Shared secrets and corporations in Cyberspace.
How can collective entities hold keys? Corporations derive their cohesion partly from realspace coercion, and partly by trust based on face to face interactions among the participants, and partly from their brand name. Trusts derive their cohesion primarily from trust, again based on face to face interaction. A cyberspace corporation would derive its cohesion primarily from its name identification and the public key associated with its brand name. Consumers would presumably wish there financial instruments to be signed to the public key of Megacorp life insurance, rather than Megacorp's insurance saleman, for fear that otherwise their funds might go astray, or they might get bad software, etc, and the private key corresponding to that public key will sign the employees paycheques. If a cyberspace corporation does not have a valued brand name it is likely to disintegrate into its components, in the way that some realspace corporations did in the boisterous early days of silicon valley. But this creates a problem of "owning the corporation". If one man knows the corporations secret key, he can pretty much tell the shareholders to go take a hike. If two men know the secret key, it probably will not remain secret much longer. One solution is to use truenames, rather than keys as the "real identity" -- set up financial transaction software so that it considers that any key signed by a proper authority certifying the key to be the key of Megacorp is a valid Megacorp key, that all such keys are equivalent, and that the authority will only issue keys to one entity called Megacorp. Then when folk start fighting over who is the real Megacorp, the authority resolves the dispute by conventional means. Current proposals for transaction software are based on truenames and trees-of-trust. This is not too bad as long as we have a forest, not a single tree, but still, one would like to have some arrangement whereby a large number of people could share a single key, and can buy and sell interests in that key, whereby we can have the mechanisms of shared ownership without the need for an external authority to enforce it. Obviously trusts will work fine in Cyberspace, but trusts are by their nature small and undemocratic. --------------------------------------------------------------------- | We have the right to defend ourselves | http://www.jim.com/jamesd/ and our property, because of the kind | of animals that we are. True law | James A. Donald derives from this right, not from the | arbitrary power of the state. | jamesd@echeque.com
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James A. Donald