An introduction to Grin, the first public implementation of the Mimblewimble protocol. Grin is a cryptocurrency focused on privacy, scalability, and fairness, with a bottoms-up open community that is welcoming to all kinds of contributions. This talk is going to be an overview of the project. Particularly, I will try to explore how the project fares in what I consider as its core tenets, those of .. (2019-10-16)