Privacy Policy – Chain Technology Development

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Privacy Policy Statement
Last updated: 26-Aug-2025

Statement of Policy

CHAIN Technology Development (“the Company,” or “we”) respects your privacy and is committed to protecting your personal data. This Privacy Policy applies to all personal data collected and processed by our offices in both Hong Kong and Singapore (including through our website and/or subscription processes) in accordance with the applicable local data protection laws, including the Personal Data (Privacy) Ordinance (PDPO, Cap. 486, Laws of Hong Kong SAR) and the Personal Data Protection Act 2012 (PDPA) of Singapore.

Statement of Practices

1. Information We Collect

We collect and process the following types of personal data as necessary for providing our services and fulfilling our business operations:

Email address (required for user registration, authentication, and secure login)
Name and contact number
Employment/career data (for job applications and staff administration)
Information you provide for e-newsletter subscriptions, service payments, contractor management, or in response to your enquiries
Additional data provided when using specific features/services (with notice at collection)
Data such as IP addresses, browser types, device information, and login timestamps, to support security and functionality during website access

2. Purposes for Collecting Personal Data

We use your personal data for the following purposes:

To create, authenticate, and manage your user account for access to our system and services
To process service requests
To facilitate two-way communication between you and us
To respond to or follow up on your enquiries
For direct marketing, subject to your specific consent (with clear opt-out mechanisms)
To process job applications and manage employment-related matters
To execute service contracts
To enhance security, prevent fraud, and monitor system usage during login and website interactions
For any other purpose directly related to the above, or that is otherwise notified to you at or before the time your data is collected.

3. Implementation of Data Protection Practices

(a) Collection of Personal Data

Data is collected lawfully and fairly, limited to what is necessary and not excessive.
We provide a Personal Information Collection Statement (PICS) before or at the time of data collection.
If we wish to use your data for a new purpose, your prior consent will be obtained.

(b) Accuracy and Retention of Personal Data

We make reasonable efforts to ensure all personal data is accurate, complete, up-to-date, and relevant for the purpose it is used.
Personal data is retained only as long as necessary or as required by law. Data needed only for statistics/research will be anonymized.
Right of Erasure: You may request erasure of your data if it is no longer required for its purpose or upon withdrawal of consent, per Section 26 of the PDPO and similar rights under the PDPA.

Personal data is used solely for the stated or directly related purposes, or as permitted/required by law.
We do not sell or rent personal data.
Data may be disclosed to authorised service providers (such as IT contractors or cloud providers) for processing, under strict confidentiality and with appropriate safeguards. Such disclosures may occur within or outside of Hong Kong/Singapore, but only with adequate protection measures to ensure comparable data protection levels.
Data may be shared with service providers under strict confidentiality and safeguards, within or outside of Hong Kong/Singapore
Cross-border data transfers are done only with adequate protection measures to ensure your data receives comparable protection.
Direct marketing: We conduct direct marketing only upon receiving your explicit consent. You can opt out anytime by contacting us.

(d) Security of Personal Data

Access is restricted to authorized personnel on a strictly “need-to-know” basis.
Security measures (physical, electronic, procedural) are applied and reviewed regularly.
Staff receive regular training and follow clear security guidelines.
Data Breach & Complaints: If you suspect a data breach or wish to lodge a privacy complaint, contact our Data Protection Office promptly. You may also lodge a complaint with the Office of the Privacy Commissioner for Personal Data, Hong Kong, or or the Personal Data Protection Commission (PDPC), Singapore.

(e) Transparency

This Privacy Policy and relevant practices are published and updated on our website.
Any major changes will be communicated clearly to affected users in a timely manner.

(f) Data Access, Correction, and Deletion

You have the right to access or correct your personal data, or to withdraw consent for its use, in both Hong Kong and Singapore.
Requests (including erasure) should be made via email to privacy@chaintechdev.com. We may ask you to verify your identity.
If a request is refused, we will provide reasons and log the refusal per statutory requirements.

(g) Children’s Privacy

Our website and services are not intended for or directed at children under the age of 18. We do not knowingly collect personal data from individuals under 18 without verifiable parental or guardian consent. If we become aware that we have inadvertently collected personal data from a child under 18 without such consent, we will take prompt steps to delete the information and terminate any associated account. Parents or guardians who believe their child has provided us with personal data are encouraged to contact our Data Protection Officer at privacy@chaintechdev.com to request review or deletion.

Use of Cookies

What Are Cookies?

Cookies are small text files placed on your device to support site functionality, personalize your experience, and analyse website usage for ongoing improvement.

Types of Cookies We Use

We use several categories of cookies, including:

Essential Cookies: Necessary for basic platform operation and security.
Preferences Cookies: Store your user settings, such as language.
Analytics Cookies: Collect anonymized statistics about platform usage, such as visitor counts, device types, and session information, to improve our service.
Marketing/Third-Party Cookies: Set by analytics and service providers (e.g., Google Analytics, Facebook Pixel) to help us understand usage patterns and enhance your experience.

