I've found this airdrop from Twitter on the official AELF page and it does work and is a legit crypto that can be traded at Binance and other exchanges. All you have to do is hook up social media accounts like Twitter and Github and tweet/like AELF's tweets to score free AELF.
Check it out:
https://candy.aelf.io/
RULES
An amount of ELF tokens, as you can see above, will be given as assignments reward for to all participants each 24 hours;
Complete the assignments below to earn you points, which are then used to calculate the total amount of ELF tokens rewarded at the end of each 24 hours;
The amount of ELF rewarded = your total points / total points combined from all participants * Total amount of ELF given in the same 24 hours;
Withdrawal of ELF will be available one month after earning;
If any type of cheating is detected, the accounts associated will be terminated, all previous rewards will be reset to zero;
All rights reserved to aelf foundation.
(Note: Your aelf account MUST first be connected to either your Twitter, Telegram or GitHub account before to you can start earning points through those platforms!)
