Hello! This is @riverflows from the OCD team. We saw that you already posted your first post here in Hive! Congratulations and welcome!
There's a few people from Indonesia here. I like your user name! As @brittandjosie said, Peakd is the application, but everything is built on the Hive BLOCKCHAIN. You'll find there's lots of different applications that all do similiar things. When you vote on one, that vote happens on all of them. When you post on one, that post happens on all of them. I see you are a mobile phone user. I loved Peaked, but some people like using the mobile applications Ecency or Dapplr. Thanks for your introduction - good luck here!
If you have questions or concerns, you can hop into OCD's Discord server and we'll gladly answer your questions.