Privacy Policy for Meme Paper

Introduction

This Privacy Policy describes how Meme Paper ("we", "our", or "the extension") collects, uses, and protects your information when you use our Chrome extension.

Meme Paper is a paper trading simulator for educational purposes. We are committed to protecting your privacy and being transparent about our data practices.

Information We Collect

Data Stored Locally

All user data is stored locally on your device using Chrome's built-in storage API. This includes:

• Trading History: Records of your simulated buy/sell trades
• Portfolio Data: Your simulated balance and active positions
• User Preferences: Settings like display currency, gas fees, slippage tolerance
• Tutorial Progress: Whether you've completed onboarding and tutorials
• Theme Settings: Light/dark mode preferences

Data Fetched from External Sources

The extension fetches the following data from external APIs:

• Token Prices: Real-time Solana (SOL) price data from public price APIs
• Token Metadata: Token names, symbols, and images from public blockchain data
• Market Data: Market cap and trading volume from public sources

How We Use Your Information

Locally Stored Data

Your locally stored data is used to:

• Simulate trading activities (buy, sell, position tracking)
• Calculate profit/loss and display trading history
• Personalize your experience (settings, preferences)
• Provide tutorials and onboarding

External API Data

External API data is used to:

• Display accurate, real-time token prices
• Show current market conditions
• Provide realistic trading simulation

Data Sharing and Third Parties

We do NOT share your personal data with third parties.

The extension may connect to the following external services for functionality:

• Price APIs: To fetch real-time token prices (e.g., CoinGecko, CoinMarketCap)
• Blockchain Data: Public Solana blockchain APIs for token information

These services may collect standard web request data (IP address, request time) according to their own privacy policies. We do not control their data practices.

Data Security

We take reasonable measures to protect your data:

• All data is stored locally using Chrome's secure storage API
• No sensitive data is transmitted over the network
• External API requests use HTTPS encryption
• No passwords or financial credentials are collected or stored

Data Retention

Your data is stored locally on your device and retained until:

• You manually clear your trading history through the extension
• You uninstall the extension
• You clear Chrome's extension data

We do not have access to or control over your locally stored data.

Your Rights

Since all data is stored locally on your device, you have full control:

• Access: View your data anytime through the extension interface
• Deletion: Clear your data through extension settings or by uninstalling
• Portability: Export your trading history as CSV or JSON
• Control: Full control over what data you input into the simulator

Permissions Explained

The extension requests the following Chrome permissions:

• storage: To save your trading data and preferences locally
• activeTab: To integrate with trading platform pages you visit
• scripting: To inject trading widgets on supported platforms

We only request permissions essential for core functionality.

Children's Privacy

Meme Paper is not intended for users under the age of 13. We do not knowingly collect information from children under 13.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. Continued use of the extension after changes constitutes acceptance of the updated policy.

International Users

This extension stores data locally on your device. No data is transferred internationally. External API requests may be routed through servers in various jurisdictions based on the API provider's infrastructure.