Last Updated: 2025.10.11

Introduction

BlindFold ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your personal information when you use our Chrome extension.

Information We Collect

Personal Information

When you sign in with Google, we collect:

• Email address: Used for account identification and authentication
• Name: Used to personalize your experience

Encrypted Data

• Encrypted DEK (Data Encryption Key): We store only the encrypted version of your DEK, which is encrypted with your master password-derived KEK (Key Encryption Key)
• We do NOT store or have access to your master password
• We do NOT store or have access to your unencrypted content

Technical Information

• Browser type and version
• Extension usage data (for troubleshooting and improvement)

How We Use Your Information

We use the collected information for:

• Account Management: Creating and maintaining your BlindFold account
• Authentication: Verifying your identity when you log in
• Service Delivery: Storing your encrypted DEK to enable encryption/decryption across devices