Pi Network has officially entered the mainnet era, opening a new stage of market-oriented circulation. This article provides a detailed overview of Pi Network's project, DApp ecosystem and application inventory, and provides an in-depth discussion on the influencing factors of $PI in the future. With more and more merchants accepting $PI payments, this article explores the value of whether Pi Network can gain a foothold in the Web3 space and how investors can assess its long-term potential.