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The pool automatically serves work of optimal difficulty by estimating the speed of your miners and applying gradual adjustments to the share target. It may take a couple minutes for the difficulty to stabilize. Share difficulty changes do not influence your expected earnings. Do not insert any whitespace or thousands separators. Keep in mind that difficulty can only be set on a per-connection basis, so if you connect multiple workers via a proxy they will all share the same difficulty this is a limitation of the standard Stratum protocol.
Moreover, the server may round or cap the difficulty you asked for in order to prevent denial-of-service attacks. Keep in mind that some ASIC devices particularly older ones may malfunction if you don't set an appropriate difficulty manually. Additionally, the pool also supports BFGminer's --request-diff option to manually set an initial share difficulty. This makes it impossible for a man-in-the-middle attacker to send malicious spoofed requests to your miner.
All our servers support this feature, including the Tor hidden service. If you have many miners running within a local network, it is best to use the Stratum proxy for Litecoin mining. This proxy allows you to significantly reduce your bandwidth usage.
The Python source is available here , and a binary for Windows here note that this is not the same as Slush's proxy, as it is optimized for Litecoin. You start the proxy on one of your machines as follows:. Then you connect your miners to that machine on port with the usual pool worker username and password. For example, if the proxy is running on FAQ Would Litecoin mining be profitable for me? In practice, nowadays you can only make a profit by using ASIC application-specific hardware.
Check out our mining profitability calculator. Litecoin and Bitcoin use two very different hashing algorithms scrypt and SHAd, respectively. Is there a pool fee? No, even the nominal PPS fee was removed when merged mining was introduced. What is the PPS ratio? In practice, a Litecoin solo miner will always achieve a slightly lower ratio in the long run. For this reason, merged mining does not cause sudden difficulty spikes and does not harm any of the involved networks.
How and when does the PPS ratio change? The PPS ratio depends on factors such as the current network difficulty and market price of merged-mined cryptocurrencies. Since these elements can be highly volatile, the ratio can change at any time. Where is my Dogecoin balance? The pool does not keep balances for Dogecoin or any of the other cryptocurrencies that it merge-mines.
All accounting is done in litecoins based on the current PPS ratio, which takes everything into consideration. Simply put, this means that instead of receiving separate payments in several cryptocurrencies, you receive more litecoins. Can I use the same worker name and password for more than one physical miner? Yes, but if you use different workers it is easier to track your miners' performance.
Your expected rewards will be the same either way. What happens if I reset a worker? A reset resets all of a worker's counters and statistics: It does not affect an account's rewards or global statistics. What is share difficulty? Share difficulty is a number that gives an indication of how difficult it is to find a share. The lower this number, the more shares a miner will find at a given speed, and the lower their value.
For this reason, share difficulty does not affect miners' expected earnings. Why does the pool report more shares than my miner? This pool serves variable-difficulty work units, so when you solve a share the pool counts it with multiplicity, according to its difficulty. For example, if you solve a share that is four times as difficult as the baseline share, it gets counted as four shares.
The technique of adapting the difficulty to each miner's hash rate allows the pool to measure workers' speed more precisely while keeping bandwidth usage optimal. How does share difficulty influence my earnings? A higher share difficulty can only increase the variance, but not in a significant way. How is the value of a share a. The standard PPS formula is used: Do block finders get extra reward? That would go against one of the main goals of the PPS system , which is to minimize variance.
It would also make miners who don't find blocks earn less, as the PPS rate would need to be adjusted downwards. We do list recently found blocks and their finders, but only for the sake of transparency. How do idle worker notifications work? You have the option to let the pool monitor your workers and notify you with an email when they go idle.
Monitoring can be enabled separately for each of your workers , so if you wish you can have the pool monitor only a subset of your miners.
If multiple workers go idle simultaneously within one minute , you will only receive one email listing all of them. You will not receive further notifications for any given worker until it starts submitting shares again, and in any case not before 15 minutes have elapsed since the last notification.
Can I use an exchange address for payouts? While technically possible, we strongly advise against using addresses provided by exchanges or other third-party services.
One of the main problems is that you do not fully control these addresses, and in particular if a problem arises you usually have no way to prove that you are the legitimate owner. On the other hand, if you create an address on your computer using any wallet software, you can easily produce a digital signature.
If you decide to use a third-party address anyway, we strongly recommend that you do not lock the address. This is because at any point an exchange may stop accepting funds to an address and require you to use a new one yes, this has happened. Why am I not receiving payouts? The exact conditions for payout are listed on your Payments page.
Please note that for your own security, whenever you change your payout address all payouts are suspended for 24 hours. It is perfectly normal to get this message a few times per minute. It simply means that your miner is switching to a new work unit, because the previous one is no longer valid.
Because of the stochastical nature of mining, frequent work updates which are necessary for efficient merged mining do not mean that your work goes wasted. That is also normal for some mining software. I've just started mining and all my shares are being rejected, what's wrong? Make sure that your hardware and software support scrypt mining, and that they are configured correctly.
Configuring a GPU for Litecoin mining strongly discouraged at this point can be particularly challenging. My miner shows up as online, but with 0 speed. No, something is probably wrong with your configuration. See the previous question. Why doesn't the hash rate reported by the pool match that reported by my miner? Because of how pooled mining works, the pool has no way of knowing your exact hash rate, so it can only estimate it based on how frequently you submit shares.
After you start mining, it takes about 10 minutes for the estimates to become accurate. They will never be very precise , though; even if your miner's hash rate is steady, the pool estimate will keep fluctuating around the actual speed.
The pool keeps reporting a much lower hash rate than my miner. If the estimate displayed on the site remains consistently too low even after a few hours, then chances are that you are experiencing hardware errors. Mining software usually checks every solution generated by your hardware devices, and if one turns out to be incorrect because of hardware errors it rightfully doesn't even submit it.
Since pools can only estimate your hash rate based on how many solutions you submit in a given amount of time, their estimate will be lower than your real raw hashrate. This raw hashrate, which mining software usually displays, is, however, not meaningful if the solutions your card generates are wrong. If using cgminer or one of its derivatives, such as BGFminer, you need to make sure that all not just the top one of the HW figures are zero or next-to-zero; if that's not the case, you need to review your settings.
There are many things that can cause hardware errors, but the most common ones are: It is worth noting that modern ASIC circuitry tends to deteriorate with time and use, and that when one of the many hashing modules inside an ASIC goes bad there is usually no way to fix it. What are stale shares? Servers provide each miner with some unique data that the miner must use to find a share. This data needs to be updated every time a new block appears on the Litecoin network, and that's why servers must promptly notify miners when they detect a new block.
Every second you keep on mining for the old block is wasted, because that block has already been found. Stale shares are caused by latency, which can happen at various levels. The most obvious cause is a high ping time to the server, which however shouldn't affect the stale rate by more than 0. Should I set the --no-submit-stale option in cgminer? No, you should not set that option. If you set it, your rewards may be lower.