It is used by companies, schools, and individuals to prepare for certifications (e.g., Certificat Voltaire). The platform uses a to assess errors and progression.
In the modern digital context, "Projet Voltaire Hacks" usually refer to technical exploits used by students to automate the platform's exercises: Console Scripts Projet Voltaire Hack
While the allure of getting ahead or achieving quick results may be tempting, hacking or manipulating Projet Voltaire is not worth the risks: It is used by companies, schools, and individuals