I hope you won't mind if I will share it with you. On Hive, your HP affects both your author and curation rewards. And since a newcomer does not have much HP, tipping tokens is a good alternative to reward the content creator you like. For a more detailed description, I just want to refer you to the guide published by Hive account@savvyplayer: @savvyplayer/list-of-hive-engine-tokens