Welcome to Bitmain Ant Miners 21 — your trusted source for genuine crypto mining hardware and accessories.
This guide explains how to place your order safely and securely on https://bitmainantminers21.shop and how to complete payment using USDT or Bitcoin (BTC).


Step 1: Browse Our Products

  • Visit our online store at https://bitmainantminers21.shop.
  • Browse through our range of Bitmain Antminers, Whatsminers, Goldshells, and other mining hardware.
  • Click on any product to view its full specifications, features, and pricing details.

Step 2: Add to Cart

  • Once you’ve selected a product, click “Add to Cart.”
  • You can continue shopping or proceed directly to checkout.
  • Review your cart carefully to confirm product type, quantity, and shipping address.

Step 3: Proceed to Checkout

  • When you’re ready, click “Checkout.”
  • Enter your shipping details (full name, address, city, postal code, and contact email).
  • Double-check all information to avoid delays or shipping errors.

Step 4: Select Payment Method (USDT or Bitcoin)

At checkout, you will be given the option to select your preferred cryptocurrency payment method:

Option 1 – Pay with USDT (Tether):

  1. Choose USDT as your payment method.
  2. You will receive a USDT wallet address (TRC20 or ERC20) displayed on the order confirmation page and via email.
  3. Transfer the exact amount shown in your order summary to that wallet address.
  4. Once the transaction is confirmed on the blockchain, your order will be processed.

Option 2 – Pay with Bitcoin (BTC):

  1. Choose Bitcoin (BTC) as your payment method.
  2. You will receive a BTC wallet address after checkout.
  3. Send the exact BTC amount to that address from your personal wallet.
  4. After blockchain confirmation, you’ll receive an email confirming your order and shipping timeline.

⚠️ Important:

  • Always send the exact amount shown on your order confirmation page.
  • Double-check wallet addresses before sending funds.
  • Crypto payments are final and non-refundable once confirmed on the blockchain.
  • We are not responsible for payments sent to the wrong address or with incorrect network selection.

Step 5: Payment Confirmation

  • Once your transaction is confirmed on the blockchain (usually within minutes to an hour), our system will automatically verify the payment.
  • You’ll receive a confirmation email with your invoice, order number, and shipping details.
  • Your order will then move into processing and dispatch within 2–5 business days.

Step 6: Shipping & Tracking

  • After your order is shipped, you’ll receive a tracking number via email.
  • Use the tracking link provided to follow your shipment’s progress.
  • For full details, visit our Shipping Policy page.

Step 7: Receiving Your Order

  • Upon delivery, please inspect the packaging before signing for receipt.
  • If you notice any visible damage, take photos immediately and contact us within 48 hours at support@bitmainantminers21.shop.

Frequently Asked Questions

Q: Do you accept fiat (credit card or bank transfer)?
Currently, we only accept USDT and Bitcoin (BTC) for payments to ensure global accessibility and transaction security.

Q: What network should I use for USDT payments?
We accept USDT (TRC20) and USDT (ERC20). Please confirm the correct network on the checkout page before sending.

Q: What if my payment doesn’t confirm?
If your payment remains unconfirmed after 2 hours, contact us immediately with your transaction hash (TxID) at support@bitmainantminers21.shop for manual verification.


Need Help?

Our customer support team is always ready to assist.
📧 Email: support@bitmainantminers21.shop
🌐 Website: https://bitmainantminers21.shop