Coinbase is now offering $50 in EOS, $50 in XLM, and $52 in OXT for you to watch a few short videos and answer some quiz questions after each section as a marketing campaign to raise awareness. After each correct answer, the coins show up instantly in your portfolio.
Invite links:
EOS: https://coinbase.com/earn/eos/invite/wcb3np9t
XLM: https://coinbase.com/earn/xlm/invite/t4rwhkfz
OXT: https://coinbase.com/earn/oxt/invite/74bh0r1s