Not all projects do have bounty campaign. Bounty campaign is a way of dissiminating the project or the information about the project in different sections like in social media which is facebook and twitter, then youtube, telegram, etc. It can help attract more investor/ coin buyers to reach the softcap or hardcap. Bounty have participants. Participants are the one who dissiminate information and at the end when the project succeeded they have stakes or they will receive their share.