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+---
+pip: 28
+title: Prevent Node Shutdowns for Validators in Committee
+author: Javad Rajabzadeh (@ja7ad)
+discussion-no:
+status: Draft
+type: Standards Track
+category: Core
+created: 06-07-2024
+---
+
+## Abstract
+
+PIP-28 proposes to enhance Pactus blockchain stability by preventing active committee validators from shutting
+down their nodes.
+
+## Motivation
+
+In the current CLI version, when we stop a node, we are not informed whether the validator is in the committee.
+This oversight leads to penalties and a decrease in the validator's score. Preventing node shutdowns for active
+committee members would address this issue, ensuring validators remain operational during crucial periods and
+avoiding unintended penalties. This proposal aims to enhance the operational stability and reliability of the
+Pactus blockchain by maintaining validator participation during their committee tenure.
+
+## Specification
+
+When stopping a node, the system should check if any validators are currently in the committee. If they are,
+the user should be warn that specific validators are in the committee and informed that stopping the node will
+result in penalties and a decrease in the validator's score. This check-and-warn mechanism will help prevent
+unintentional disruptions and maintain validator performance during their committee duties.
+
+### Check and Warn mechanism
+
+In the check and warn mechanism, we need to track validators and know which
+validator is currently in the committee. We should also monitor the interrupt
+signal (Ctrl + C) from user input.
+
+If some validators are in the committee, we show a confirmation warning before
+shutting down the node; otherwise, we stop the node without a confirmation
+request.
+
+```shell
+Warning: Some your validators are currently in the committee. Stopping the node
+will decrease your availability score.
+
+Do you want to continue? [y/N]
+```
+
+## Backwards Compatibility
+
+No backward compatibility issues found.