BTC (BIP84): bc1qsu7f9zmmuf3c8gr5l2pwqnpx6gek5l0v8yya29
Instructions: 1. Send the price in Bitcoins to the above wallet. Price is indicated on each product page, or as communicated to you by our staff. 2. After payment, send us an email to payments@zerodayengineering.com with transaction link and name of course that you want. You can also request the invoice for corporate accounting. Payments are processed within 1-2 business days. In case of technical issues, contact us by email or Telegram.