An Airdrop is a free distribution of cryptocurrencies. They allow to advertising the com,pany who managing the project. It costs you nothing and can pay big on long term !
Just register on the site that offers airdrop and validate your email address (like an e-com,merce site). Tokens will be available on your newly created account. You can later send them to a wallet or an exchange.
This time the token will be sent directly to your wallet. An email address, your ether address, a Telegram and / or Bitcointalk username and a twitter username will usually be requested via an online form
It's simple: participate in a maximum of airdrop.The majority of them give each participant the equivalent of $ 5 to $ 20 tokens. Accumulated them is a good strategy to build or increase capital in cryptocurrency. (Som,e airdrop like the eBTC allowed to win until $ 1700)