Pi Network Invitation Code: ming2008cn
This video explains the benefits of Pi Network digital currency (cryptocurrency) and how to mine it for free.
To make it simple:
1) Go to app store to install Pi Network app, or visit minepi.com to install.
2) Set up your user name and password, and input ming2008cn for invitation code / referral code.
3) Open the app every 24 hours to activate the mining everyday.
4) Refer friends to accelerate your mining rate.
5) If you want to contribute more, run Pi Node one your computer or publish your app on the app platform.
Enjoy the free digital currency.