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1341  Alternate cryptocurrencies / Altcoin Discussion / Re: [Announce] Fairbrix relaunched! on: October 10, 2011, 08:09:43 AM
Quote
https://github.com/ArtForz/cpuminer - Fastest but experimental

How to run it as fastest.
There are 5 algos, which is the fastest to use in windows?

Code:
--algo XXX
(-a XXX) Specify sha256 implementation:
        c               Linux kernel sha256, implemented in C (default)
        4way            tcatm's 4-way SSE2 implementation
        via             VIA padlock implementation
        cryptopp        Crypto++ C/C++ implementation
        cryptopp_asm32  Crypto++ 32-bit assembler implementation



Make sure you downloaded the cpumine branch. It should default to scrypt algo.
1342  Alternate cryptocurrencies / Altcoin Discussion / Re: [Announce] Fairbrix relaunched! on: October 10, 2011, 06:37:34 AM
I've updated first post with some new information on mining.
1343  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Litecoin - a lite version of Bitcoin. Be ready when is launches! on: October 10, 2011, 06:35:49 AM
I've updated first post with some new information in the mining section.
1344  Alternate cryptocurrencies / Altcoin Discussion / Re: SolidCoin 2 Release - Monday 10th October 23:35 UTC on: October 10, 2011, 04:46:51 AM
CoinHunter, how much was premined? The previous plan was to premine some to transfer to all original SC owners right? In addition to that, were more coins premined?
1345  Alternate cryptocurrencies / Altcoin Discussion / Re: [Announce] Fairbrix relaunched! on: October 10, 2011, 02:20:49 AM
I just like the fact that there isnt 7.7 million pre-mined coins.. a lot!

However, is there support behind this Coin? Development?

Well, that's my worry too, that's why I am mining more of Solidcoin 2 as the earlier Solidcoin has shown a lot of good organization.

I will support it as much as I can. Unfortunately, you get what you pay for so to speak. With 7.7 premined coins, Lolcust has a lot of incentive to support Tenebrix. With 5% tax, CoinHunter has a lot of incentive to support SolidCoin. Whatever little fbx I have were orphaned by the attack. So I don't have that much incentive. The only reason why I spend time making it better or talking to pools and exchanges is because I feel responsible for it since I kicked off the relaunch.

So yeah, if you mine now when the difficulty is still low, you may get paid off handsomely if I manage to convince an exchange to support this coin. And if not, you would have wasted your time. Your choice! I will do the best I can. Smiley
So, no hint of an exchange yet? Smiley

Also, when a chain is small like this, checkpoint updates are a good idea.

Thanks for the suggestion kano. I have already updated the source with a checkpoint at block 5000. Have not built another windows binary though. If an exchanges comes up, I will work on it.
1346  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Litecoin - a lite version of Bitcoin. Be ready when is launches! on: October 09, 2011, 11:17:15 AM
Here's a windows client I built just now:
   https://github.com/downloads/coblee/litecoin/litecoin-windows-client-10-09-2011.zip

Unfortunately, I'm not a windows guy. I built this on a WinXP running in a virtual machine. And I tried my best to include the necessary dlls and such. It works for me, but let me know if you have trouble.

Do people need a download that has the miner also?

Just to make sure I understand, this download includes a miner within the GUI app?
If so, then that's good enough for me, I don't need a standalone command line miner.

If no, then yes, miner please.

If you put "gen=1" in your litecoin.conf file, it will mine for you.
1347  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Litecoin - a lite version of Bitcoin. Be ready when is launches! on: October 09, 2011, 10:58:21 AM
If anyone wants some free testnet litecoins to play around with, post your address. I need to go now, so I will send out the coins later.

FYI, testnet addresses (like Bitcoin) start with m or n like mmhPCN9hi71wHw5aJmJCogA11HZ84U7c89
For the actual release, Litecoin addresses will start with an L.
1348  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Litecoin - a lite version of Bitcoin. Be ready when is launches! on: October 09, 2011, 10:47:31 AM
Here's a windows client I built just now:
   https://github.com/downloads/coblee/litecoin/litecoin-windows-client-10-09-2011.zip

Unfortunately, I'm not a windows guy. I built this on a WinXP running in a virtual machine. And I tried my best to include the necessary dlls and such. It works for me, but let me know if you have trouble.

