> So we need a way of getting private keys to beneficiaries without risk, perhaps involving some kind of secret sharing scheme and reasonably trusted third part

> So we need a way of getting private keys to beneficiaries without risk, perhaps involving some kind of secret sharing scheme and reasonably trusted third parties (lawyers, friends, relatives). I've spent some time thinking about how you'd achieve this, and have concluded that it's beyond me. Seriously? I could have the core system developed within a day. Do you want me to do it?