There are lot of bounties exist in crypto. Some are scam and some are worth it. But in order to join a bounty you need to rank up first to jr member. Actually there are lot of good bounty but you need to study and do research in order to find a good signature. It always depends on the campaigns project and of course the manager who manages the project is a plus factor too. But there are a lot of scam too. You need to research and vigilant to avoid scam. To gain more in the industry it always takes patience and determination to receive tokens and rewards from the campaigns you are in. But it is always worth the wait.