Feel free to use my links to get free crypto and find quiz answer :

Up to 43$ in BAND: https://coinbase.com/earn/band/invite/qd8w2k1g

Answer:

1. Real world data
2. Oracles
3. Earn crypto rewards

Up to 59$ in COMP: https://coinbase.com/earn/comp/invite/d5s120ym

Answer:

1. Earn interest on crypto
2. Supply crypto asset as collateral
3. COMP token holders

Up to 50$ in XLM: https://coinbase.com/earn/xlm/invite/fkndxc6p

Answer:

1. A decentralized protocol that unites the world financial infrastructure.
2. Facilitating low cost, universal payments.
3. Transactions are fast, inexpensive, and global.
4. To issue, exchange, and transfer tokens quickly and efficiently
5. It relies on the cooperation of trusted nodes to confirm transactions

I appreciate and have a great day !