What is a payment function? Will the Pi currency be known or is it only on exchange markets for different products, or is there a need for understanding?

Pi⚡️Big news:

Nicholas responded: After internal discussion, Pi will open the network on May 20, and all payment functions, smart contracts, and ecosystems will be launched soon.
Now the centralized validator has been fully shut down 💥Pi big things are about to happen🔥💥

Nikolas

Hello, Pioneers! The meeting has concluded. After internal discussions, all conditions have been fully prepared. The mainnet will be opened on May 20, 2025.

All ecological applications, smart contracts, payment functions, etc., will be launched very soon!