To maintain the rights guaranteed to everybody in Common Law http://vinay.howtolivewiki.com/blog/other/taking-a-crack-at-a-practical-system-introducing-the-esc

To maintain the rights guaranteed to everybody in Common Law http://vinay.howtolivewiki.com/blog/other/taking-a-crack-at-a-practical-system-introducing-the-escrownym-3004 http://vinay.howtolivewiki.com/blog/other/taking-a-crack-at-... has a detailed analysis of why it's necessary and how to implement a subset of those rights.