Pi Network issued a reminder on Wednesday urging Mainnet node operators who have not yet upgraded to Protocol v25 to do so as soon as possible to stay connected to the network.
According to the Pi Core Team, the majority of Mainnet node operators have already completed the upgrade. The process is described as simple and should only take a few minutes, in line with previous protocol upgrades on the network.
How Pi Nodes Work
Pi Network nodes run on a consensus algorithm based on the Stellar Consensus Protocol instead of the proof-of-work model used by Bitcoin and Ethereum. Nodes form trusted groups called quorum slices and agree on transactions based on a global trust graph built from security circles, the mutual trust connections established by Pi’s mobile users.
Reminder to all Pi Mainnet Node operators: the majority of Mainnet node operators have already successfully upgraded to Protocol v25. If you have not yet upgraded your node, do so as soon as possible to stay connected to the network.
As with previous…
— Pi Network (@PiCoreTeam) June 20, 2026
Node software runs on desktop and laptop computers rather than mobile phones. There are three levels of participation: Computer App, which provides a desktop interface for checking balances and chatting without performing blockchain validation; Node, which verifies the validity of the blockchain and submits transactions after passing a selection process; and SuperNode, which forms the backbone of the network and is responsible for reaching consensus, which requires 24/7 uptime and a stable internet connection.
Selection for Node and SuperNode roles is based on criteria such as uptime, Internet connection quality, processor and memory capacity, previous community contributions, and trust scores derived from security circles. Selected applicants must complete KYC verification before being enrolled to work on the network.
What operators should do
Pi Network has not specified a deadline for the v25 upgrade, but has advised operators to complete it immediately to avoid disconnections from the network. Further technical details about the upgrade process were shared in the official announcement.