https://coinmarketcap.com/earn/
Although this campaign has concluded and reached its end point, I think the material presented is worth more than the value of the band that was offered as a reward!
https://coinmarketcap.com/earn/project/band-protocol
(Sign up using your email for the next earning campaigns.)
Band recently added to the coinbase platform is a decentralized cross chain cryptographic protocol oracle That facilitates smart contracts to connect with compiled data trust less and scalable. Band operates on a (DPOS) delegated proof of stake and allows developers and users to create oracles that interact with the band blockchain. Band token ensures security and incentivized token holder who delegate there coins to staking. A moment of research is worth a moment!