[mdx] what to trust

[Josh Howlett]

> So what you say is that the only way to encode trust in 
> metadata *internal* to a metadata aggregator is signatures. 
> That might be true... I need to think about that.

Hopefully finishing my punctuated series of replies - and actually
answering your question - I'm inclined to think that signatures are the
only practical approach in the short term, but longer term it may be
necessary to establish more dynamic ways of establishing trust. That's
why I think GSS is interesting. But this is definitely out-of-scope for
MDX, so I'll shut up now.

josh.

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