Normal people here, including Board Owner, cannot identify you or see your IP address.
Every intelligence agency likely can, both inside and outside the U.S.
That being said, I recommend you do it anyway. It's really now or never. There has never been a safer time to do this despite how unsafe it still remains. Get into the fight, though it is risky for you to some degree.
No matter what happens to you (or doesn't), we will celebrate your contributions and spread the info you give us.