You can upgrade your account using Bitcoin.
Bitcoin is a digital currency which you can easily exchange your money to and from Bitcoin.
To upgrade your account using Bitcoin you need to buy Bitcoin before upgrading your account. You can look for a local Bitcoin exchange in your area or use an exchange provider such as http://www.paxful.com
Once you have Bitcoin follow these steps to upgrade your Star-Clicks account:
1. Login to your account
2. Click Upgrade link from the menu
3. Choose the membership type (Gold or Platinum membership)
4. Choose Bitcoin payment method
5. You will be redirected to Bitcoin page where you can submit details of your Bitcoin wallet
6. Once your Bitcoin is received your account will be upgraded