In this ESL lesson plan for adults and teens, students watch an educational video about how Bitcoin and cryptocurrency mining works. It includes discussion questions and other speaking activities about finance, cryptocurrency, and Bitcoin. Students also learn some important vocabulary terms and phrases from the video. The post-viewing section includes an activity on gerunds, vocabulary context usage, prefixes / suffixes, and prepositions. There are additional speaking tasks included, as well as a quiz and review section with a bonus activity.