Oneminers is a mining platform that enables users to participate in cryptocurrency mining without requiring advanced technical expertise or hardware. We offer a user-friendly interface and access to robust data centers with cheap electricity for effective mining operations.

Oneminers, previously recognized as Kentino, boasts over a decade of expertise in mining and data center administration. First crypto mining experience come from 2012. Our expedition commenced over ten years ago, and our commitment to transforming the mining landscape has remained steadfast ever since.

Oneminers hosts crypto miners at premium data centers in Nigeria, Norway, Czech Republic, USA (Texas & South Carolina), Dubai, Finland, Ethiopia, and Paraguay. These centers offer ultra-competitive electricity rates starting as low as $0.03/kWh, excellent uptime guarantees (99%+), advanced cooling technologies, and scalable hosting for both individuals and large mining operations. Notably, the Nigeria and Norway Arctic centers focus on sustainability using renewable energy and efficient cooling. Miners can remotely monitor their equipment anytime through Oneminers' platform.

For more details about locations, features, and plans, please visit:
https://oneminers.com/pages/hosting-centers

Oneminers sets itself apart through a blend of extensive experience, global presence, and dedication to sustainability. We provide 7 years warranty, 95%+ uptime, our own mobile application, AI Smart Mining function, competitive fees, automatic conversion of mined coins to BTC, remote machine access, and automatic energy payments from mined coins for added convenience. Furthermore, our expansion into the Asian market is poised to elevate our service offerings even further.

Payments can take up to 5 business days to process. Please note that processing times may vary depending on your bank or payment method. We appreciate your patience while your transaction is completed.

If it has been more than 5 business days since you made the payment, please check with your bank first. If the issue persists, contact our support team with your transaction details so we can assist you.

We accept:

• Crypto (BTC, USDT, USDC, ETH)
• Bank Transfers (invoice payment)
• Hosting Account Balance
• Payment in Person (main office in Prague)

Please restart your miner and check the connection status. If the issue persists, you can submit a support ticket via the dashboard or contact us through WhatsApp for faster assistance. Be sure to provide the miner serial number and any error messages you are receiving. 

As of October 2025, OneMiners has introduced several major updates to help customers benefit more from crypto mining:

• USA ASIC Hosting is now available with no service fees, helping miners maximize their profits.​
• The new Pay Later feature and 4-Month Split Plans give everyone added flexibility to get started quickly and pay for mining equipment over time.​

Oneminers prioritizes sustainable mining practices. Our data centers are strategically situated in regions abundant with renewable energy sources, such as Norway, underscoring our commitment to fostering a greener and more sustainable future for the cryptocurrency sector.

To maintain security and safeguard the confidentiality of our clients, we do not disclose precise data center locations. Nevertheless, for clients making substantial investments, we do provide private tours under stringent security measures. These tours offer clients valuable insights into our operations and are exclusively available to those who meet specific investment criteria.

You can contact us through multiple channels. For general inquiries, please email us at info@oneminers.com. If you are interested in sales or partnership opportunities, kindly reach out to sales@oneminers.com. For technical support, feel free to contact support@oneminers.com. Additionally, you can easily reach us via live chat located on the bottom-right side of this page.

For our European clientele, we provide shipping via DHL Express and local pickup. DHL Express typically delivers within 1-6 business days following order processing, while local pickup arrangements can be made within 1 business day. Our pickup location is situated in Prague, Czechia and Dresden, Germany.

Customers in the UK and Ireland have the option to select between DHL Express and local pickup. DHL Express typically delivers within 2-7 business days following order processing,. Local pickup is possible after prior notice at Bristol, United Kingdom or in London, UK.

For international customers, we provide UPS® Air Freight Premium Direct and DHL® Air Freight options. UPS generally delivers within 3-7 business days following order processing, while DHL offers a similar timeframe for delivery.

The shipping cost for an order is calculated based on various factors including the weight and destination of the products, as well as the selected shipping method. While we aim to offer accurate estimates, exact shipping costs may be challenging to pre-calculate universally. In instances where the shipping price significantly differs from the actual cost, we will reach out to you to resolve any discrepancies. Usually to ship an ASIC miner from production factory in China it costs about 200 USD by air.

If you've paid for your order with digital currency (cryptocurrency) through Oneminers, the tax implications depend on the laws and regulations of your country or region. Cryptocurrencies are often subject to specific tax rules, and these can vary significantly across America, Asia, Africa, Europe and other parts of the world. We recommend consulting a tax professional or financial advisor to understand how cryptocurrency payments may affect your tax obligations.

Yes, we do! We offer ASIC miners that are shipped directly from China and Hong Kong. We handle the shipping process from our hub in China, ensuring your order is delivered to you efficiently. To learn more about how we ship your miners directly from the manufacturer, please contact us.

For products shipped from the Czech Republic, the transportation times are estimated as follows:

• Czechia: 1 business day
• Germany, Austria, Slovakia, Belgium, Denmark, France, Italy, Luxembourg, Netherlands, Poland: 1-2 business days
• Spain, Portugal, Switzerland: 2-3 business days
• United Kingdom, Ireland: 2-4 business days
• Bulgaria, Croatia, Estonia, Finland, Greece, Hungary, Latvia, Lithuania, Romania, Slovenia: 3-5 business days
• Iceland, Norway, Sweden: 4-6 business days
• USA, Canada: 4-8 business days

Please note that these are estimated shipping times and actual delivery may vary depending on various factors.

