Welcome to the Blockchain App, developed to provide secure, verifiable, and decentralized educational credential management and learning services. This Privacy Policy outlines how we collect, use, store, and protect your information when you use our mobile application (com.apmw.blockchain).
Your privacy is important to us. By using our app, you agree to the practices described in this Privacy Policy. If you do not agree with our policies and practices, please do not use the application.
This policy applies to all users of the Blockchain App. It covers the collection and usage of information through the app’s features including credential verification, user accounts, analytics, and educational content access. It does not apply to third-party platforms or services linked from within the app.
We only collect information necessary for the educational and functional operations of the app. These include:
Full name
Email address
Educational qualification or institution (if submitted during credential verification)
Note: We do not automatically collect personal data unless it is explicitly provided by you for a specific purpose (e.g., credential upload, profile creation).
Device and operating system information
App activity logs (such as screen visits, click actions)
General location data (city-level, non-identifiable)
Crash and diagnostic reports
Uploaded certificates or documents for blockchain verification
Hashes of credential data stored on-chain (read-only)
Public blockchain addresses associated with verified credentials
Depending on usage, we may integrate:
Google Play Services (for updates and device integrity)
Firebase Analytics (to understand how the app is used)
Crashlytics (to fix bugs and crashes)
We do not use advertising SDKs or ad networks.
We use the information collected through the Blockchain App for the following legitimate educational and functional purposes:
To allow users to upload, verify, and manage educational credentials securely via blockchain
To deliver personalized educational content and features
To ensure application stability and troubleshoot issues
To enhance app performance and user experience
To communicate important updates, version changes, and support messages
To comply with applicable legal and educational regulatory requirements
Your data is never sold or shared for third-party marketing purposes.
We implement strong security protocols to protect your data, including:
Encrypted data transmission using HTTPS
Secure storage with AES encryption for sensitive personal or credential data
Role-based access controls for internal data access
Use of Google Firebase and other ISO-compliant third-party storage providers
Any credential stored on a blockchain is immutable, read-only, and cannot be changed by us or any third party.
We only share your data under the following conditions:
We may share your credential data publicly on-chain or for external validation only with your explicit permission.
We may share necessary data with:
Google Firebase for analytics and debugging
Cloud infrastructure providers hosting our educational content or blockchain nodes
These partners follow strict data protection agreements.
We may disclose information:
To comply with legal obligations, regulations, or lawful requests
To investigate or prevent fraud, misuse, or threats to security
To protect our rights and the rights of our users
As a user, you have the following rights:
Right to access: Request a copy of the personal data we hold.
Right to rectification: Request correction of inaccurate or incomplete data.
Right to deletion: Request the deletion of your personal data, subject to legal and blockchain limitations.
Right to restrict processing: Limit how we use your data.
Right to withdraw consent: Withdraw consent at any time for data we process based on your consent.
To exercise your rights, please contact us at apmarketingworld@gmail.com. We will respond within 15 working days.
We retain data only for as long as necessary for the purposes described in this policy:
User and account data is retained for as long as the user account is active, and up to 180 days after inactivity.
Blockchain-verified credential hashes remain permanently on-chain and cannot be altered or deleted once written.
Crash logs and analytics data are anonymized and retained for statistical and debugging purposes only.
9. Children’s Privacy
This app is not designed for children under the age of 13. We do not knowingly collect personal data from minors. If we become aware that a child under 13 has provided us with personal information, we will take steps to delete it immediately.
If you believe your child has submitted personal information, please email us at apmarketingworld@gmail.com for immediate removal.
Although we do not use traditional browser cookies, the app uses the following tracking tools:
Firebase Analytics to track screen usage and feature interactions
Crashlytics for performance monitoring and crash diagnostics
These tools do not collect personally identifiable data unless provided by the user explicitly.
The Blockchain App may contain links to third-party websites or services such as blockchain explorers or educational content providers. We are not responsible for the privacy practices or content of these third parties. We encourage you to review their respective privacy policies before interacting with them.
We may revise this Privacy Policy from time to time to reflect changes in legal requirements, technology, or business practices. The updated version will be published with a new "Last Updated" date.
We recommend that users review the policy regularly. Continued use of the app after changes are made constitutes acceptance of the revised policy.
If you have any questions or concerns about this Privacy Policy or our data practices, you may contact us at:
Email: apmarketingworld@gmail.com
App Name: Blockchain