Archive for the ‘General Info’ Category


After the end of the week long CexIO promotion with up to double rewards for their new Ghash LTC mining pool most of the users have left their pool, but still they’ve had about 7-8 GHS worth of mining hashrate remaining. Probably people that are mining there just because of the 0% pool fee, something that can easily be compensated if mining in pools with automatic alt coin switching based on profitability. Interestingly enough today the hashrate in the LTC mining pool has jumped to over 20 GHS with no apparent reason. The only way for this to happen is if some of the other larger pools is forwarding their mining hashrate via a proxy to the CEX mining pool, or if somebody is using a kind of man in the middle attach to do so and forward some pool’s hashrate to mine for his own account. So you might want to keep a closer look at your miners and profitability today in the pool you are currently mining at just to be sure. At the same time the total network hashrate for the Litecoin is showing some significant drop, so the next difficulty adjustment will most likely bring down the difficulty. This could however be a direct result of some new alt cryptos that are attracting a lot of users to switch to them due to significantly higher profitability than directly mining for LTC or with the potential for such.

Update: It seems that after passing 30 GHS total LTC pool hashrate the mining pool is starting to have issues again, though it is possible that they might be getting DDoS attacks as well as apparently other mining pools do at the moment. This is creating problems not only for the LTC mining pool, but for the BTC mining pool there as well. So it might be a wise idea to move to another pool if you are mining there at the moment in order to avoid possible downtime. Of course you should have multiple backup pools available in order to be able to handle such problems without any downtime, but many people still seem to set just a single mining pool in their miners. And while at the moment is having trouble and you might just see a CloudFlare warning instead of the actual pool website, the other “main” website of the service CexIO seems to be running just fine. It is not very clear what is happening with the people that have purchased cloud mining hashrate for the moment, but since the pool is down it is possible that the mining hardware for the cloud mining service might not be able to operate as well, though in such cases the users are usually getting compensated for the downtime of the cloud mining hashrate by the service after the issue is resolved. And it seems the downtime was very brief and the service is starting to get back to normal…


If you have initiated a withdraw request at the Kraken crypto currency exchange around 17th of March and you still haven’t received the money you might want to contact the support. It seems that there might’ve been some problems with the bank servicing the payments at around that time, and withdraw requests made earlier or later might not be affected at all. So if you are still waiting for your money and you have made a withdraw request around that date you might want to contact the support in order to resolve the issues as some users have already reported having a problem. Below is a quote from a response from Kraken’s support regarding the issues:

We have noticed that a few of our users are waiting for withdrawals with the status “success” sent on the 17th March, even though withdrawals initiated after that has arrived. Something is definitely wrong and we are investigating this with our bank, I’m sorry for the delay, don’t worry your funds will show up in your account as soon as we have found the cause of this delay and fixed it.

Our guess is that it is a problem with the banks API, there has been problems with that in the past, and they are examining the API issues and will return to us with more information.

This issue has only affected withdrawals initiated around the 17th of March.

So far our experience with the Kraken crypto exchange has been very positive and they are really fast in servicing withdraw requests, so we are expecting that this issue will quickly be dealt with and the users that had problems with their transfers will soon get their money available in the bank accounts.


We’ve been getting quite a few questions about where to order Gridseed ASICs from, so we have decided to compile a short list of places that offer Gridseed 5-chip BTC/LTC ASIC miners. Note that we cannot confirm the reliability of these distributors and resellers of Gridseed, simply because we have not ordered from all of them, so do treat this list with caution and be careful where you order from. A good idea is to start with a small order to test the seller first and then make a larger order for more units if you are happy or go to another seller. The best option would be to go for a company selling in your Country or Region, even though you might be able to get better prices with Shipping directly from China. The idea is that you could be able to get the miners faster and with less possible problems, especially if ordering from a seller you are not sure you can trust!

Gridseed, the official manufacturer’s website where you can order directly for the best price. Note however that they accept minimum order quantities and the quoted official price is about $158 USD per unit. The shipping is done from China, so it will be more expensive to ship to Europe or USA an there will be extra taxes to pay. This is a good option if you want to become reseller of Gridseed, not something a normal user would do due to the very high MOQ.

MinerEU, this is the only company we have personally tested so far and can confirm that we have received our order without problems and on time, exactly as promised. This seems to be the best place to order if you are based in Europe as they Ship from London, UK, however they do also ship overseas with orders dispatched from China to US and Asia. Currently out of stock with a new shipment expected to arrive soon, $235 USD per unit and lower prices for orders of 10, 30 or 50 units.

Miners World, a Netherlands-based online store selling ASIC devices (Europe) that has in stock only 10 miners package with all accessories, the price for the kit is € 2499 EURO. The site is not in English, so you might have trouble ordering from there, unless you are based in NL.

