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441  Alternate cryptocurrencies / Altcoin Discussion / Re: [GRA] Giveaway thread for Grain - GRA | Each person gets 10000 GRAs on: December 09, 2013, 07:22:07 AM
Sent giveaways to all the above (eligible) miners.
442  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][GRA] Grain - New PoW/PoS coin | Fast, secure, super bonus blocks on: December 09, 2013, 05:54:20 AM
Here are some ideas I liked that maybe someone more graphically gifted could use (would need to be recreated @ higher res to be useable):



I specifically like the idea of having the coin circled with grain, seems fitting. Cool

There's also this which I think looks neat, but it's hard to identify as grain/wheat/etc. (at least to me):



wow, very nice! I like 3rd on the left side, the one with color  Cheesy

Actually the 1st one is very good too... sent some tips to you.
443  Alternate cryptocurrencies / Altcoin Discussion / Re: [GRA] Giveaway thread for Grain - GRA | Each person gets 10000 GRAs on: December 08, 2013, 08:59:55 PM
Sent giveaways to all the above miners.
444  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][GRA] Grain - New PoW/PoS coin | Fast, secure, super bonus blocks on: December 08, 2013, 08:39:43 PM
made a logo for you



if you like it, you can just drop a small tip to 9D5eAzzhiXn7d6mCBV7nzWWgEv6yENyvAS  Wink
Sent a small tip to you Wink Also one to fitsbach for his logo. That who will be used for the formal logo (based on community votes and comments) will get a 150K bounty.
445  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][GRA] Grain - New PoW/PoS coin | Fast, secure, super bonus blocks on: December 08, 2013, 07:24:30 PM

What do you guys think about this logo?
Probably not perfect but I guess better than the original one so far?

This is a pretty good logo IMHO. Comments from other miners please?


I always wonder why there hasn't been a virus hidden into an altcoin yet... It's ridiculous....

Be very careful with altcoins.....

Use virus/malware scans before running any downloaded programs

I mine this, and my friend will join in 2 days Smiley I hope this coin will make it, im curious of that 90 day reward halving.
My Pool has found some Super Reward Blocks so far! Mostly 10k but we found one of 100k!

Nice!
446  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][GRA] Grain - New PoW/PoS coin | Fast, secure, super bonus blocks on: December 08, 2013, 06:33:28 PM
Having some trouble compiling the source on my Ubuntu machine

I’m following the instructions in  doc/build-unix.txt


g++ -O2 -msse2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter -g -DBOOST_SPIRIT_THREADSAFE -I/home/is/gtest/grain/src -I/home/is/gtest/grain/src/obj -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2  -o graind obj/alert.o obj/version.o obj/checkpoints.o obj/netbase.o obj/addrman.o obj/crypter.o obj/key.o obj/db.o obj/init.o obj/irc.o obj/keystore.o obj/main.o obj/net.o obj/protocol.o obj/bitcoinrpc.o obj/rpcdump.o obj/rpcnet.o obj/rpcmining.o obj/rpcwallet.o obj/rpcblockchain.o obj/rpcrawtransaction.o obj/script.o obj/sync.o obj/util.o obj/wallet.o obj/walletdb.o obj/noui.o obj/kernel.o obj/pbkdf2.o obj/scrypt_mine.o obj/scrypt-x86.o obj/scrypt-x86_64.o -Wl,-z,relro -Wl,-z,now   -Wl,-Bdynamic -l boost_system -l boost_filesystem -l boost_program_options -l boost_thread -l db_cxx -l ssl -l crypto -Wl,-Bdynamic -l z -l dl -l pthread
obj/alert.o: file not recognized: File format not recognized
collect2: error: ld returned 1 exit status
make: *** [graind] Error 1




im experiencing the same problem
but qt wallet  compiled just fine

Does the obj dir exist? if not, do 'mkdir obj' first, then compile.
447  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][GRA] Grain - New PoW/PoS coin | Fast, secure, super bonus blocks on: December 08, 2013, 05:51:08 PM
The coin is going on great, and mining pool works very well.

Guys please don't forget the giveaways, post your address in giveaway thread to receive 10000 GRAs!
448  Alternate cryptocurrencies / Altcoin Discussion / Re: [GRA] Giveaway thread for Grain - GRA | Each person gets 10000 GRAs on: December 08, 2013, 05:41:11 PM
Sent giveaways to all the above miners.