Do people need a download that has the miner also?
1349  Alternate cryptocurrencies / Altcoin Discussion / Re: Any interest in a Fairbrix pool? on: October 09, 2011, 10:35:24 AM
I thought Fairbrix is getting superseded by Litecoin... https://bitcointalk.org/index.php?topic=47417.0

I already said that Litecoin is not superseding Fairbrix. Simplecoin, if you would start a Fairbrix pool, that would be great.
1350  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Litecoin - a lite version of Bitcoin. Be ready when is launches! on: October 09, 2011, 09:46:50 AM
Yeap, just curious, will anyone be supporting the development of Fairbrix or you will be doing the development of Litecoin + Fairbrix?

A somewhat boring and formalistic question, but does Litecoin "sorta-officially" supersede Fairbrix (in the sense of, would efforts still be spared to organize infrastructure for fairbrix, or would said efforts be completely redirected to the benefit of Litecoin)?

I will give support to Fairbrix as long as there is still interest in Fairbrix. I purposely tried not to position this as a replacement to Fairbrix because I wanted to give Fairbrix a fair chance. But if all Fairbrix miners switch over to Litecoin, then there will be no reason for supporting Fairbrix anymore. I guess we'll see.
1351  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Litecoin - a lite version of Bitcoin. Be ready when is launches! on: October 09, 2011, 09:38:33 AM
@Coblee

Ignore the idiots, they will ask questions they know the answer to just to hijack thread and bloat it with BS. Litecoin sounds like a plan.

I am working on some exchanges.

Thanks BitcoinEXpress. Let me know how I can help.
1352  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Litecoin - a lite version of Bitcoin. Be ready when is launches! on: October 09, 2011, 07:14:58 AM
what's the difference between this and fairbrix? also, what's the guarantee that you won't get 51%'d and lose like a crapload of coins?

Fairbrix, like Tenebrix, has no cap in total number of coins. So it keeps inflating forever. Litecoin will have a cap similar to Bitcoin. Also, Fairbrix average transaction times is 5 minutes with 25 coins generated in a block. Litecoin is 2.5 minutes with 50 coins in a block.

One of the goals of Litecoin is to not change what's working (from Bitcoin) unless there was a good reason to. Litecoin is also forked directly form the Bitcoin source code, so it won't have any new security holes that doesn't plague Bitcoin also. One of the reason why the first Fairbrix launch failed so miserable is because it is a fork of Tenebrix, a fork of Multicoin, a fork of Bitcoin. And somewhere in those forks, a nasty bug crept in that caused things to go horribly wrong.
1353  Other / Archival / Re: delete on: October 09, 2011, 06:56:44 AM
I'm really sorry to hear about CoinHunter's issues. And BitcoinEXpress, it's nice of you to do this. Yeah, sometimes the internet dehumanizes us. Every now and then it's good to step back to really ask yourself if you are doing the right thing.
1354  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Litecoin - a lite version of Bitcoin. Be ready when is launches! on: October 09, 2011, 06:18:01 AM
Poll is up: https://bitcointalk.org/index.php?topic=47418.0

Litecoin was launched on Thursday Oct 13, 03:00 GMT
1355  Alternate cryptocurrencies / Altcoin Discussion / When should Litecoin be launched? on: October 09, 2011, 06:15:05 AM
See Litecoin announcement here: https://bitcointalk.org/index.php?topic=47417.0

We wanted to be fair so there are 4 options that are 6 hours apart spanning the 24 hours in a day. Vote for the the time most convenient to you.

Note: the options are in GMT times. So make sure you convert it to your timezone. For example, US pacific time is GMT -7, so the first option is actually 2am PDT. And US eastern time is GMT -4, so the first option is actually 5am EDT.
1356  Alternate cryptocurrencies / Announcements (Altcoins) / [ANN] Litecoin - a lite version of Bitcoin. Launched! on: October 09, 2011, 06:14:28 AM
LAUNCHED

Download the binaries from: http://litecoin.org
Check out the source: https://github.com/litecoin-project/litecoin
Wiki: http://litecoin.info
Forum: http://forum.litecoin.net/



Litecoin is the result of some of us who joined together on IRC in an effort to create a real alternative currency similar to Bitcoin.  We wanted to make a coin that is silver to Bitcoin's gold.  Various alternative currencies have come and gone.  Some brought innovation, but they all had problems.

