So, uh, isn't this kind of what a Living Will is for?
Put all your info in a lockbox at the bank and then Will the lockbox to whoever needs the info... or something.
When I think about it, if I were to die then nobody really needs to know anything about me that they don't already know. All my accounts with passwords that people don't know and everything can just die with me and it won't matter.
Agreed: passwords (to your porn sites, especially) should die with you. The only stuff you really need people to find are things with MONEY attached to them....and/or lists of physical items you want your survivors to be given......like your motorcycle and your picture of Aunt Bertha holding you in her arms after Uncle Harold saved you from drowning.
Instructions pertaining to these "things of value" are kept in your WILL (not your "living will".....that's a document that describes the terms of the health care you'll be given in the event you are seriously injured, but NOT dead.)
Put your WILL......along with a LIVING WILL (called a Personal Care Power of Attorney in Canada) in a "Joint Safety Deposit Box" at your financial institution (so that your spouse, who probably gets most of your "stuff" when you die, has access to it without needing to ASK or PROVE anything; she just walks in and gets it using her key.
If you BOTH die in the same plane/fire/what-have-you......your Powers of Attorney...(you and your spouse BOTH need one......handier if the same person for both of you) walks in to the bank and shows his POA document (the bank or your lawyer would have created this doc) and both of your death certificates.....and then (S)HE has access to the box once containing instructions for distribution of property for both of you.
Simple? Yes! It's one of those procrastination things though, cause no one wants to think about that inevitable day!