Please remember that giveaway are limited to those satisfying the minimum requirements listed in OP:
limit to the accounts registered before December 1, 2013, and with at least 10 activities.

Also duplicate posts will be ignored. Thanks for understanding.

If I missed you while you meet the minimum requirements, please repost your address, and state that I missed you. Thank you.
449  Alternate cryptocurrencies / Altcoin Discussion / Re: [GRA] Giveaway thread for Grain - GRA | Each person gets 10000 GRAs on: December 08, 2013, 08:01:01 AM
Sent giveaways to all above miners Smiley
450  Alternate cryptocurrencies / Altcoin Discussion / Re: [GRA] Giveaway thread for Grain - GRA | Each person gets 10000 GRAs on: December 08, 2013, 06:26:36 AM
Sent giveaways to all above miners  Smiley
451  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][GRA] Grain - New PoW/PoS coin | Fast, secure, super bonus blocks on: December 08, 2013, 06:05:07 AM
Giveaway thread posted:

https://bitcointalk.org/index.php?topic=361887.0

Please post your wallet address to get 10000 GRAs each person!!!  Cheesy

452  Alternate cryptocurrencies / Altcoin Discussion / [GRA] 10000 GRAs giveaway per person - Grain - the great crypto coin!! on: December 08, 2013, 05:59:06 AM
Due to the fact that GRA becomes a pure PoS coin now, I will close the giveaway thread. It may re-open if the PoW blocks can be regenerated later. The giveaways have been sent to all the eligible miners to #574.


Giveaway thread for Grain -  GRA
Each person gets 10000 GRAs !!!

Post your wallet address, and get 10000 GRAs each.

One person please post one address. Also limit to the accounts registered before December 1, 2013, and with at least 10 activities. I may also decline those who have no or very few recent posts in this forum (those are likely one of many accounts from the same user).

Limit to first 1000 persons.

The main thread for Grain - GRA:
https://bitcointalk.org/index.php?topic=361503.0

Let's go!!!

Q&As:

Q1: Why I don't get giveaway after posted the address?
A: Please check the above conditions.

Q2: Why put these restrictive conditions?
A: This is to prevent people create 20 accounts and get free GRAs. If you are new members and really want to get involved, then post actively in the GRA main thread. If you are actively involved with the GRA community, I'll send you the giveaway.

453  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][GRA] Grain - New PoW/PoS coin | Fast, secure, super bonus blocks on: December 08, 2013, 05:49:57 AM
AltMiners GrainCoin Pool
PPLNS - VarDiff - Stratum Only - 3% Pool Fees

Hi Folks, we just launched our new GrainCoin Pool using:

PPLNS Reward System
Variable Difficulty
STRATUM Protocol
3% Pool Fees



Register Here:
http://grain.altminers.com

And Point your favorite mining software here:
Code:
--scrypt  -o stratum+tcp://grain.altminers.com:3336 -u [i]Weblogin.Worker[/i] -p [i]Worker password[/i]
Happy Mining!

This is great. Please PM me your wallet address, I'll send you the bounty.
454  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][GRA] Grain - New PoW/PoS coin | Fast, secure, super bonus blocks on: December 07, 2013, 08:37:50 PM
there are as many exchanges as coins  Grin
455  Alternate cryptocurrencies / Announcements (Altcoins) / [ANN][GRA] Graincoin - New PoW/PoS coin | Fast, secure | Version 1.5 Released! on: December 07, 2013, 08:19:56 PM








Version 1.5 Released. Version 1.5 is a mandatory upgrade, so please upgrade as soon as possible to avoid a fork. Version 1.5 fixes the superblock issue, making Graincoin the first coin ever to generate superblock in a truely random way. This will eliminate the hackers from getting most of the superblocks. Version 1.5 also includes some minor bug fixes. The switchover point is set at block 310000, which will be in about 5-7 days (we are at block 277100 now). Download links for Windows Client and source in github are updated.



