Like credentials in escrow. You'd have to have a service that was massive, like a Verisign/Thawt . . . actually an existing SSL certificate provider is perfectl

Like credentials in escrow. You'd have to have a service that was massive, like a Verisign/Thawt . . . actually an existing SSL certificate provider is perfectly positioned to enter the market. When you die there's a list of next-of-kin that are contacted with your credentials to various sites, and maybe a prepared (editable or non, depending on preference) obituary.