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Messages - Stouse49

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The Break Room / Re: How to Make Money in Digital Currency
« on: August 18, 2013, 06:58:02 PM »
Meanwhile in the cryptsy chat:

bitcoinbenten327: GLD is gonna hit the moon
Stouse49: @bitcoinbenten327: is that because Aliens will be using GoldCoin when they arrive on earth to charge us to ride their ships?

It was a question to see if this fellow had watched the most recent GoldCoin Report.

Trading Discussion / Re: Message from Headless
« on: August 18, 2013, 05:16:10 PM »
I think both names are real.


GoldCoin Discussion / Re: minimum transactions
« on: August 18, 2013, 05:11:43 PM »
The transaction fee structure is a little complicated, but here is a simple version:
  • For any amount sent that is less than 0.01 GLD, there will be a 0.1 GLD fee.
  • For other transactions, there may be a 0.1 GLD or larger fee which will depend on the age of the coins being sent, the amount being sent and the size of the amount of information that will be transmitted across the network.

I hope this information is somewhat understandable, but the fees are calculated in a similar manner as Bitcoin and Litecoin.  We have all noticed that moving coins out of cryptsy or some mining pools have a transaction fee as well.  Part of that fee will cover the fees that the coin network will require to process the transaction.  Transaction fees are given to the miners.

GoldCoin Discussion / Re: Some Truth
« on: August 18, 2013, 01:13:48 AM »
The latest version of cpuminer supports stratum:


It is the mining software that provides the limits of using stratum or getwork (LP) rather than the hardware (CPU or GPU).

GoldCoin Discussion / Re: Some Truth
« on: August 17, 2013, 09:57:17 PM »
Hashrates are calculated based on difficulty and block solving times. 

The Network Hashrate is an average from the last 120 blocks, or what ever number is chosen.  Pool Hash rate may be calculated based how often blocks are solved by the pool, or it may be from information transmitted by the miners (I am not sure about this).

Depending on how these hashrates are calculated and if people were adding more hash power to mine GLD in the past 4 hours (because the price doubled over night), it is possible for the Pool Hashrate to be higher than the Network Hashrate as it is presented at this pool.  In reality, the Pool Hash Rash rate cannot be greater than the entire Network.

At this moment this pool reports:
Network Hashrate: 128.978 MH/s     
Pool Hashrate: 95.718 MH/s

My own calculations are as follows for Network Hashrates:
Last 120 Blocks:  128.98 MH/s     
Last 60 Blocks: 150.01 MH/s
Since Last Retarget (5 blocks):  84.93 (indicates, some miners left after the last difficulty change)

Trading Discussion / Re: GLD pump
« on: August 17, 2013, 03:00:09 AM »
Comment made on Crypsty at about 3 am Eastern Time:

Yeah, the app sounds pretty cool.  I plan to use to pay the lawn mower to mow the lawn after I write a lawn mowing app.

Trading Discussion / Re: GLD pump
« on: August 16, 2013, 07:08:03 PM »
I missed the first half of the pump.

The Break Room / Re: Edit .exe and .dll files - Program?
« on: August 15, 2013, 03:33:09 PM »
To make the changes you propose, it may be necessary to edit the source files at https://github.com/Matoking/ScryptMiner-GUI.

The last time this source was changed was 1 year ago.  At this time the cpuminer (minerd) did not support stratum.  The latest version of the cpuminer does support stratum (https://bitcointalk.org/index.php?topic=55038.0). 

It may not be necessary to specify stratum+tcp in the URL to the pool to use stratum.

Mining & Pools / Re: CGminer Help with CryptoCoinMine
« on: August 08, 2013, 11:48:58 PM »
Your .conf file for cgminer needs this: 

"scrypt" : true

While your best share was a 2.8K difficulty, the number of accepted shares by the pool is zero (0).  The number of accepted shares is after the "A:"  Next to the "A:" is the "R:" which is the number of rejected shares.

Block Errupters are for mining bitcoins:  http://www.btcguild.com/index.php?page=store.  They are rather high in price at 0.60 BTC, it will take 6 months to a year to make your money back, if you are lucky.

Mining & Pools / Re: CGminer Help with CryptoCoinMine
« on: August 08, 2013, 06:25:17 PM »
If you use cgminer you must have the --scrypt parameter for cgminer to use the correct hashing function.  I have never seen SHA-256 running a scrypt coin pool find blocks, but they would not be valid.  1000 KH/s = 1 MH/s.

Mining & Pools / GoldCoin: How to mine with a GPU using CGMiner
« on: August 05, 2013, 10:02:39 PM »
This guide covers GPU mining with CGMiner (BFGMiner can also be used with this setup guide)

CGMiner Setup (Windows)
1. Download CGMiner (Bitcointalk thread: https://bitcointalk.org/index.php?topic=28402.0). 
2. Extract the zip folder.
3. Create a shortcut to cgminer.exe, edit the properties of the shortcut and append to the target the required parameters mentioned below.

CGMiner Command Line Options:
The standard command line options are as follows.  This will connect cgminer to a pool and start mining.
Code: [Select]
--scrypt -o [poolurl]:[port] -u [username].[workername] -p [password]
Example of Pool Mining:
Code: [Select]
--scrypt -o stratum+tcp://gld.cryptocoinmine.com:2020 -u Dayne.1 -p xExample of Solo Mining (While Goldcoin Client is running):
Code: [Select]
--scrypt -o -u <goldcoin.conf user_name> -p <goldcoin.conf password>
Useful optional parameters to set are:
-g~Number of threads to use.  Sometimes 2 is faster than 1.
--shaders~Set to the gpu's amount of shaders, google "gpu name shaders".
--thread-concurrency~Better version of --shaders, should be a multiple of the gpus shader count.
-w~Work size (try 64, 128, 182 or 256 (maximum).
-I~Intensity (12 generally works best).  High Intensities can slow down hashrates .