Please vote Graincoin for being added to exchanges:
For cryptsy:
https://cryptsy.freshdesk.com/support/discussions/topics/44936




A grain is a unit of measurement of mass that is nominally based upon the mass of a single seed of a cereal. From the Bronze Age into the Renaissance the average masses of wheat and barley grains were part of the legal definition of units of mass. However, there is no evidence of any country ever having used actual seeds or cereal grains. Rather, expressions such as "thirty-two grains of wheat, taken from the middle of the ear" appear to have been ritualistic formulas, essentially the premodern equivalent of legal boilerplate.

- from Wikipedia




Graincoin (GRA)

Graincoin is a PoW/PoS coin that is designed to be the unit of cyber-coin. It has a total of 50 billion unit to be released, through a fair p2p mining process. It is fast, secure and have sufficient coins for circulation so it can be used in real daily shopping.

Graincoin is from the family of PPCoin/Novacoin with latest available algorithms that fixed various problems in the PoW/PoS coins. As compared to the PoW only coins, the proof of stake coins are more resilient to 51% attack. Also it is a long term energy-efficient crypto-currency since not all coins are obtained by mining.

Each graincoin block provides random 1024 - 2048 grains initially. It also provides rare superblocks. The coin uses hash-based algorithm to determine superblocks based on the number of 9s in the previous block hash. It works as follows:

- the hash contains six 9s or less: regular block
- the hash contains seven or eight 9s: 8 times the regular block (about 5% chances)
- the hash contains nine or more 9s: 64 times the regular block (about 1% chances)

Premined 1% as reserved bounty and reward for developers, giveaway, pool, blockexplorer, etc. Graincoin also provides 5% annual interest on the grained held. The interest will be paid about every 2 weeks.





Specifications

   - scrypt
        - 30 seconds block target
   - 1024-2048 grains per block for normal blocks
   - 8 times or 64 times the regular payout per block for super blocks depends on the number of 9s in the previous hash
   - Difficulty retargets every block
   - mining payout will be halved every 90 days (259200 blocks)
   - minimum payout per block 1 coin
   - Total grains will be 50 billions
   - 6 confirmations for transaction
   - 50 confirmations for minted blocks

   - Ports: 11054 (connection) and 11055 (RPC)


Official websites:
http://www.graincoin.net
http://www.graincoin.org
http://www.graincoin.info
http://graincoin.webs.com/


Graincoin is on CoinMarketCap:
http://coinmarketcap.com/


Graincoin on Cryptoarticles:
http://www.cryptoarticles.com/crypto-news/2014/1/25/coinpayments-now-supports-grain
http://www.cryptoarticles.com/crypto-news/2014/1/15/grain-the-future-unit-of-cyber-coin
http://www.cryptoarticles.com/crypto-news/2014/1/18/grain-new-wallet-released-version-14
http://www.cryptoarticles.com/crypto-news/2014/1/23/grain-more-valuable-than-yould-think





Exchanges

Coinedup.com:
GRA/BTC:
https://coinedup.com/OrderBook?market=GRA&base=BTC

GRA/LTC:
https://coinedup.com/OrderBook?market=GRA&base=LTC


SwissCoin Exchange:
GRA/LTC:
https://www.swisscex.com/market/GRA_LTC

GRA/XPM:
https://www.swisscex.com/market/GRA_XPM

GRA/DOGE:
https://www.swisscex.com/market/GRA_DOGE






Mining Pools

udjin123's Stratum's Mining Pool

http://gra.forkpool.com/
stratum
registration needed
PPS
fee 0%


DAOneG's Grainer Pool
http://grainers.net/
STRATUM: stratum+tcp://grainers.net
PORT: 3333




Block Explorer

http://gra.livechains.net/explorer/block_crawler.php

http://coinblockchain.com/grain/




Shops, Services, Games that accept GRA




Coinpayments:

https://www.coinpayments.net/
Graincoin is supported by Coinpayments, which provides wonderful tools and utilities to accept Graincoin as payments for the shops, services.
Tutorial for how a shop/service can integrate with Coinpayments will be avaialble soon.


