Privacy Policy
What we collect, why, and when we delete it
Last updated 2026-10-08
This is an English translation provided for convenience. The Korean version is the authoritative text, and it prevails in the event of any discrepancy.
MMA Korea (mmma.co.kr, the “Site”) handles personal data with care and complies with the Korean Personal Information Protection Act. This policy lists only what the Site actually stores.
1. What we collect, and why
Sign-up: Kakao login
The Site has no sign-up form of its own and uses Kakao login only. We do not store passwords.
| Item | Purpose | Required |
|---|---|---|
| Kakao member number | Account identity (recognising a returning user) | Required |
| Nickname | Author display on posts and comments | Required |
| Profile image, email | Stored only if Kakao provides them | Optional |
| Followed promotions, gym | Entered by the user. Personalising the view | Optional |
Posts and comments
| Item | Purpose |
|---|---|
| Content and display nickname | Publishing the post or comment |
| One-way hash of the IP address | Blocking flooding and duplicate votes. The raw IP is not stored, and the hash cannot be reversed back to an IP. It is never displayed. |
| Attached images | Display within the post |
Live chat
| Item | Purpose |
|---|---|
| Message text, display nickname, time sent, chat room | Providing chat, following up user reports, usage statistics (activity by hour) |
| Member identifier when signed in; a random per-device identifier otherwise | Handling spam and abuse (temporary mutes and blocks). Not shown on screen. |
Chat does not store IP addresses. Messages hidden by moderators remain as a record of the action.
Prize event winners
| Item | Purpose | Retention |
|---|---|---|
| Win record (event, prize, delivery status) | Confirming wins and delivering prizes | Deleted with your account |
| Delivered gift voucher (image, redemption code) | Collecting the prize on My Page | Deleted with your account |
Prizes are delivered to My Page; we do not collect phone numbers or other contact details. Only predictions and votes made on the website are eligible; those made in the mobile app are excluded.
2. Automatically collected information
Access logs, browser type and visited pages are collected through the tools below in the course of using the service.
- Umami: visitor statistics, self-hosted by the Site. It uses no cookies and does not identify individuals.
- Google Analytics: analyses referral paths, pages used and devices. Processed by Google under Google’s data use notice.
- Microsoft Clarity: analyses interaction flow. Processed by Microsoft under the Microsoft privacy statement.
3. Cookies
- Session: a session cookie keeps you logged in. You can block it in your browser settings, but login will not work if you do.
- Analytics: the tools in section 2 may set cookies.
4. Disclosure and processors
We do not sell your personal data or provide it to third parties. We do entrust processing to the following, to the extent needed to run the service.
| Processor | Entrusted work |
|---|---|
| Amazon Web Services | Server and database operation (Seoul region, Republic of Korea) |
| Cloudflare | Network and security |
| Kakao | Login authentication |
| Usage statistics (Google Analytics) | |
| Microsoft | Interaction analysis (Clarity) |
5. Retention
- Account data: deleted without delay when you close your account.
- Posts, comments, chat messages and attached images: deleted, with the author attribution cleared, when we process your account deletion request. You can also delete them yourself at any time.
- Prize wins and deliveries: deleted with your account.
- Chat history: kept to follow up user reports and handle complaints or disputes; deleted without delay on request.
- Access logs: three months, under the Protection of Communications Secrets Act.
6. Your rights
You may at any time request access to, correction of, deletion of, or suspension of processing ofyour own data. You can edit your details or close your account yourself from My Page; other requests go to the contact below and are handled without delay. We do not collect personal data from children under the age of 14.
7. Safeguards
- All traffic is encrypted with HTTPS.
- We store no passwords (Kakao login only).
- IP addresses are stored as an irreversible hash rather than in raw form.
- Access to personal data is limited to the operator.
8. Privacy officer
- Email: doodda18@gmail.com
- Other enquiries: contact page
For reports or advice about a privacy infringement, you may also contact the Korea Internet & Security Agency’s Privacy Infringement Report Centre (privacy.kisa.or.kr, 118), the Supreme Prosecutors’ Office Cyber Investigation Division (1301), or the National Police Agency Cyber Bureau (182).
9. Changes to this policy
Changes are posted on this page with a revision date. Significant changes are announced on the Site.