At Oneminers, we prioritize the safety of your products during shipping. Our dedicated team meticulously packs each order using premium materials such as bubble wrap, packing peanuts, and durable boxes to safeguard your items against damage. We collaborate with trusted shipping carriers to ensure timely delivery and uphold the integrity of your order throughout the shipping process.

We offer a product warranty (7 years) for defects, aligning with Czech & European legislative standards. This warranty period underscores our commitment to providing our customers with high-quality and dependable products.

To claim warranty for a product, certain conditions must be met:

1. The product must be used in accordance with its intended purpose and as per the provided instructions for use.
2. It should not have sustained damage due to improper handling, usage, or storage.
3. The product must not have been altered or repaired by unauthorized individuals.

Meeting these conditions ensures that warranty claims are valid and can be processed effectively.

No, the warranty does not cover normal wear and tear or consumable items such as batteries, light bulbs, and similar components. It is specifically designed to address defects in the product's manufacturing or functionality.

To make a claim under the warranty, customers are required to provide proof of purchase, which can be in the form of a receipt or invoice. This documentation helps us authenticate the claim and ensure that the customer receives the appropriate support.

After the warranty period ends, we still provide valuable services through our after-warranty service. This includes serving as an authorized service repair center for ASIC miners in Europe. Although this service is paid, we aim to offer competitive pricing while maintaining top-quality results.

Under our after-warranty service, we offer the following services:

1. Repair services for products no longer covered under warranty.
2. Sale of replacement parts such as batteries, light bulbs, and other components at a lower cost than the original manufacturer.
3. Provision of technical support and remote assistance.
4. Maintenance and cleaning services.
5. Recycling services for products at the end of their lifecycle.

All these services are offered at competitive rates to ensure customer satisfaction.

At Oneminers data centers, profits generated by miners are automatically deposited into the user's wallet. These earnings are seamlessly integrated into the user's dashboard, allowing them to easily track their earnings. Users have the flexibility to withdraw their earnings at any time according to their preferences.

No, there is no specific threshold for requesting a withdrawal of profits. Users are eligible to request a withdrawal at any time, regardless of the amount earned. This policy offers flexibility and convenience for our users.

To request a withdrawal of their profits, users can access their customer dashboard and locate the withdrawal option. During the payout request submission process, the withdrawal fee associated with the request will be clearly visible to the user. You can set up automatic payouts treshold to yours cryptowallet as well.

Yes, there is a withdrawal fee associated with the process of converting earnings to Bitcoin and transferring them to the user's wallet. This fee is always visible at the time of payout request submission, ensuring transparency in the process. The fee is calculated based on the current network fee and is subject to change based on market conditions. Similarly, fees for converting assets to other cryptocurrencies are also applicable.

Profits are paid out to the user's wallet on a regular basis to ensure timely access to earnings. Our system is designed for efficiency, facilitating automatic conversion and transfer of earnings to provide a seamless user experience.

Withdrawals using wire transwer or SEPA payment or other direct tranfer to your bank account takes little bit longer than crypto withdrawals. It takes anywhere between 2 days to 7 days depending on your bank. This is unique feature that is revolutionary in the crypto industry. It can takes several days. Futhermore please note that if you do 2 withdrawals we will process them separately and wait for the first one to arrive to your account. One of the reasons for this is to not flag this at your bank as a double received trasnaction.

In our mining hosting centers we can host the majority of air cooled crypto miners along with most hydro miners. Crypto miners with form S21, T21 or any hydro miners like D1 hydro can be hosted. For more info please contact us at: info@oneminers.com

Generally we offer 7 years warranty for your ASIC miners. It is very strong commitment for us. We operate dedicated service centers and optimize our data centers and crypto mining farms to ensure your ASIC miner operates reliably for 7 years. If it fails, we’ll promptly repair or replace it.

Upon delivery, the warranty is typically 12 months, but for hosted miners, it extends to 7 years. We have repair center and strong commitment to host miners with the highest "gold" standard.

We project our current data centers to each operate for next 15 years. We give you aguarantee of 7 years that our data center will be operational. In case of unforseen events, we will transfer your miners to alternative data center free of charge to ensure continuity in operation.

You can withdraw your profit from crypto mining or any other operation simply by pointing it to your own crypto wallet. You can set up treshold for automatic withdrwawals. You can withdraw your earnings in KASPA coin, BTC - Bitcoin and others. You can withdraw your earning also by wire transfer or SEPA transfer directly to your bank account in USD dollars or EURos.

Withrawals after processing are instant when you process your KYC. However please note that Bitcoin transactions can take hours and even more when there is spike in their amount in the network and processing fee for transaction in current block exceed fee expected based on calculation of fee of previous blocks. Also direct international wire transfers and SEPA transactions takes longer and sometimes banks process it for days. KAPSA withdrawals are the fastest.