Wood Shot Glass - it has Graincoin customized shot glasses!
http://woodshotglass.com/

Tuff Wraps
http://tuffwraps.com/

Computer hardware and consumer electronics  
http://brownboxtech.net

WaterIdo - Healthy Water Revitalizer
http://waterido.com  

Xbox Gold 48 Hour Codes - 2 for $1
http://xbox48.bugs3.com

Iquidus Technology - OpenSource Software, Hi-Performance Hardware
http://www.iquidus.co.nz/
http://www.iquidus.co.nz/?q=graincoin

Retro Towers - Gaming Hardware
http://www.retrotowers.co.uk/

Citrus Fit - Weight loss and detox products
http://citrusfit.com/

Stickerz Lab - French Sticker Decorations
http://stickerzlab.com/

Pixcoin - Stickers for Crypto Coins
http://pixcoin.com/

Crypto GameKeys - Buy CD Keys, PSN cards, PS3/4/Vita games
www.cryptogamekeys.com

ThanksBitcoin - a Bitcoin shop
http://www.thanksbitcoin.com

Crypto Coin Stuff - Cryptocoin banners, stickers etc
http://www.cryptocoinstuff.com

Advertise Service
http://cryptotiler.com/





Socials, Discussions etc

The following socials, discussion groups etc are sponsored by Grain mining members. They are "unofficial" and are not managed/admin'd by the Grain Dev Team.

Cryptocointalk discussion threads:
https://cryptocointalk.com/forum/509-grain-gra/

Subreddit:
http://www.reddit.com/r/Graincoin/

Facebook pages:
https://www.facebook.com/Graincoin
https://www.facebook.com/Graincoin.Cryptocurrency






Bounties

100K GRAs for shops, services, games that accept Grain!
Note: personal blogs are not considered as services.

Bounties will be given out as needed, for significant contributions to the Grain or its promotions.





Giveaways

https://bitcointalk.org/index.php?topic=389595.0 (closed)
https://bitcointalk.org/index.php?topic=361887.0 (closed)


Faucet:

http://www.thebitcoinmaster.com/grain/index.php
http://deathxchange.com/graincoins.php





Downloads (Version 1.5)

Windows Client Downloads

Mega.co.nz:
https://mega.co.nz/#!8gIQxTiY!-bAYs5FiFSWQFcuKiNQIWOAUFEp6EQMY2f4SaoWcKU8


Source Code Download
https://github.com/grain-crypto/grain





Mining Configurations

Using the following nodes to join the network:

Quote
       addnode=87.228.72.73
        addnode=86.177.174.213
        addnode=90.24.148.40
        addnode=79.132.116.131
        addnode=77.247.182.246
        addnode=24.61.235.251
        addnode=188.190.138.46
        addnode=60.185.43.164
        addnode=86.177.174.213
        addnode=95.85.26.11
        addnode=37.147.229.171
        addnode=24.115.95.58
        addnode=94.36.249.63
        addnode=84.202.182.12
        addnode=212.21.27.144
        addnode=178.216.122.243
        addnode=83.37.239.174
        addnode=5.165.67.45
        addnode=119.237.178.52


Sample Config File (grain.conf):

Quote
listen=1
daemon=1
server=1
rpcconnect=127.0.0.1
addnode=90.24.148.40
addnode=79.132.116.131
addnode=77.247.182.246
rpcuser=**Yourusername**
rpcpassword=**Yourpassword**
rpcport=11055


How to Solo Mine

1. Start up grain-qt, wait for it to load, then exit.
2. Put grain.conf (see sample file above) in your c:/users/**yourcomputername**/AppData/Roaming/Grain
3. restart grain-qt, and you should connect and sync.
4. For solo mining, launch cgminer or the mining program you use and begin mining.
      cgminer ex: cgminer.exe --scrypt -o localhost:11055 -u **yourusername** -p **password** (without **)





456  Alternate cryptocurrencies / Altcoin Discussion / untitled on: December 02, 2013, 06:06:42 AM
deleted
457  Alternate cryptocurrencies / Altcoin Discussion / Re: [Official] Cryptsy Coin Poll on: November 10, 2013, 06:06:33 PM
Zeuscoin tops the vote list Smiley
458  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] ZEU - ZeusCoin - New PoW coin with random blocks | No Premine on: November 10, 2013, 05:54:40 PM
people are lazy nowadays, just type +1 Grin
459  Other / Beginners & Help / Altcoins will have any future? on: November 09, 2013, 06:45:46 PM
Since the launch of Bitcoin, many copycats are created, some with new algorithms,such as scrypt, pow/pos, etc. But the framework is what defined by BTC. Any futures for these altcoins?
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