Last Updated: March 9, 2026

Jimin Kim (“we,” “us,” or “our”) built AssetFuse (the “App”) as a commercial application. This Privacy Policy explains how we collect, use, and protect your information when you use our App.

By using AssetFuse, you agree to the collection and use of information in accordance with this policy.

1. Information We Collect

1.1 Brokerage & Exchange Credentials

To sync your portfolio, the App requires API credentials (API Key, API Secret) for supported brokers and exchanges:

• Korea Investment & Securities (한국투자증권) — App Key, App Secret, Account Number
• Upbit — Access Key, Secret Key
• Bithumb — API Key, Secret Key
• Coinone — Access Key, Secret Key

These credentials are stored exclusively in the macOS Keychain, an encrypted system-level secure storage. They are never transmitted to our servers.

1.2 Portfolio & Trade Data

When you sync your accounts, the App retrieves and stores the following data locally on your device using SwiftData:

• Holdings (asset name, quantity, purchase price, current price)
• Trade history (buy/sell date, quantity, price, fees)
• Account summary (total evaluation, profit/loss)

This data is stored only on your device and is not uploaded to any external server.

1.3 AI Chat Data (Max Tier Only)

If you use the AI Chat feature, your messages and portfolio context are sent to the AI provider you select: