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SECURITY.md

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+# Security Policy
+
+## Introduction
+
+Security researchers are essential in identifying vulnerabilities that may impact the Sei ecosystem. If you have discovered a security vulnerability in the Sei chain or any repository managed by Sei, we encourage you to notify us using one of the methods outlined below.
+
+### Guidelines for Responsible Vulnerability Testing and Reporting
+
+1. **Refrain from testing vulnerabilities on our publicly accessible environments**, including but not limited to:
+
+- Sei mainnet `pacific-1`
+- Sei frontend
+- Sei public testnets
+- Sei testnet frontend
+
+2. **Avoid reporting security vulnerabilities through public channels, including GitHub issues**
+
+To privately report a security vulnerability, please choose one of the following options:
+
+### 1. Email
+
+Send your detailed vulnerability report to `[email protected]`.
+
+### 2. GitHub Private Vulnerability Reporting
+
+Utilize [GitHub's Private Vulnerability Reporting](https://github.com/sei-protocol/sei-chain/security/advisories/new) for confidential disclosure.
+
+## Submit Vulnerability Report
+
+When reporting a vulnerability through either method, please include the following details to aid in our assessment:
+
+- Type of vulnerability
+- Description of the vulnerability
+- Steps to reproduce the issue
+- Impact of the issue
+- Explanation on how an attacker could exploit it
+
+## Vulnerability Disclosure Process
+
+1. **Initial Report**: Submit the vulnerability via one of the above channels.
+2. **Confirmation**: We will confirm receipt of your report within 48 hours.
+3. **Assessment**: Our security team will evaluate the vulnerability and inform you of its severity and the estimated time frame for resolution.
+4. **Resolution**: Once fixed, you will be contacted to verify the solution.
+5. **Public Disclosure**: Details of the vulnerability may be publicly disclosed after ensuring it poses no further risk.
+
+During the vulnerability disclosure process, we ask security researchers to keep vulnerabilities and communications around vulnerability submissions private and confidential until a patch is developed. Should a security issue require a network upgrade, additional time may be needed to raise a governance proposal and complete the upgrade.
+
+During this time:
+
+- Avoid exploiting any vulnerabilities you discover.
+- Demonstrate good faith by not disrupting or degrading Sei's services.
+
+## Feature request
+
+For a feature request, e.g. module inclusion, please make a GitHub issue. Clearly state your use case and what value it will bring to other users or developers on Sei.
+
+## Severity Characterization
+
+| Severity     | Description                                                             |
+| ------------ | ----------------------------------------------------------------------- |
+| **CRITICAL** | Immediate threat to critical systems (e.g., chain halts, funds at risk) |
+| **HIGH**     | Significant impact on major functionality                               |
+| **MEDIUM**   | Impacts minor features or exposes non-sensitive data                    |
+| **LOW**      | Minimal impact                                                          |
+
+## Feedback on this Policy
+
+For recommendations on how to improve this policy, either submit a pull request or email `[email protected]`.