Very well, if you are interested in signature Bounty, then you can rightly participate in the bounty of this trustworthy ICO known as Viola.AI
It's a registered dating company in Singapore with a working product such as an APP available for download via Google play and they have also gotten a merchant portal which will add value to the VAI tokens. You can check their telegram link below to know more about how you can participate in their bounty before it closes on the 31st July, 2018!
Telegram:
https://t.me/ViolaAI