BitUniverse and IOST is having a global grid trading competition which includes 10 exchanges around the cryptosphere. And that includes KuCoin with 222,221 IOST to be given away. It already started 10:00 this August 12, 2019 (UTC+8).
Check out the announcement on KuCoin here: https://www.kucoin.com/news/en-iost-grid-trading-competition-222221-iost-to-give-away
You can sign up to KuCoin here: https://www.kucoin.com/?rcode=Kt73ba