Purpose and Duration of Cookies

Cookies are used to personalize your experience, remember your preferences, facilitate secure login, and optimize site performance.
Some cookies (session cookies) expire once your browser is closed. Others (persistent cookies) last for a defined period or until you delete them.
Most cookies do not collect personally identifiable information. If such data is required (e.g., account login), you will be clearly informed, and it will be protected in accordance with this policy.

Cookie Consent and Management

Where required by law, we seek your consent for non-essential cookies through an on-site banner or preference centre.
You can manage or disable cookies via your browser settings at any time. However, disabling essential cookies may impact the functionality and usability of our platforms.
To opt out of Google Analytics in particular, you can use the browser add-on available at https://tools.google.com/dlpage/gaoptout?hl=en-GB.
For more information about specific cookies we use, you may contact us directly.

Ongoing Monitoring and Review

This Privacy Policy and associated practices are reviewed regularly. Staff members who handle personal data receive ongoing training in data privacy and protection.

Enquiries

If you have any questions or requests regarding this Privacy Policy or our personal data practices, please contact:

Data Protection Officer
Email: privacy@chaintechdev.com

Interpretation
This Statement is provided in both English and Chinese. In the event of inconsistencies, the English version shall prevail.

Unsubscribe
You can unsubscribe from our marketing communications at any time. To do so, please click the “unsubscribe” link provided in our emails, or contact us directly at privacy@chaintechdev.com. We will process your request promptly and ensure that you no longer receive marketing communications from us.

Personal Information Collection Statement

Collection of Your Personal Data

Chain Technology Development (“we” ) collects your personal data to enable us to provide our services to you and to enhance your overall customer experience. Certain personal data fields, as marked with an asterisk (*), are mandatory. If you do not provide the required information, we may not be able to process your requests or provide you with certain services, materials, or information. We may also collect data such as IP addresses, browser types, and device information during website access and login to support security and functionality.

Purposes of Personal Data Collection and Use

Your personal data may be used for one or more of the following purposes:

To process your service requests (e.g., product purchases, e-newsletter subscriptions, user registration and system login) and to deliver our services;

To facilitate communications between you and us;

To notify you of important changes or updates to our services;

To respond to and follow up on your enquiries;

For direct marketing, upon obtaining your explicit consent;

To enhance security, prevent fraud, and monitor system usage during interactions;

For other purposes directly related to any of the above.

We may collect your information through various channels, including our websites and online platforms, physical application forms, and from publicly available sources. We may also combine information collected from different sources, with appropriate safeguards, to improve our services and communications with you about events and offerings that may be of interest.

Use and Disclosure of Personal Data

The personal data collected will be used solely for the purposes stated above. We will never sell or rent your personal data to any third party. However, we may transfer your personal data to service providers, such as IT contractors and cloud service providers, to perform services on our behalf. We may also share your data with partners or providers involved in co-organizing events, delivering goods or services, or fulfilling your specific requests. If personal data is transferred outside of Hong Kong or Singapore for processing or storage, appropriate safeguards will be maintained to ensure comparable protection in compliance with applicable data protection laws.

Your consent will always be obtained before we use or share your personal data with third parties for direct marketing purposes, such as on online platforms and social media. All service providers appointed by us are required to respect the security of your personal data and process it only as instructed, in accordance with the Personal Data (Privacy) Ordinance (Cap. 486, Hong Kong), the Personal Data Protection Act 2012 (Singapore), and other applicable laws.

Access and Correction of Personal Data

You have the right to request access to, correction, or deletion of your personal data held by us. Such requests should be made in writing to our Data Protection Officer at privacy@chaintechdev.com. For further details, please refer to our Privacy Policy Statement at www.chaintechdev.com/privacy-policy.

Use of Data for Direct Marketing

We may use your personal data, including for marketing via external online platforms and social media, only if we have obtained your explicit consent (including where you have indicated no objection). Direct marketing communications may be sent via mail, email, SMS, targeted online advertisements, instant messaging, or similar means.

If you do not wish to receive such marketing communications, you can opt out at any time, free of charge, by emailing us at privacy@chaintechdev.com.

Children’s Privacy

Our services are not intended for or directed at children under the age of 18. We do not knowingly collect personal data from individuals under 18 without verifiable parental or guardian consent. If we become aware that we have inadvertently collected personal data from a child under 18 without such consent, we will take prompt steps to delete the information. Parents or guardians who believe their child has provided us with personal data are encouraged to contact our Data Protection Officer at privacy@chaintechdev.com to request review or deletion.

Language

In case of discrepancies between the English and Chinese versions of this Statement, the English version shall prevail.

Unsubscribe
You can unsubscribe from our marketing communications at any time. To do so, please click the “unsubscribe” link provided in our emails, or contact us directly at privacy@chaintechdev.com. We will process your request promptly and ensure that you no longer receive marketing communications from us.