  • ixcoin - Nasakioto premined 580k coins. Seemed like a pump and dump. Competed with Bitcoin for GPU resources - Dead (~2 gh/s)
  • i0coin - Basically ixcoin without the premine. Not much support was given to this coin after it was released. - Dead (~5 gh/s)
  • SolidCoin - Innovative quick transaction times. Appears to have been run aground by CoinHunter, its creator, due to insecure changes and immature forum presence. - Dead, shutdown by CoinHunter
  • GeistGeld - Lolcust premined 7.7 million coins.  15 second block time is probably a bit extreme. - Alive, but limping (~15 gh/s)
  • Tenebrix - Lolcust premined 7.7 million coins.  CPU proof of work using scrypt is very innovative.  Price doing fairly well on btc-e.com. - Alive (~0.003 gh/s)
  • Fairbrix - Basically Tenebrix without the premine.  First launch was crippled due to bad config.  Relaunch attacked initially - Doing OK now, but no exchange so far. - Alive, but limping (~0.0001 gh/s)

We wanted the best innovations of Bitcoin and these other currencies to create a coin with all of their benefits, but nearly none of their problems.

Proof of Work

We really liked Tenebrix's Scrypt proof of work.  Using Scrypt allows one to mine Litecoin while also mining Bitcoin.  We humbly offer a big thanks to ArtForz for the implementation.

Premines

Litecoin will come with 150 premined coins: just the genesis block and the first 2 blocks to confirm the genesis is valid.  We believe a coin needs to be released in a fair manner.  Having one person (or a group) control a large amount of coins that can be used as they see fit is against the decentralized vision of Bitcoin.  Yes, it is true that without a stash of premined coins, we will not be able to afford to pay for bounties, but we believe people will see the virtue of this coin, invest in it as early adopters, and will be willing to spend time creating services to make this coin better.

Fast transactions

We were impressed by the convenience of SolidCoin's fast transactions.  Although we know that fast confirmations are not necessarily as secure as Bitcoin's slower confirmations, they are very convenient for small merchants who don't need transactions to be super secure. The average Litecoin block takes 2.5 minutes, one quarter of Bitcoin's 10 minutes.  So if merchants wanted to be as safe as Bitcoin, they can wait for 4 times the number of Litecoin confirmations as compared to Bitcoin. But most merchants can readily accept 1-confirmed transactions for small amounts of litecoins.

Difficulty retarget

We will keep the retarget block the same as Bitcoin's 2016, but because blocks are found 4 times faster, difficulty will retarget about every 3.5 days.  The combination of fast retarget times and Scrypt proof of work (Litecoin will not compete with Bitcoin for miners) means we expect to not see the sort of problem Namecoin encountered; hashing power that leaves more suddenly than it came, causing a high difficulty slog for everyone who stayed.

Coin generation

Miners will generate 50 coins per block.  In light of our faster blocks, to properly mimic Bitcoin's generation trajectory, we needed to change the blocks at which coin generation is halved.  Bitcoin generation is halved every 210,000 blocks.  Litecoin generation will be halved every 840,000 blocks.  For those of you doing the math, Litecoin is scheduled to produce roughly 4 times as many coins as Bitcoin, about 84 million litecoins.

Fairness

We have come up with a plan that we believe is most fair.  Some previous coins were released without Windows binaries or without source code; we consider this as unfair as it is unsafe.

We released the source code and binaries ahead of time... 3 days before launch.  People had time to compile the source and run the client on their machines against the Litecoin testnet.  So people were able to make sure everything was working well before the launch.  We also had a poll so that people can vote for a launch time that best suits them.  At the time of the launch (Oct 12 03:00 GMT), we released the genesis hash and everyone started mining at the same time.  All it took was a simple change in the config file in order to mine the real coin instead of the testnet coin.

