Your content should be in English. Chinese and Spanish are also acceptable for very basic topics.2.
You can not use existing content, created on Stepik prior to November 20, 2016.3.
All public content on Stepik have the default open license (Creative Commons BY-SA 4.0
), including all courses created by you for this competition. Everybody will be able to share and adapt your content freely but with attribution.4.
You can use the content created by another person as long as it's compatible with CC BY-SA 4.0 license and you have fulfilled all the necessary requirements by the content owner (e.g. correct attribution or having a direct permission from the author).5.
Stepik employees can participate in the competition but are not eligible for prizes. Sorry folks.