitbucket
- Official Groestlcoin Dockers
- Official Groestlcoin Forum
- Official Groestlcoin Trello
- Official Groestlcoin Paper Wallet
- Official Groestlcoin spreadsheet with the optimal config for GPU's and CPUs



- Official Groestlcoin Twitter
- Official Groestlcoin Reddit
- Official Groestlcoin Voat
- Official Groestlcoin Facebook
- Official Groestlcoin G+
- Official Groestlcoin QQ Group: 9999618
- Official Groestlcoin VK page
- Official Groestlcoin Weibo
- Official Groestlcoin Linkedin
- Official Groestlcoin Youtube



Mainnet:
addnode=groestlcoin.org
addnode=electrum1.groestlcoin.org
addnode=electrum2.groestlcoin.org
addnode=jswallet.groestlcoin.org
addnode=groestlsight.groestlcoin.org

Testnet:
addnode=testnet1.groestlcoin.org
addnode=testnet2.groestlcoin.org



PR Video
What is Groestlcoin
Cryptocurrency of the future
Logo animation











































  • Grøstl (http://www.groestl.info/)
  • Specifications PDF:  http://www.groestl.info/Groestl.pdf
  • Total Coins: 105,000,000 (5x total ammount bitcoins)
  • Block Time: 60 seconds
  • Difficulty Retarget: every block
  • Difficulty adjustment: Dark Gravity Wave 3
  • Confirmations on Transactions: 6
  • Mined coins mature in 140 blocks
  • Secure and Open Source
  • GPU and CPU friendly
  • Lowest energy and heat when GPU mining
  • ASIC-free
  • No multipools
  • Premine: 240,640 GRS (0.22918095% total) We are now a 0% pre-mine as the entire pre-mine has been given away or used for development. See here for details

Block Reward:
  • Block Reward: Blocks 0 till 120,000 512 GRS, decreased 6% every week and from block 150,000: 25 GRS, decreased 1% every week
  • Minimum block reward: 5 GRS

1490821433
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badam
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March 22, 2014, 09:11:28 AM
 #2

Making a pre ann on this is nonsense. Somebody can take the advantage and make a gpu miner on algo till start and will get every coin and few hours later just release the miner and get the bounty too.
ig0tik3d
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March 22, 2014, 09:19:29 AM
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Making a pre ann on this is nonsense. Somebody can take the advantage and make a gpu miner on algo till start and will get every coin and few hours later just release the miner and get the bounty too.
if you don't know exactly how implemented hash function in coin (maybe 512 or 256 or 384 or combination) how i understand, you can't do gpu miner ))
and if I'm not mistaken speed groestl algo on gpu is less or equal then on cpu...
ps.  pre-ann from Newbie user ... hm))

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labe971
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March 22, 2014, 09:52:52 AM
 #4

i will mine groestlcoin Smiley
kele22222
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March 22, 2014, 11:03:25 AM
 #5

Good luck!
virtualdn
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March 22, 2014, 11:05:57 AM
 #6

hello, http://coinok.pw would like to apply for the following bounties:

-faucet
-paper wallet
-block explorer
-scratch game
-twitter promotion

please let us know if you are interested in any of those. thanks!

Kooness
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March 22, 2014, 04:14:55 PM
 #7

The website is done:http://www.groestlcoin.com/
 Smiley Wink Smiley

I will promptly update all information, just like wallet and pools etc.

azhago
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March 22, 2014, 06:25:35 PM
 #8

nice, a gpu-coin!
I'm in!

Joshuar
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March 22, 2014, 06:27:10 PM
 #9

proof of work is so 2009... Tongue

surfer43
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March 22, 2014, 06:27:53 PM
 #10

Interesting, I'll see if I can instamine this  Cool

What the hell is this?
Quote
 -  Difficulty adjustment: DGW (Dark Gravity Wave)

INFO: Premined 0.28769523809%


Dev: Please tell me you don't keep any of the premine for yourself.

Dev: what are your other bitcointalk usernames?
andrealandia
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March 22, 2014, 06:28:25 PM
 #11

GMT +1 or GMT +0?
gruve_p
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March 22, 2014, 06:55:25 PM
 #12

GMT +1 or GMT +0?

Hi!

After 2 hour. 9.00 pm gmt.

Best Regards,

gruve_p

busminer
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March 22, 2014, 06:56:31 PM
 #13

gpu miner avalible?
surfer43
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March 22, 2014, 06:56:39 PM
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GMT +1 or GMT +0?
after 2 hour
9.00 pm gmt
So..
GMT +0
gruve_p
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March 22, 2014, 07:01:37 PM
 #15

gpu miner avalible?

Hi!

From start: solo mining with wallet.
For standalone cpu and gpu miner we have bounties.

Best Regards,

gruve_p

Amph
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March 22, 2014, 07:04:15 PM
 #16

gpu miner for this already exist, see myriad

surfer43
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March 22, 2014, 07:05:21 PM
 #17

gpu miner for this already exist, see myriad
How does it perform against CPU?
gruve_p
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March 22, 2014, 07:11:36 PM
 #18

gpu miner for this already exist, see myriad

Hi!

myriad groestl algo is not "pure" groestl. In myriad-groestl is used groestl+sha256.

Best Regards,

gruve_p


Amph
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March 22, 2014, 07:16:05 PM
 #19

gpu miner for this already exist, see myriad
How does it perform against CPU?

don't know much about it, i only know that old amd card perform better on this algo

surfer43
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March 22, 2014, 07:57:26 PM
 #20

I'm setting up a pool for this coin. It will have a 2% fee.

Someone should fork cpuminer so people can use it to mine on my pool.  Smiley
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