Yes, we supply a non-disclosure agreement. Our system supports secure, legally-binding electronic signatures.
If you'd like to protect the confidentiality of the information you disclose to a mentor or are concerned about the privacy and/or copyright of your project, be sure to send an NDA to the mentor beforehand. This agreement also covers Work for Hire.
You can request a mentor to sign the NDA electronically via the icon on the bottom left corner of the chat box, as shown in the gif below: