These days best signature bounty is AMLT. I'm doing it too.. Every professional say that it will be next rising ico. It ill be over on 30th Januar 2018. Get on the boat soon. You should be a member or above in bit talk ranking. And you should build 10 constructive posts per week. One post should have atleast 72 words. Go to this link and join the bounty program : https://bitcointalk.org/index.php?topic=2375857.msg24239752#msg24239752   ...  They have reserved 1% of tokens sold to reward bounty participants and among it , signature bounty gets 35% . Dont miss the chance..