Privacy Policy

Last Updated: December 2025

Published by: Telestai Foundation

Introduction

This Privacy Policy describes how Telestai Foundation ("we," "our," or "us") collects, uses, stores, and protects information when you use our mobile applications: Zeroa and LASKO (collectively, the "Apps").

We are committed to protecting your privacy and ensuring transparency about our data practices. This policy applies to both iOS and Android versions of our Apps.

1. Information We Collect

1.1 Information You Provide Directly

Zeroa App:

• Wallet Information: When you create or import a wallet, we collect:

- Wallet addresses (TLS addresses)

- Mnemonic phrases (stored locally only)

- Private keys (stored locally only)

• Profile Information (optional):

- Display name

- Profile image

LASKO App:

• Account Information:

- Wallet address (for authentication)

- Display name (optional)

- Profile image (optional)

• Content You Create:

- Posts, comments, and replies

- Images and GIFs you upload

1.2 Information Collected Automatically

Device Information:

• Device type (iOS/Android)
• Operating system version
• App version
• Device identifier (hashed for privacy)

Usage Information:

• Error logs and diagnostic information (anonymized)
• App performance metrics
• Network request information (for debugging)

Blockchain Information:

• Transaction data (publicly available on the Telestai blockchain)
• Wallet addresses (publicly visible on blockchain)

1.3 Information We Do NOT Collect

We do NOT collect:

• Personal identification information (name, email, phone number)
• Location data
• Contacts or address book information
• Biometric data
• Payment card information
• Browsing history or search queries
• Advertising identifiers for tracking

2. How We Use Your Information

2.1 To Provide Our Services

• Wallet Management: Store and manage your cryptocurrency wallet locally on your device
• Authentication: Verify your identity using blockchain signatures
• Social Media Features: Enable you to create, view, and interact with posts on LASKO
• App Functionality: Ensure the Apps work correctly and securely

2.2 To Improve Our Services

• Error Monitoring: Analyze anonymized error logs to fix bugs and improve stability
• Performance Optimization: Monitor app performance to enhance user experience
• Security: Detect and prevent security threats

2.3 Legal Basis for Processing

• Contractual Necessity: Processing necessary to provide the Apps' core functionality
• Legitimate Interests: Improving our services, ensuring security, and preventing fraud
• Consent: Where you have provided explicit consent (e.g., optional profile information)

3. How We Store Your Information

3.1 Local Storage

Sensitive Data (Stored Locally Only):

• Private Keys: Encrypted and stored in iOS Keychain or Android Keystore (never transmitted)
• Mnemonic Phrases: Encrypted and stored in iOS Keychain or Android Keystore (never transmitted)
• Wallet Addresses: Stored locally on your device

Profile Data:

• Display names and profile images stored in App Groups (shared between Zeroa and LASKO on the same device)
• Data remains on your device and is not transmitted to our servers

3.2 Remote Storage

Anonymized Logs:

• Error logs and diagnostic information are sent to our servers at halo.telestai.io
• Logs are anonymized and do not contain:

- Private keys or full mnemonic phrases

- Full wallet addresses (only first 10 characters)

- Personal identifying information

• Logs are retained for up to 7 days for debugging purposes

Blockchain Data:

• Transaction data is stored on the public Telestai blockchain
• This data is immutable and publicly accessible by design
• We do not control or store this data on our servers

3.3 Data Retention

• Local Data: Retained on your device until you delete the Apps or clear app data
• Remote Logs: Automatically deleted after 7 days
• Blockchain Data: Permanently stored on the blockchain (cannot be deleted)

4. Information Sharing and Disclosure

4.1 We Do NOT Sell Your Data

We never sell, rent, or trade your personal information to third parties.

4.2 Sharing Between Apps

App Groups:

• Zeroa and LASKO share profile information (display name, profile image) through iOS App Groups or Android SharedPreferences
• This sharing occurs only on your device and is not transmitted externally
• You can control this by managing profile settings in either app

4.3 Service Providers

We use the following third-party services:

Halo Indexer API (halo.telestai.io):

• Provides blockchain indexing and API services
• Receives anonymized error logs for debugging
• Does not receive private keys, mnemonics, or full wallet addresses

Blockchain Network:

• Telestai blockchain network (public, decentralized)
• Blockchain explorer services (e.g., telestai.cryptoscope.io)
• Transaction data is publicly visible on the blockchain

4.4 Legal Requirements

We may disclose your information if required by law, court order, or government regulation, or to:

• Protect our rights, property, or safety
• Prevent fraud or security threats
• Comply with legal obligations

5. Your Rights and Choices

5.1 Access and Control

You have the right to:

• Access your data stored locally on your device
• Delete your local data by uninstalling the Apps or clearing app data
• Control profile information through app settings
• Export your wallet using your mnemonic phrase

5.2 Data Deletion

To delete your data:

• Local Data: Uninstall the Apps or clear app data in device settings
• Profile Information: Delete profile data through app settings
• Blockchain Data: Cannot be deleted (blockchain is immutable)

Note: Deleting the Apps will remove all locally stored data, including private keys and mnemonics. Ensure you have backed up your mnemonic phrase before deletion, as we cannot recover lost wallets.

