Privacy Policy

Introduction

WaifuVerse ("we", "our", or "the Service") is a Telegram Mini App game that allows users to collect and trade anime character cards. This Privacy Policy explains how we collect, use, and protect your information when you use our Service.

Information We Collect

1. Telegram User Data

When you use WaifuVerse through Telegram, we automatically receive:

• User ID: Your unique Telegram user identifier
• Username: Your Telegram username (if set)
• First Name: Your Telegram display name
• Profile Photo URL: Your Telegram profile picture (if available)

2. Game Data

We store the following game-related information:

• Your collected character cards (waifus)
• In-game currency balance (Nexus Coins)
• Game statistics and progress
• Referral information
• Premium pass status (if applicable)
• Game activity logs (pulls, trades, fusions)

3. Technical Data

• Session authentication tokens (temporary, expires after 2 hours)
• Cache data for performance optimization
• Error logs for debugging purposes

How We Use Your Information

We use your information solely for:

1. Game Functionality: Managing your collection, trades, and game progress
2. Authentication: Verifying your identity through Telegram's secure system
3. Performance: Caching data to improve loading times
4. Support: Troubleshooting issues and providing customer support
5. Analytics: Understanding game usage to improve features (anonymized)

Data Storage and Security

• Database: Your data is stored securely in MongoDB with industry-standard encryption
• Caching: Temporary data is cached in Redis with automatic expiration
• Authentication: We use Telegram's official WebApp authentication with HMAC-SHA256 verification
• No Third-Party Sharing: We do not sell, rent, or share your personal data with third parties
• Replay Attack Protection: Session tokens expire after 2 hours

Your Rights

You have the right to:

• Access: View all your collected data through the game interface
• Deletion: Request deletion of your account and all associated data by contacting the bot owner
• Correction: Update your Telegram profile information (syncs automatically)
• Data Portability: Request an export of your game data

Data Retention

• Active Accounts: Data is retained as long as you use the Service
• Inactive Accounts: Data may be deleted after extended periods of inactivity
• Deletion Requests: Processed within 30 days of request

Children's Privacy

WaifuVerse is intended for users aged 13 and above, in compliance with Telegram's Terms of Service. We do not knowingly collect data from children under 13.

Third-Party Services

Telegram

Our Service operates within the Telegram platform. Please review Telegram's Privacy Policy for information about how Telegram handles your data.

Image Hosting

Character images may be hosted on third-party CDN services (ImgBB). These services have their own privacy policies.

Contact Information

For privacy-related questions, concerns, or data deletion requests, please contact:

• Telegram Bot: @waifu_verse_bot
• Support Command: Use /help in the bot for assistance

Compliance

This Privacy Policy complies with:

• Telegram Mini Apps Developer Guidelines
• General Data Protection Regulation (GDPR) principles
• California Consumer Privacy Act (CCPA) principles

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