Privacy Policy

Introduction

Trading Cards ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, store, and share your information when you use our algorithmic trading platform and related services.

By using Trading Cards, you agree to the collection and use of information in accordance with this Privacy Policy.

Information We Collect

Google User Data

When you sign in with Google OAuth, we access the following information:

• Email Address: We collect your email address solely for user identification and account creation purposes. This allows us to associate your Trading Cards account with your identity.

Web3 Wallet Information

When you connect your cryptocurrency wallet:

• Wallet Address: We collect your public wallet address to associate your trading strategies, backtests, and NFTs with your blockchain identity.

Trading Data

We store your strategy configurations, backtest results, and performance metrics to provide our core platform services. This data is associated with your wallet address and is used solely for your benefit within the platform.

How We Use Your Information

We use the collected information for the following purposes:

• User Identification: Your email address and wallet address are used to create and manage your account, authenticate your identity, and provide secure access to the platform.
• Service Provision: We use your trading data to run backtests, generate zero-knowledge proofs, mint strategy NFTs, and display your portfolio performance.
• Communication: We may use your email address to send important updates about your account, security alerts, or platform notifications.
• Platform Improvement: Aggregated, anonymized data may be used to improve our algorithms and platform features.

Data Storage and Security

We implement industry-standard security measures to protect your data:

• All data is stored in secure, encrypted databases (MongoDB)
• Strategy configurations are stored as private inputs and never exposed on-chain
• Zero-knowledge proofs ensure performance verification without revealing sensitive strategy details
• We do not store private keys or wallet credentials

Data Sharing and Disclosure

We do not sell, trade, or otherwise transfer your personal information to third parties. We may share information only in the following circumstances:

• Public Strategy Data: When you mint a strategy as an NFT, only the verified performance metrics (win rate, PnL, Sharpe ratio) and proof receipt are made public. Your strategy parameters remain private.
• Legal Requirements: We may disclose information if required by law or to protect our rights, property, or safety.
• Service Providers: We may use third-party services (e.g., blockchain infrastructure, cloud storage) that process data on our behalf under strict confidentiality agreements.

Your Rights

You have the following rights regarding your personal information:

• Access, update, or delete your account information
• Export your trading data and strategy configurations
• Request deletion of your personal data (subject to blockchain immutability constraints)
• Opt-out of non-essential communications

Google API Services User Data Policy

Our use of information received from Google APIs adheres to theGoogle API Services User Data Policy, including the Limited Use requirements.

Specifically:

• We only access your email address for user identification
• We do not use Google user data for advertising purposes
• We do not sell or share Google user data with third parties
• Human review of Google user data is limited to customer support and security purposes only

Contact Us

If you have any questions about this Privacy Policy, please contact us at: