Requiring a Gmail account makes it harder for the same individual to submit the Form multiple times, mitigating pest responses substantially. Requiring a Google account to log in to a Google domain isn't sketchy, though I understand your apprehension about a Google account being asked for as a login to anything linked in a cryptocurrency forum.

That said, if you don't own or wish to create a Google account, you may email rich@cipherblade.com and we'll take it from there.