You do realize that these sites are Ponzi schemes/scams, right?
Yes, it's definitely ponzi scheme.
Newbie with 2 posts and ask to build double bitcoin site, it's obviously OP is scammer, beware.
Hopefully OP also realizes that they have provided their email address (and thus, by extension, the name they used when signing up for a Google account) in a public venue alongside such a questionable request.