The minimum contribution is set to 0.1 ETH.

Yes, there is a bonus on every purchase as below:
May 1-7 +30% tokens
May 8-14 +20% tokens
May 15-21 +10% tokens

Proof  of Authentication post link
Facebook username:        rickysaini1997   
Facebook Profile Link: http://www.facebook.com/yogesh7532
Tweetr user name:          @ritiksaini1997     
Twitter Profile Link: https://twitter.com/sainiyksaini1
Talygram usr name:      @ritik1997   
Talygram link:   https://t.me/ritik1997 

The team seems to be fulfilled, there are developers, designers, lawyers and advisors. But I don’t exclude that they could hire some talented and interesting people

I think this is still due to the fact that testing the platform and other software takes a long time to make the project as good as possible.

Do you have a plan for applying for a legal license?

Is your currency depend on Ethereum fluctuation? Or the price will be independent?

Great project! I will join ico, I hope the project will succeed!

Hi!  Do I need to verify my identity to take part in Sint ICO?

 Which exchanges will offer SIN token and when?