Since its launch in 2019, Pi Network has gradually built a decentralized and accessible crypto ecosystem, and officially entered its open mainnet phase in February 2025. This article focuses on the core steps of the mainnet launch—including wallet binding, lockup configuration, account security enhancement, and the KYC process—clarifying the user migration path and the underlying technical logic. As user numbers grow and exchange support increases, $Pi has seen rising market interest and noticeable price volatility. Through its mobile mining mechanism and globally distributed technical team, Pi Network continues to lower participation barriers while expanding real-world Web3 use cases. The article also warns investors about regulatory uncertainty and scams, urging rational decision-making.