Thinking about this a bit more, if it ever becomes reasonable to co-operatively crack a key, it could only be a good thing for bitcoin economy. 1. If the owner

Thinking about this a bit more, if it ever becomes reasonable to co-operatively crack a key, it could only be a good thing for bitcoin economy. 1. If the owner of the wallet still has access to it, they can easily transfer the amount to smaller wallets, and reduce their risk. 2. If the owner has lost access, it is good for the community to recover the lost coins.