- Wallet Address: Public address when logging in via MetaMask, Phantom, TronLink
- Usage Data: Browsing history, search keywords, filter preferences, subscription records
- On-Chain Transactions: Transaction hashes of cryptocurrency payments
- Device Information: IP address, browser type, operating system version
- Provide and maintain services: Account management, news push, API access
- Improve user experience: Personalized recommendations, preference settings, performance optimization
- Send notifications: Price alerts, keyword matches, system updates
- Prevent fraud: Detect abnormal logins, prevent abuse, protect account security
- Compliance requirements: Respond to legal requests, protect rights
- ⚠️ Wallet addresses and transaction records are permanently public on the blockchain
- Anyone can query your transaction history via Etherscan, Solscan, etc.
- We cannot delete or modify on-chain data
- Associated account usage data can be deleted
- After unlinking wallet address from account, it can still be queried externally
- ❌ We do not sell personal information to third parties
- ✅ Necessary third-party services: Alibaba Cloud, AWS
- ✅ Legal requirements: Court orders, regulatory investigations, protecting user rights
- ✅ Business transfers: Data transfer during merger or acquisition (advance notice)
- Encrypted storage: AES-256 encryption for sensitive data (API Keys)
- Transmission security: HTTPS/TLS 1.3 encryption for all network communications
- Access control: Role-based permission management
- Security audit: Regular penetration testing, vulnerability scanning, code review
- Backup recovery: Daily automatic backup, off-site disaster recovery
- Essential Cookies: Login status, security verification, language preference (cannot be disabled)
- Analytics Cookies: Usage statistics, performance monitoring (Google Analytics)
- Functional Cookies: Remember filter settings, dark mode preferences
- Manage Cookies: Browser settings → Privacy → Cookies → Block third-party cookies
- Account data: Retained during active account period
- Usage records: Retained for 2 years for analysis and service improvement
- Blockchain data: Permanently retained (cannot be deleted)
- Account deletion: All deletable data cleared within 30 days