Purchase Policy


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

Refunds & Exchanges

BigTop Mining does not provide refunds or exchanges for units purchased from BigTop Mining. Any machine issues need to be taken up with the respective ASIC manufacturer.

In the event we make an exception and grant a return, buyer is responsible for return shipping charges plus a 20% restocking fee.  No exceptions.

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: BigTop Mining assumes no responsibility for production delays, delivery delays, machine underperformance, machine failures, or component/ engineering issues.

Note 4: All invoices expire after 24 hours of the Invoice Due Date. BigTop Mining 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.

BTC Payment Conversions

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.


By paying for this invoice and paying the security deposit, you are agreeing to the BigTop Mining Hosting Terms and Conditions. The Terms and Conditions are available on request.