Indeed I did delete my comment :). I have been interested in the white spy / black spy aspect of semantic trading for sometime and the trust related issues. How

Indeed I did delete my comment :). I have been interested in the white spy / black spy aspect of semantic trading for sometime and the trust related issues. However I have no expertise in the area and no one in my network works in the area. Folks doing technology in finance usually document their work much lesser than other fields, perhaps because of the financial incentives to keep secrets. So I thought tapping the wisdom of HN was my best bet to scratch my curiosity scratch.