Currently airdrops are happening every monday, giving +3% to every address that holds at least 10 BTX.
Additionally there will be a massive special airdrop with 25% on October 30th!
These automatic airdrops will end on 2nd of November 2017.
HOWEVER you will still get at least +3% every week, if you register your address on
https://bitcore.ccBut how can I register my address on the webpage, there is no registration available