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15981  Bitcoin / Mining / Re: Newer variant of Catalyst (8.892)11.9 out(might fix 100 % CPU bug). on: September 20, 2011, 07:50:00 PM
I *think* the newest beta version ONLY fixes the bug with single GPU (or maybe it is single card).

Looking on AMD support forum it looks like there are actually two bugs. One bug only affect multi-GPU and the other affects all cards.

I suspect AMD only fixed the later.  

Anyways those saying it did work indicate how many GPU (and/or cards if you have multi GPU cards) you have.  Same for those who don't.  I suspect everyone who says it works has only one card (maybe only one GPU).  Everyone who says it doesn't has multiple GPUs (or maybe multiple cards).  Also include OS.

I'll go:
Windows 7
2x 5970s
My system has the 100% bug running 11.9
15982  Bitcoin / Mining software (miners) / Re: Why doesn't anyone write a way to fake cores? on: September 20, 2011, 04:09:12 PM
Awesome jkminkov  thanks.
15983  Bitcoin / Bitcoin Discussion / Re: Bitcoin Transaction Volume on: September 20, 2011, 04:06:25 PM
If we have both low transaction volume and low fees then it could be a problem.

Even then it isn't a problem due to difficulty change.

Say in 2030 transaction fees per block (the product of transactions per block & average fee per transaction) are so low at the then current difficulty that they don't cover electrical costs.

The network won't fail.  Lots of miners will turn off their equipment and the hashing power of the network will decline.  Eventually difficulty will reach equilibrium with transaction fee volume.  Obviously a larger network both in terms of transaction volume and hashing power is preferable because it makes attacks more difficult but the network can reach equilibrium at any point.
15984  Bitcoin / Bitcoin Discussion / Re: Bitcoin Transaction Volume on: September 20, 2011, 03:47:24 PM
As the volume of transactions gets higher and the incentive for finding blocks gets lower (bitcoins per block get divided by 2 every 4 years, and difficulty is rising quickly), isn't there a risk that in the future, fees become the main incentive, increase dramatically in price (and also become unavoidable)? Then doing a bitcoin transaction would be for rich people only. We certainly don't want Bitcoin to become a rich people tool – those who can afford the high taxes.

The good thing is that there is no central planning agency for bitcoin.

Fast forward to after last coin has been mined.   Some miners may want a high transaction fee and will ignore transactions with a low fee.  However no ever miner will.  some will accept a lower fee, some an even lower fee.  some will accept any fee at all (even 0.000000000000001%) and some will simply accept fees to be a "confirmer of last resort".  Why will they do that?  Maybe they have a bitcoin business, maybe they are running an exchange, maybe they have a lot of wealth in bitcoin.  All those entities are best served by keeping the network functional.

So the amount of transaction fee can only determine how fast a transaction in processed.  As long as a single node (even yourself) is willing to process transactions for free (or for very low fee) all transactions will eventually be confirmed.
15985  Bitcoin / Bitcoin Discussion / Re: Beenz vs Bitcoin on: September 20, 2011, 03:37:06 PM
I think Beenz lacks any similarity to bitcoin.

Beenz was a centrally planned economy.

The Beenz corp was the only entity which could "sell Beenz" (give Beenz, collect dollars), and "buy beenz" (give dollars, take beenz).  The buy & sell rate were artificially fixed and a 3% spread was impossed.  The business model was that the company would make 3% on beenz -> dollar conversion.

Beenz served no purpose, had no advantage over credit cards or paypal.  It existed solely to allow the owner to profit.  It gave neither the merchant nor the consumer any advantages.    Worse it locked them into a propreitary monopolistic system.  While the vig was only 3% if beenz ever caught on the company could increase that any % and there would be absolutely nothing any entity could do (except stop using beenz). 

The company made it that they were the only entity who could exchange beenz for USD.  Imagine if the founder of bitcoin decided to design the system such that he and only he could exchange bitcoins for dollars.  Would you even be on this forum today?

