Bitcoin Forum

I started to mine at that rate (I know it a really low rate), but still after 8h of mineing my Slush pool account says I don't have any BTC.
Why is that? and already passed 1 day, and I wrote the acc and pw correctly in GUI miner.

Did you synchronize your bitcoin wallet? As far as I know if the wallet isn't synchronized then you won't receive bitcoins when you mine. It should say so at the bottom window with how many blocks are remaining.

it says  0 blocks remaining

Going to have to wait for more experienced people to come around then I'm afraid :S

The way that Slush's pool pays for shares will play against you. Each share you solve (and you will solve very few shares with 340 kh/s) will decay very quickly. At slush's pool, the shares towards the end of the block are worth more.

I would suggest going to a PPS pool if you insist on mining. Don't get me wrong, it's great that you love Bitcoin, and want some for yourself, but at 340kh/s, you are putting a strain on your system and the gains aren't worth that strain.

yeah I know, jsut want to make my first transaction to mtgox, then I want to sell there, so I can see for sure how it work, then I will try to get a better mining system, ty for your answers I will need to find a new pool then :)

Are you sure it is "khash/sec" and not "mhash/sec"?
340 khash/sec will get you 0.00009 BTC per day at best. Do you do the mining on your CPU or on your graphics card?

So a couple things:

1) When you mine @ slush (or any pool) the funds go to your pool account.  You then need to transfer them to your wallet.  So login to your pool account and see if the funds are there.

2) 340 KH/s is nearly worthless (and almost certainly worth far less than the electrical cost and wear on your computer). At 340 KH/s the "expected return" is ~ 0.000143333 BTC per day (no that isn't a typo). 

3) When mining in a pool the minimum unit that is payable is a share.  At 340 KH/s you would expect to solve roughly 7 shares per day (many miners solve 7 shares per second) however there is an element of chance involved.  Given you will only solve 7 shares per day on average it is possible you could go days (or even weeks) without solving any or you could solve a lot more than 7 in one day.

4) Having a throughput that low makes it difficult to troubleshoot.  Remember there is a random element to mining so it is hard to say if it is just bad luck or if you have something screwed up.

1) There is still 0,00000000 in my pool wallet, I knew that.

Are you using your Graphics card or CPU to mine?

Just uh.. Gonna drop this here....
Never use a CPU to mine bitcoins...
https://en.bitcoin.it/wiki/Mining_hardware_comparison