For several months, Coinbase has offering Airdrops on different cryptocurrencies.

For several minutes of attention and explanatory videos for each cryptocurrency, you can complete a questionnaire about your acquired knowledge before being rewarded for your good answers.

Presentation of cryptocurrency endorsed by Coinbase:

Orchid (OXT):
Ochid is an Ethereum token. It is a P2P confiendiality tool based on a VPN. These token used to use this VPN.

Tezos (XTZ):
Cryptocurrency based on the blockchain that highlights the upgrade, security and open participation of its users.

DAI:
A stable token type based on the US dollar. Its price is steadily moving towards the dollar through the open source Maker project.

EOS:
Protocol developed for quick application commissioning on the blockchain.

Stellar (XLM):
Lumens are token to connect banks, businesses, individuals as well as any payment system. Stellar has no boundaries and allows rapid transfer.

Basic Attention Token (BAT):
Token created to instill a new current in the web 3.0. Fair remuneration of content creators on the web.

I offer you 5 invitations to learn on the Lumens (XLM):
https://coinbase.com/earn/xlm/invite/62qp430g

As well as 5 invitations on the EOS: (NOW 3)
https://coinbase.com/earn/eos/invite/x9k31764

Once the invitation is accepted, the platform sets up a queue system to channel requests.