Hashra, claims to be a UK & Hong Kong based company, but is shipping only from China. Currently has on stock 10 miners pack with all accessories for $2425 USD and 20 miners pack with all accessories for $4835. Their website lists positions for only the miners in packs of 10 or 20 without extra accessories, but these are currently out of stock.

JustASIC, apparently a USA-based company shipping only to US. Claims to have one of the best prices for Gridseed ASICs at $165 USD, but you cannot order a single unit, you can only order packs of 20 units for $3300 USD ($165 per miner) with no extra accessories included, currently with available units on stock.

Zoomhash, apparently based in LA, Califronia, USA with local stock available. They do seem to ship worldwide as well, but they are probably a better choice if you are based in US and not somewhere overseas. The price per single unit is $214.99 USD without any accessories (we’ve seen a photo taken by us posted on their website of our early revision unit). You can also order 10 devices with accessories for $1999 USD, or 20 devices with accessories for $3899 USD and their store also has some other mining accessories such as PCI-E risers.

Hash Master, another company that seems to be based on Los Angeles, CA, USA. Apparently they do also ship internationally, not only in USA, but information about international shipping is posted in product pages. Price per single miner is $238 USD and you get only the miner with a USB cable, no PSU, but they do sell accessories separately as well, and for a single miner with all accessories including a PSU you will have to pay $330 USD. They also offer packs of 10, 20, 50 and 120 miners that include all of the necessary accessories to make them run without the need of a PC.

GAW Miners, a East Longmeadow, MA, USA-based company selling both the mining hardware and ASIC hardware and hosting services as their location. Also what makes them different is their 5 Day Delivery Time Guarantee and the fact that they claim to offer 24 hour support service to customers. No clear information about international shipping, though apparently they do support it. We were actually contacted a few days ago by the company’s CEO, who sent us some nice photos of their custom multiple unit miners in action – you can see one of these photos in the top of this post. The price per single miner they sell is $189.95 USD for a single miner with no accessories, a 10 miners pack with accessories is available for $1999.95 USD, and you can go for their custom miner packages consisting of more devices that are ready to provide you with 15 MHS, 25 MHS or 42 MHS of hasrate that include everything you need to setup and run the devices.

Helixminers is a Deerfield Beach, FL, USA-based company though it seems they also have a distribution center in Sao Paulo, Brazil, but the good news is that thy ship worldwide. For the moment the company sells only Gridseed ASICs, though they let us know that they will be reselling the ASIC hardware of many of the other companies that have announced to be working on such devices with shipping dates set of later this year. A single 5-chip miner currently costs $175 USD, ad the company also offers larger packages with 8, 16 and 24 miners including all accessories required to start mining immediately and you can also buy accessories separately if you wish to.

EyeBoot is a Hong Kong, China-based company that sells both Bitcoin and Litecoin ASIC miners. The prices of most SHA-256 ASIC devices are not very attractive, besides the ones of some USB ASICs, but the ones for Scrytp miners are lookign better. They do offer the single chip GC3355 Dualminer devices for $80 USD, the 5-chip ASICs for $140 USD fr a single device along with packs of more devices that provide you wiht a better per unit price. There is not much details about the shipping of products, but we presume they do ship Internationally.

UBERASICS is a Netherlands, Europe-based company that may seem like a good choice for ordering from Europe, though unfortunately they do seem to ship only to some Western Europe contries only and there is no option to pay with crypto coins. A single 5-chip Gridseed miner will cost you 189 EURO or 199 EURO with all the needed accessories, there is also an option to buy a 10 pack kits that will be a bit better in terms of price per unit and accessories separately.

USBMiners is another Netherlands, Europe-based company that sells not only Gridseed products, but also various other mining hardware in the form of SHA-256 ASICs and even GPU miners. They offer the single CG3355 chip DualMiner at a price of 79 EURO and a single 5-chip Gridseed ASIC will cost you 124.95 EURO and yo have options for multiple unit packs that should normally give you a better price per unit, though the prices for 10 and 20 unit packs are actually higher that for the same amount of units with the single unit price. The company does seem to ship Worldwide.

There are probably quite a few more resellers/distributors offering Gridseed ASIC devices that we did not cover here, we don’t know about all of them. Do note however that we have not personally tested any of the listed sellers, unless otherwise noted above, so we give no guarantees about these companies whatsoever. So regardless of where you decide to order proceed with caution and do not start with a big order directly, test with a small one to confirm that everything is Ok, before ordering more miners. We do recommend to use a local seller if possible and not order from overseas as this can be more expensive, cause delays and bring other issues as well, even if the price seems more attractive often the end result might not be worth it. Feel free to share your feedback if you have used any of these sellers and if you can recommend another one that is not listed yet.