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My interest is and always has been in straight-up 'reserve currencies'. Ultra light-weight and quite high latency (or low block frequency which is more familiar to folks.) Probably kept lite way by kicking people out who don't maintain a minimum and cleaning up after them (by trashing whatever mess they've left.) It would very deliberately NOT be for everyone. Those who cannot stand the heat (which would vary from jurisdiction to jurisdiction) are a liability. The only goal would be to provide backing to more user-friendly solutions (much as sidechains are trying to be.) The value would be that it would be ultra-difficult to put out of action which is what I see as the most important aspect of a reserve currency.
It would be designed to protect against a dedicated and persistant attack using all means available (now and in the foreseeable future) by internet network providers who I do not and cannot trust. By being small, this would include operating steganographically at a minimum, but in operation it would foster the growth of functionality not even making use of the global internet at all. Private links and 'IPoAC'-like data channels would be rewarded so they would maintain a reasonable representation.
I've seen nothing like this and nobody showing any interest which surprises me a little. Oh well.
I'm ambivalent about anonymity. It's got advantages and disadvantages for the goals of a solution such as I'm imagining, though probably more of the former.
It sounds like you want digital gold. Not the superclass to gold that bitcoin represents, but more of a direct electronic clone.
I kinda don't think that works longrun for the same reasons I don't think gold works longrun anymore: neither would be *actually* useful day-to-day. So you're insuring for the same semi-apocalypse scenario. Which is fine if that's your thing; let's just be clear on how fat a slice of the long-tail you're hedging: thin.
To be clear, I find it unlikely that such a thing, so untied from everyday economic use demand, can last as a desirable value store. Gold developed the way it did *out of* exchange utility. The last link (and government-enforced at that) to that was severed in 1971 and gold is now mainly flying on historical momentum. Maybe I'm wrong about that, but that's the thesis.
I think a meaningful friction-of-exchange-reducing economic link is likely critical for a non-industrial-use commodity to retain longterm value.