Four Chains Inc. ("4Chains", "the Company") complies with the Personal Information Protection Act (PIPA) and related laws of the Republic of Korea, and protects the rights of data subjects. This Privacy Policy explains how the Company collects, uses, retains, and protects personal information through this website (4chains.site). Our products are engineered so that sensitive data stays encrypted in use, and we hold this site to the same standard of data minimization.
1. Personal information we collect
The Company collects the minimum information necessary for the purposes below. • Inquiry / demo / early-access forms (required): name, email; (optional): company, message. • Newsletter subscription (required): email. • Automatically generated during use: page path and coarse region (country/region/city) derived from the network request. The Company does NOT store IP addresses, cookies, device identifiers, or any other personal identifiers. Analytics are anonymous and cookieless. Collection method: information you voluntarily enter into the website's forms, and anonymous access logs generated automatically.
2. Purpose of collection and use
• Responding to inquiries and providing requested demos or early access. • Sending the newsletter to subscribers who opted in. • Understanding aggregate site usage to improve content and usability. The Company does not use personal information for any purpose beyond the above without separate consent, and does not sell personal information.
3. Retention and use period
The Company retains and uses personal information only for the period necessary to achieve the purpose, then destroys it without delay. • Inquiry / demo / early-access records: until the request is resolved and for a reasonable follow-up period thereafter, then deleted (default: up to 1 year). [검토] • Newsletter email: until the subscriber unsubscribes. • Anonymous access records: aggregate, time-limited. Where a law requires longer retention (e.g., records on consumer complaints or disputes), the Company retains the information for the period prescribed by that law.
4. Provision to third parties
The Company does not provide personal information to third parties, except with the data subject's prior consent or where required by law.
5. Outsourcing of processing
To operate this website, the Company entrusts limited processing to the following providers, and contractually requires them to protect personal information: • Vercel Inc.: website hosting and delivery. • Supabase Inc.: database and file storage for form submissions and subscriptions. The Company does not entrust processing to others for marketing purposes.
6. Rights of data subjects and how to exercise them
At any time you may request access to, correction of, deletion of, or suspension of processing of your personal information, and you may unsubscribe from the newsletter. Send requests to contact@4chains.site; the Company will act without delay. You may also exercise these rights through a legal representative or agent.
7. Destruction of personal information
When the retention period elapses or the purpose is achieved, personal information is destroyed without delay. Electronic files are deleted by a method that prevents recovery, and any printed materials are shredded or incinerated.
8. Security measures
The Company applies administrative, technical, and physical safeguards, including access control to systems handling personal information, encryption in transit (HTTPS) and at rest where applicable, the principle of least privilege, and minimization of collected data.
9. Cookies and automatic collection
This website does not use cookies or similar tracking technologies to identify individuals. Anonymous, aggregate analytics may be used to measure overall usage, without storing personal identifiers.
10. Privacy officer
The Company designates a privacy officer responsible for handling personal information and addressing data subject complaints. • Privacy Officer: [검토: 성명/직위] • Contact: contact@4chains.site
11. Remedies for infringement
Data subjects in Korea may seek assistance from the following bodies regarding personal information disputes or infringement: • Personal Information Dispute Mediation Committee (kopico.go.kr, 1833-6972) • Personal Information Infringement Report Center (privacy.kisa.or.kr, 118) • Supreme Prosecutors' Office Cybercrime (spo.go.kr, 1301) · National Police Agency Cyber Bureau (ecrm.police.go.kr, 182)
12. Changes to this policy
If this Privacy Policy is amended, the Company will announce the changes and their effective date through this page. Questions: contact@4chains.site.