A crypto airdrop is when a blockchain project distributes free tokens or coins to the crypto community.
To be a recipient of an crypto airdrop often the only requirement is that you have coins from the relevant blockchain stored in your wallet. Examples of this format of airdrops are Byteball, Stellar lumens and OmiseGo. These airdrops required you to proof you were the owner of Bitcoins or Ethereums at a certain time ( snapshot) of the blockchain.
The format of these crypto giveaways is usually like this: At a pre-announced time the project behind the event will take a ”snapshot” of the blockchain, anyone holding Ethereum or Bitcoin at that point will receive a certain number of free e-tokens. This can also be done on other blockchains, but Ethereum and Bitcoin are the most used for this airdrop format.
Other (often smaller) airdrops require social media posts or you need to contact a member of the team on the Bitcointalk forum. This form is gaining more popularity since September 2017. It's currently a hype to just fill in a google form with your email, telegram, twitter & wallet address to get free tokens. This format is often used for new crypto projects that are using airdrops as a marketing campaign."
-credit to Pokernomad on Steem
To get started up on getting airdrops you will need some things to get started off:
1. Telegram account
2. Twitter/Facebook Account
3. BTT account (obviously you already have that!)
4. MEW or Metamask wallet to store ERC-20 tokens. - a link for metamask can be found here:
https://metamask.io/5. WAVES platform wallet (only for some airdrops)
https://wavesplatform.com/Bounties are the reward for a paid work as being a translator, sharing posts etc.