Coinbase earn is a way for you to watch short videos, then take quizzes to earn free crypto. From time to time they add new coins to earn. The recently added an ampleforth quiz offering $3 in FORTH. The videos are short and easy to follow, but just in case you are busy and just want to grab the coins quickly here are the quiz answers.
1: Rebase
2: AMPL and FORTH
3: DeFi building block