Privacy Policy

Last updated: February 5, 2026

1. Purpose of Processing Personal Information

  • Member management: identity verification, service provision, fraud prevention
  • Service provision: ledger, OCR, budget management, AI analysis
  • Marketing (optional): announcements of new services

2. Personal Information Collected

2.1 Required Items

CategoryItems
RegistrationEmail, password, name
Service useAccess logs, IP, device information

2.2 Financial Information (separate consent)

  • Income/expense records
  • Receipt images and OCR-extracted data
  • Budget settings
  • Asset information (optional)

All financial information is stored encrypted with AES-256.

3. Retention and Destruction

CategoryPeriodBasis
Member informationUntil withdrawalService provision
Financial transaction records5 yearsElectronic Financial Transactions Act
Access logs3 monthsProtection of Communications Secrets Act

4. Provision to Third Parties

In principle, we do not provide information without consent. Exceptions:

  • Prior user consent
  • Requests under applicable laws

5. Security Measures

  • Encryption: financial information encrypted with AES-256
  • Access control: principle of least privilege
  • Security systems: firewall and IDS operation

6. Rights of Data Subjects

  1. Request to access personal information
  2. Request to correct errors
  3. Request for deletion
  4. Request to suspend processing

7. Personal Information Protection Officer

Email: privacy@starium.site

8. Changes to This Policy

Changes will be announced 7 days in advance.

Supplementary Provisions

This policy takes effect on February 5, 2026.