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Privacy Policy

Effective Date: January 28, 2026

Quantum Jump Club (hereinafter 'Company') complies with the Personal Information Protection Act and other relevant laws and does its best to protect users' personal information.

1. Personal Information Collected

The Company collects the following personal information to provide services:

  • Required items: Email address, Name (nickname)
  • Optional items: Profile photo, Interests, Occupation
  • For payment: Payment information (card company, payment date, etc. - card numbers are not stored)
  • Automatically collected: Service usage records, access logs, cookies, IP address, device information

2. Purpose of Collection and Use

Collected personal information is used only for the following purposes:

  • Service provision and member management
  • Payment processing and refunds for paid services
  • Service improvement and new service development
  • Marketing and advertising (with separate consent)
  • Compliance with legal obligations

3. Retention and Use Period

Personal information is destroyed without delay when the purpose of collection is achieved. However, if retention is required by relevant laws, it will be stored for that period.

  • Records on contracts or withdrawal: 5 years (E-Commerce Act)
  • Records on payment and supply of goods: 5 years (E-Commerce Act)
  • Records on consumer complaints or disputes: 3 years (E-Commerce Act)
  • Login records: 3 months (Protection of Communications Secrets Act)

4. Third-Party Provision

In principle, the Company does not provide users' personal information to third parties. However, exceptions are made in the following cases:

  • When the user has given prior consent
  • When required by law or requested by investigative agencies

Current Third-Party Provision Status

  • TossPayments: Payment processing (payment information)
  • Supabase: Database service (service usage data)
  • Google: Social login (email, name)
  • Kakao: Social login (email, name, profile photo)

5. Processing Entrustment

The Company entrusts personal information processing as follows for service provision:

  • TossPayments - Payment processing
  • AWS (Amazon Web Services) - Cloud infrastructure

6. Rights of Data Subjects

Users may exercise the following rights at any time:

  • Request access to personal information
  • Request correction or deletion of personal information
  • Request suspension of personal information processing
  • Withdraw consent

Rights can be exercised through the settings menu within the service or through customer support.

7. Security Measures

The Company takes the following measures to ensure the safety of personal information:

  • Encryption of personal information
  • Access authority management and restrictions
  • Access log retention and forgery prevention
  • Installation and operation of security programs

8. Privacy Officer

The Company designates a Privacy Officer as follows to take overall responsibility for personal information processing and to handle user complaints and damage relief related to personal information processing:

Privacy Officer: Sangrok Jeong

Email: news@quantumjumpclub.com

Phone: 010-8216-8366

9. Cookie Usage

The Company uses cookies for service convenience. Cookies are small text files that websites store on users' browsers.

Purpose of cookie use: Login maintenance, service usage analysis, personalized service provision

Users can refuse to store cookies through browser settings, but this may cause difficulties in using the service.

10. Changes to Privacy Policy

This privacy policy may be modified due to changes in laws, policies, or security technologies. Changes will be notified through notices within the service from 7 days before implementation.