Hi there i am on hive or steem

I am quite surprised and thinking i am just on hive or steem i am posting this through hive website , why all steem posts are showing on hive , am i on hive or steem , which is the legit link to write on hive as we write on steemit , please guide me i am just curious to know and how to check HP power and HP balance. If any of hive expert see this post let me know Thanks.