Example Setups
nVidia GeForce GT 630M:
Code: [Select]
--scrypt -o stratum+tcp://gld.cryptocoinmine.com:2020 -u Dayne.1 -p x --thread-concurrency 6144 -g 1 -w 128 -I 12
AMD Radeon HD 7870 (350 Kh/s):
Code: [Select]
--scrypt -o stratum+tcp://gld.cryptocoinmine.com:2020 -u Stouse49.1 -p x -I 12 -g 2 --thread-concurrency 8000 -w 256 --gpu-engine 1075 --gpu-memclock 1500 --lookup-gap 2 --expiry 1 --queue 0 --no-submit-stale -s 1
CGMiner Configuration Files
Settings can also be specified in a configuration file.  In such a case the command line arguments are:
Code: [Select]
-c <config file>Here is example config file that contains all three of the currently working pools.  If one pool goes down, cgminer will switch to another pool and keep mining.
Code: [Select]
"pools" : [
"name" : "Goldcoin VirCulPool (gld.vircurpool.com)",
"url" : "stratum+tcp://gld.vircurpool.com:3331",
"user" : "username.workername",
"pass" : "password"
"name" : "Goldcoin Cryptocoin Mine (gld.cryptocoinmine.com)",
"url" : "stratum+tcp://gld.cryptocoinmine.com:2020",
"user" : "username.workername",
"pass" : "password"
"name" : "Goldcoin Cryptopool (gld.cryptopool.info)",
"url" : "stratum+tcp://gld.cryptopool.info:3355",
"user" : "username.workername",
"pass" : "password"
"api-allow" : "W:",
"api-listen" : true,
"expiry" : "1",
"failover-only" : true,
"queue" : "0",
"round-robin" : true,
"scrypt" : true,
"intensity" : "12",
"worksize" : "256",
"no-submit-stale": true,
"scan-time": "1"

Start Mining
Execute cgminer with all the necessary and optional parameters in a shortcut, batch file or through another software such as CGWatcher.

The official CGMiner SCRYPT Readme.
The Litecoin Mining Hardware Comparison (includes settings) - http://litecoin.info/Mining_Hardware_Comparison


Many thanks go to Dayne for starting this guide.  If you post your settings and hashrates, we will add them to this post to build a database of cards, speeds and settings.

I mined on this pool last night.  Although I didn't get any blocks, I accumulated many shares which were paid when the pool regulars were back online mining and solving blocks.  Hopefully all our pools will have a public API for hashrate.

Bug Reports / Re: MAC client does not work with 10.8.4
« on: August 05, 2013, 11:43:30 AM »
Yes, we know about this problem already.  A fix will be available soon.

I checked coinchoose.com vs the client.  They matched on all parameters except for the hashrate.  In this case, the hashrate was 1/2 the client reported hashrate.  They may use a difference calculation. 

The hashrate is calculated by the client using the difficulty and the block solving times.  The network and nodes don't actually measure the hashing power of every pool and solo miner.

The calculated hashrate for each block will differ based on how fast a block is solved even while the actual hashrate of all the computers on the network may not change.  A lucky block may be solved in 10 seconds, resulting in a very high hashrate calcuation.  A 5 minute block will result in a low hashrate calculation.

What the client does to calculate hashrate (with the getnetworkhashps debug command) is take the time it took to solve the last 120 blocks and the difficulty used during that time.  This will give a number that smooths out all fast times of really lucky blocks and the slow times of the other blocks.  Since it is a hashrate of 120 blocks, sudden changes in network hashing (such as a pool going offline suddenly, will not show up in the hash calculation right away).  Goldcoin adjusts it's difficulty every 60 blocks using a similar calculation to ensure that the average block time is 2 minutes.  Coinchoose may be using a different number of blocks to calculate its hashrates.  It has a weekly hashrate as well, which definitely is a different calculation than what we see in our client at any one time.

How-To Guides / Goldcoin: How to install the Goldcoin Client
« on: August 05, 2013, 12:21:17 AM »
Instructions for Windows ( XP, Vista, 7 and 8 )

Installation is a three step process:
  • Download the client at http://gldcoin.com/get-started/.  Click the link for the Windows Client.
  • Run the installation program that you just downloaded.
  • Start the Goldcoin client [Start | All Programs | Goldcoin (GLD) | Goldcoin (GLD)].
Editing or Checking the Settings in goldcoin.conf
The configuration settings for the Goldcoin client are stored in the gldcoin.conf file which is located here: %appdata%\GoldCoin (GLD)\goldcoin.conf [1]. 
  • In Windows Vista, 7 and 8 this is C:\Users\<username>\AppData\GoldCoin (GLD)\goldcoin.conf
  • In Windows XP it is this: C:\Documents and Settings\<username>\Application Data\GoldCoin (GLD)\goldcoin.conf

Instructions for Mac
  • Download the client at http://gldcoin.com/get-started/.  Click the link for the Windows Client.
  • Copy the GoldCoin (GLD)-QT application from the dmg file to the Desktop or the Applications folder
  • Double click the client from the location that it was copied to.

Instructions for Linux
Linux instructions to be added later.

Example goldcoin.conf Configuration File
If this file is edited, restart the client for the changes to take effect.
Code: [Select]

Special thanks to bitshirehashaway for the first draft of this instruction guide.

[1] Previous versions of the client ( and earlier): %appdata%\GLDCoin\gldcoin.conf

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