Warranty: For new units, an official manufacturer warranty is provided. Please check the warranty rules from the manufacturer’s official website.

Refunds & Exchanges: Best World Miner does not provide refunds or exchanges for units purchased from Best World Miner. Any machine issues need to be taken up with the respective ASIC manufacturer.

When we receive BTC, it is converted into USD to pay for miners and operating costs. In the event that a refund is extended to you as an exception, your refund will be based on the USD value at the time of purchase. The applicable conversion rate on your refund, if taken in BTC, would be the BTC/USD conversion rate at the time your refund is processed.

Note 1: The unit hashrate is estimated, the final unit hashrate may be changed according to production. The total hashrate will be no less than the amount stated on the invoice. If the total hashrate is less than the amount on the invoice, you will be issued a pro-rata $/TH credit based on the purchase price of your order.

Note 2: The price of cryptocurrency mining machines has to be adjusted frequently in accordance with variables like the exchange rate of the cryptocurrency with fiat, the cryptocurrency’s network difficulty, or the expected difficulty increase. Refund requests based on price changes WILL NOT be honored.

Note 3: Best World Miner, Inc. assumes no responsibility for production delays, delivery delays, machine underperformance, machine failures, or component/ engineering issues.

Note 4: By paying for this invoice and paying the security deposit, you are agreeing to the Best World Miner Hosting Terms and Conditions. The Terms and Conditions are available on request.

Note 5: All invoices expire after 24 hours of the Invoice Due Date. Best World Miner reserves the right to reject or refund payment for orders paid after this period. Proof of payment with a date within 24 hours of invoice will also be accepted.