51% attack

The problem with alternative currencies is that the network hashrate is likely low when the coin starts up, making an easy target for any potential 51% attacker. With a little hope, a little prayer, a lot of hype, and due to our innovative release, there was a large hashrate from minute one.  We believe this deterred any attackers from targeting this chain.  As expected, there was a lot of natural orphaning of blocks, due to having so many people mining on the chain at once.  With block locking at every difficulty change, we were able to avoid any attacks from succeeding. (if there were any)

Source code

The source code is here:
   https://github.com/litecoin-project/litecoin

This is based on the latest Bitcoin code. You can either build the daemon version (litecoind) or you can build the gui version (Litecoin QT). See the build docs.

Similar to Bitcoin, you may want to create a litecoin.conf file here:
    Windows: C:\Documents and Settings\<username>\Application Data\Litecoin
    Win7: C:\Users\<username>\AppData\Roaming\Litecoin
    Mac: ~/Library/Application Support/Litecoin
    Unix: ~/.litecoin

Port is 9333. Open if on your router if you know how. This will allow you to have more than 8 connections.
And default RPC port is 9332. This is the port miners will use to communicate with your client/daemon.

Sample litecoin.conf file:
Code:
server=1
rpcuser=user
rpcpassword=password

#Change this if you want to use a different rpc port for mining
#rpcport=9332

#Only uncomment this if you are running litecoind and want to run Litecoin in the background (not Litecoin QT)
#daemon=1


So tell us what you think. Come to the Litecoin forums (http://forum.litecoin.net) or drop by #litecoin or #litecoin-dev on freenode IRC to chat.
1357  Alternate cryptocurrencies / Altcoin Discussion / Re: [Announce] Fairbrix relaunched! on: October 09, 2011, 01:42:24 AM
I just like the fact that there isnt 7.7 million pre-mined coins.. a lot!

However, is there support behind this Coin? Development?

Well, that's my worry too, that's why I am mining more of Solidcoin 2 as the earlier Solidcoin has shown a lot of good organization.

I will support it as much as I can. Unfortunately, you get what you pay for so to speak. With 7.7 premined coins, Lolcust has a lot of incentive to support Tenebrix. With 5% tax, CoinHunter has a lot of incentive to support SolidCoin. Whatever little fbx I have were orphaned by the attack. So I don't have that much incentive. The only reason why I spend time making it better or talking to pools and exchanges is because I feel responsible for it since I kicked off the relaunch.

So yeah, if you mine now when the difficulty is still low, you may get paid off handsomely if I manage to convince an exchange to support this coin. And if not, you would have wasted your time. Your choice! I will do the best I can. Smiley
1358  Alternate cryptocurrencies / Altcoin Discussion / Re: SolidCoin v2.0 Public Beta on: October 09, 2011, 01:24:26 AM
What is it with CoinHunter that brings out the worst of people?

You see it's not CH/RS... he has posted all of a couple times out here but these tools swarm like white on rice.  All I can guess is that they are bored at the very least.

But what I'm seeing is that somehow CoinHunter causes people to go towards extreme ends. You either hate him or you love him, there's no in between. This is a trait of some natural born leaders. I have to give him credit for that. He does manage to get very loyal followers.
1359  Alternate cryptocurrencies / Altcoin Discussion / Re: [Announce] Fairbrix relaunched! on: October 09, 2011, 01:13:11 AM
What is there to kill? Until it gets an exchange I dont think people will mine it.. Unless you can trade it for something whats the point?

I guess those early bitcoin adopters were stupid to mine 1000 bitcoins a day way back when there were no bitcoin exchanges around.
1360  Other / Archival / Re: delete on: October 08, 2011, 12:14:59 AM
Totally fabricated statemnts on tour quote. Yes I hit FBX, if you want to play word games claiming a reorg isn't an attack, ok....

I defer to Coblee, was it an attack or reorg? Is there a difference LOL  Grin Grin Grin

BitcoinEXpress, I'd say if it was not intentional then it's not an attack. But if it was not intentional, why don't you show some good faith and return the coins to their original owners before the reorg? If you send the coins to me, I will make sure they get to their rightful owners. If you do that, people won't be as upset at you.

1) As I told you in PM, the coins were destroyed, they're gone, not coming back.
2) Thanks, but I really do not care if people are upset with me
3) All Alt Chains are nothing more than test subjects to me except for TBX, I like TBX.

I didn't get your PM. I wonder how that got lost. Well that sucks. Oh well.
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