MamaFi Privacy Policy
Last Updated: 11 August 2025
MamaFi Ltd ("MamaFi", "we", "our", or "us") is committed to protecting your privacy and ensuring the security of your personal data. We follow a privacy-by-design approach: we only collect the minimum amount of personal data necessary to provide our services securely and effectively.
We do not sell, rent, or trade your personal information. Our platform is built with encryption at its core to protect your communications and assets.
1. Data Controller
MamaFi Ltd
Registered in England & Wales
71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom
Company Number: 16470954
ICO Registration Number: ZB904632
Email: [email protected]
2. Data We Collect
We collect only what is essential for the functioning and security of our services:
- Mobile phone number – required to create and verify your account.
We do not collect sensitive personal data (e.g., biometric data, contact lists, or location history) without your explicit consent.
3. How We Use Your Data
We use your data exclusively for:
- Account verification via OTP (One-Time Password) sent by SMS.
- Authentication and secure access to your MamaFi account.
- Wallet access – linking your phone number to your Ethereum wallet.
- Fraud prevention and security monitoring.
- Customer support.
Your phone number is never used for marketing or promotional purposes.
4. Legal Basis for Processing
Our processing of personal data is based on:
- Performance of a contract – to deliver MamaFi services to you.
- Compliance with legal obligations – such as AML/KYC requirements where applicable.
- Legitimate interests – maintaining platform security and preventing misuse.
5. Data Retention
We keep personal data only as long as your account is active or as required by law.
If you request account deletion, we will delete or anonymize your personal data within 30 days.
You can request account deletion directly in the MamaFi app under Settings > Privacy > Delete Account.
6. Data Security
We employ industry-leading security measures, including:
- End-to-end encryption for communications.
- Seed Phrase encryption for storing wallets.
- Data centers.
- Continuous monitoring and intrusion detection.
7. Data Sharing
We do not sell, rent, or trade your data.
We may share data only with:
- Service providers for OTP/SMS delivery.
- Technical partners for wallet functionality (without access to your private keys).
- Law enforcement agencies when legally required.
8. International Data Transfers
MamaFi's servers are currently hosted in Europe on DigitalOcean.
If data is transferred outside the UK or European Economic Area, we ensure appropriate safeguards, such as Standard Contractual Clauses or equivalent protections.
All data transfers are encrypted in transit and at rest.
9. Your Rights
Under applicable privacy laws, you have the right to:
- Access your personal data.
- Request correction of inaccurate data.
- Request deletion ("right to be forgotten").
- Restrict or object to processing.
To exercise your rights, contact [email protected].
10. Wallet and Blockchain Data
- Your phone number is linked to your Ethereum wallet only for authentication purposes.
- Transactions are initiated solely by you and are recorded on the public Ethereum blockchain.
- Blockchain records are immutable and cannot be altered or deleted by MamaFi or any other party.
11. Children's Privacy
MamaFi is not intended for individuals under the age of 18.
If we discover that we have inadvertently collected data from a minor, we will delete it promptly.
12. Changes to This Policy
We may update this Privacy Policy from time to time. Significant changes will be communicated via a push notification within the MamaFi app so that you are informed as soon as you open the application.
Updates will take effect no earlier than 7 days after the notification is sent.
13. Contact Us
If you have questions about this Privacy Policy, contact:
MamaFi Ltd
71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom
Company Number: 16470954
ICO Registration Number: ZB904632
Email: [email protected]