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Pi Network has announced that all active Pi Mainnet nodes must complete the Protocol 23 upgrade by May 15 or risk losing network connection. The Core Team said the upgrade is expected to take longer than previous updates, urging node operators to plan accordingly.
In its announcement, Pi Network stated that Mainnet nodes are required to complete the Protocol 23 upgrade before the May 15 deadline to remain connected to the network. The Core Team emphasized that this upgrade takes more time than earlier protocol changes.
The Pi Mainnet is upgrading to Protocol 23 – Deadline: May 15.
All Mainnet nodes are required to complete this step before the deadline to remain connected to the network. This upgrade takes longer to complete, so plan accordingly.
Details here: https://t.co/9VehO7hhj1
— Pi Network (@PiCoreTeam) May 2, 2026
Pi Node software is currently available at version 0.5.4 and can be downloaded for Windows, Mac, and Linux. Node operators access the upgrade through the Pi Desktop application, which acts as the gateway for running and managing node activity on the network.
Pi Network organizes node operators into three participation levels: Computer App users, Nodes, and SuperNodes. SuperNodes carry the highest responsibility, including maintaining a 24/7 connection and actively participating in the consensus process that writes transactions to the Pi ledger.
Selection criteria for Nodes and SuperNodes include uptime reliability, a stable internet connection, sufficient hardware performance, and prior contributions to the Pi community. Applicants who meet these thresholds and pass KYC verification are enrolled to serve in the network.
Pi’s node infrastructure is built on the Stellar Consensus Protocol (SCP). Nodes form trusted groups known as quorum slices, which validate transactions only when their trusted peers also agree, creating a layered security model based on community trust.
The security circles established by mobile miners on the Pi app aggregate into a global trust graph. Pi Network says this graph informs how SuperNodes and Nodes form their quorum slices, linking mobile participation to the broader consensus mechanism.
Pi’s node model is designed to lower the technical barrier compared with proof-of-work systems, enabling participation by everyday users running standard desktops or laptops. The project also positions Protocol 23 as supporting infrastructure for real transaction testing as it progresses through its Testnet roadmap, including the Selection, Revision, and Live Testnet stages.
Pi Network’s Core Team stated that the centralized layer used during testing will eventually be removed once the Mainnet reaches full operational status.
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