Hello, A cryptocurrency airdrop is a type of marketing promotion offered by new cryptocurrency startups in order to promote awareness of their project. It generally involves sending small amounts of cryptocurrency as a reward for completing a simple task such as following them on twitter, joining a telegram group, or registering for a website. Currently, there are a few opportunities to earn free cryptocurrency online. Heres is a short list: Participate in Cryptocurrency Airdrops - As explained above, this is a method for gaining free cryptocurrency. Currently Preseach is having an airdrop where new users are rewarded with 25 PRE tokens for registering. Users can earn an additional 8 tokens daily by completing searches with their decentalized search engine. presearch.org/signup?rid=493707