5.3 Opt-Out Options

• Error Logging: Contact us to opt out of remote error logging (may impact our ability to fix bugs)
• Profile Information: You can choose not to provide optional profile information

6. Security Measures

6.1 Encryption

• Private Keys: Encrypted using iOS Keychain or Android Keystore (hardware-backed when available)
• Local Storage: Sensitive data encrypted at rest
• Network Communication: All API communications use HTTPS/TLS encryption

6.2 Access Controls

• Device-Level Security: Private keys never leave your device unencrypted
• No Server-Side Storage: We do not store private keys or mnemonics on our servers
• Authentication: Blockchain-based cryptographic authentication

6.3 Best Practices

• Regular security audits
• Secure coding practices
• Minimal data collection
• Privacy-by-design architecture

7. Children's Privacy

Our Apps are not intended for children under the age of 13 (or the minimum age in your jurisdiction). We do not knowingly collect personal information from children. If you believe we have collected information from a child, please contact us immediately, and we will delete such information.

8. International Data Transfers

Your information may be processed and stored on servers located outside your country of residence. By using our Apps, you consent to the transfer of your information to countries that may have different data protection laws than your country.

We take appropriate measures to ensure your information is protected in accordance with this Privacy Policy, regardless of where it is processed.

9. Third-Party Services

9.1 Blockchain Networks

Our Apps interact with the Telestai blockchain network, which is:

• Public and Decentralized: Transaction data is publicly visible
• Immutable: Once recorded, data cannot be deleted
• Not Controlled by Us: We do not control the blockchain network

9.2 External APIs

• Halo Indexer API: Provides blockchain indexing services
• Blockchain Explorer APIs: Provide transaction and address information
• These services may have their own privacy policies

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by:

• Posting the updated policy in the Apps
• Updating the "Last Updated" date
• Providing notice through the Apps when possible

Your continued use of the Apps after changes become effective constitutes acceptance of the updated policy.

11. Your Responsibilities

11.1 Wallet Security

• Backup Your Mnemonic: Store your mnemonic phrase securely and never share it
• Protect Your Device: Use device security features (passcodes, biometrics)
• Verify Transactions: Always verify transaction details before confirming

11.2 Blockchain Transparency

• Public Transactions: All blockchain transactions are publicly visible
• Address Privacy: Consider using multiple addresses for enhanced privacy
• No Reversals: Blockchain transactions cannot be reversed

12. Contact Us

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

Telestai Foundation

• Email: [Contact email to be provided]
• Website: [Website URL to be provided]

For Data Protection Inquiries:

• Please include "Privacy Policy Inquiry" in your subject line
• We will respond within 30 days

13. Compliance

This Privacy Policy is designed to comply with:

• Apple App Store Guidelines: Meets Apple's privacy requirements for App Store submissions
• Google Play Store Policies: Meets Google's privacy requirements for Play Store submissions
• General Data Protection Regulation (GDPR): For users in the European Economic Area
• California Consumer Privacy Act (CCPA): For users in California
• Other Applicable Laws: As required by your jurisdiction

14. Additional Information for Specific Regions

14.1 European Economic Area (EEA)

If you are located in the EEA, you have additional rights under GDPR:

• Right to access your personal data
• Right to rectification
• Right to erasure ("right to be forgotten")
• Right to restrict processing
• Right to data portability
• Right to object to processing
• Right to withdraw consent

To exercise these rights, please contact us using the information in Section 12.

14.2 California

If you are a California resident, you have additional rights under CCPA:

• Right to know what personal information is collected
• Right to delete personal information
• Right to opt-out of the sale of personal information (we do not sell data)
• Right to non-discrimination

15. Definitions

• Private Key: A cryptographic key that allows you to sign transactions and access your wallet
• Mnemonic Phrase: A sequence of words used to recover your wallet
• Wallet Address: A public identifier for your wallet on the blockchain
• App Groups: iOS/Android mechanism for sharing data between apps on the same device
• Blockchain: A decentralized, public ledger of transactions

16. Acknowledgment

By using Zeroa and/or LASKO, you acknowledge that you have read, understood, and agree to this Privacy Policy. If you do not agree, please do not use our Apps.

Telestai Foundation

Building decentralized, privacy-first applications

This Privacy Policy is effective as of the "Last Updated" date and applies to all versions of Zeroa and LASKO apps.