Terms of Service

Last updated: January 2026

1. General provisions

These Terms of Service govern the use of the Qubit service (“Service”) offered at qubit.qcomply.tech. By using the Service, you accept these terms.

2. Description of the service

Qubit is a post-quantum messenger using symmetric cryptography only. It allows the exchange of encrypted text messages between users who have previously exchanged a key in person (offline). The Service does not store message content in plain form.

3. Registration and account

Registration is required to use the Service. The user provides a password; the login nickname is generated automatically and cannot be changed. The user undertakes to keep the password and nickname confidential. Password recovery is not provided.

4. Rules of use

The user agrees to use the Service in accordance with the law. Use of the Service for unlawful purposes or in a manner that infringes the rights of third parties is prohibited. The Service is intended for natural persons only; bot registration or automated accounts are not permitted.

5. Limitations

The Service allows only text messages (ASCII) to be sent. It does not offer group chats, attachments or reactions. The demo version may store keys in the server database; the production version will store keys only on the user’s device.

6. Changes and termination

The Service operator reserves the right to change these terms, with reasonable notice. The user may stop using the Service at any time. The operator may suspend or discontinue the Service for good cause.

7. Contact

For matters related to the Service, please contact: [email protected].