These are the slides from the talk I gave at Royal Holloway, University of London, on 5th March 2001, to a class from the MSc course in Secure Electronic Commerce. The overall focus was rather different, but some of the content updates and expands upon a previous talk I gave.

There are seventeen pages with five slides to a page, to make downloads quicker (the final page contains six slides). The graphics are as exported from Lotus Freelance - however, not at quite the same resolution as they display on screen, and converted to 256 colours, hence a little "blocky". (Looked a lot better in JPEG format, but ten times larger. Ah well.)

The list of links that I handed out is also available.

If you have any questions regarding the slides, do feel free to mail me at mel@herald.co.uk.

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