I'd love to understand the legal/tax aspects of this - what SSN and addresses does the "middle man" use - I get that it's easy to get an SSN but within a matter

I'd love to understand the legal/tax aspects of this - what SSN and addresses does the "middle man" use - I get that it's easy to get an SSN but within a matter of a year most of the work would be discovered come tax time. And IMO the best parts of Tech are the actual vesting and RSU/Option packages an employee gets.