The only similarility was that both bitcoin & beenz are  harder to use than CC/paypal as very few merchants accept them.  However w/ bitcoins one has the ability to trade to/from fiat currencies from any entity you wish.  

At least w/ bitcoin that "difficulty" is offset by advantages (p2p network, low fees, anonymous transactions, no central authority, self healing nodes, etc).  Beenz simply impossed additional cost & restrictions and offered absolutely no advantages.

Simply put beenz served no purpose and had no advantages and thus it failed.

Imagine tomorrow I started DeathPal.  It works just like Paypal except the fee is 300% of what Paypal charges.  It offers no advantages over paypal and keeps all the existing limitations.  Say I get $100M venture capital money. Do you think I am going to replace Paypal?


15986  Bitcoin / Mining / Re: What Is The Highest Fee Ever Collected For Mining A Block So Far? on: September 20, 2011, 01:55:19 PM
Unless the discoverer of a block can explicitly state "I don't want to confirm a transaction unless it pays me > xx  BTC in fees" then all transactions will get confirmed at the same rate. Is that the case?

That is exactly the case.  The pool/miner decides what is included in the block.  Currently most miners include all transactions in the block regardless of fee however that is slowly changing.  Eligus pool I believe only includes transactions that include a fee in blocks they mine.

Also blocks have a finite fixed size.  If there are more transactions than the size of the block then all miners must choose which transactions to include.  Obviously they aren't going to drop any "paying" transactions.

Thus the average length of time it takes to confirm you transaction depends on how much of the network is including you in the next block.  If 100% includes you then it will be ~10 minutes.  If 50% includes you then it will be 20 minutes.  If 1% includes you then it will be 16 hours.

Today w/ no fee ~100% of network includes you in next block.
Today w/ a fee ~100% of network includes you in next block.

However that may not be true in the future.  Hashing takes resources and the block reward will continually decline (and eventually become 0).  Mining pools will start to make decisions about how small of a transaction fee they will accept and that will start to differentiate how long various transactions take to confirm.

"Miners" can't force a fee they can simply choose to include a transaction or not include it.  Future version of bitcoin client could even aproximate how long confirmations will take depending on the fee chosen.
15987  Bitcoin / Bitcoin Discussion / Re: Bitcoin Exchange that except Debit Card deposits on: September 20, 2011, 03:46:39 AM
Is this a real problem? How do banks figure out fraud from real claims? If it's a problem for bitcoin why isn't it a problem for every single thing sold on the internet?

It is a problem.  Credit card fraud costs merchant/banks roughly ~$2.2B a year (2008 latest year I have a stat for).

That is a lot of cost that gets absorbed into the cost of everything we buy and pay for.  That $2.2B is a combination of identity theft, plain-vanilla credit card fraud and so called "friendly fraud" (where buy decides to misreport a transaction as fraudulent/chargeback).

This is one reason credit card fees are so high.  If people want the ease and access of credit cards be prepared for the massive fees and lack of anonymity that come with it.

You can't easily marry bitcoin = anonymous and irreversable with credit cards = identifiable and easily reversable.  The person trading/selling bitcoins (i.e. exchange) will always lose.
15988  Bitcoin / Mining software (miners) / Re: Why doesn't anyone write a way to fake cores? on: September 20, 2011, 03:26:55 AM
The shitty thing is that  if you have a decent CPU the "CPU big" is costing a lot of wasted wattage.

Restricting CGMiner to a single core (@ 100%) reduced power consumption at the wall by 40W.  Make me think we would save another ~10W if it had no CPU bug.

Is there any way to setup an "automatic CPU afinnity?".  i.e. anytime program "CGMINER.EXE" launches it is restricted to core #3?
15989  Bitcoin / Bitcoin Discussion / Re: What is the maximum time for bitcoin to reach on: September 19, 2011, 03:15:06 AM
Usually its 5-6 confirmations later. Depending on difficulty it could be a few minutes or a few hours.

The time for a confirmation should always be ~10 minutes irregardless of difficulty.  That is the entire reason for variable difficulty.
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