Hello!
We do not have a bounty program for the first presale, but we are considering one for 2nd presale in June.

You can check our roadmap on our website : https://taitoss.org/en/main#scene02
Also, take a look at our WhitePaper for better understanding : https://d2x111fohwri1f.cloudfront.net/document/taitoss_w_paper_en.pdf