CryptoCrypt is a free webservice to set up a delayed email. You create this email now, telling your loved ones where they can find your recovery phrase.
We'll then contact your regularly (once per month) to confirm you're still active. If you fail to answer, we'll assume the worst and send your message on your behalf.

I need this service for myself anyway, and it costs the same to run it for me or for thousands. If you like it, you can donate.

Remember the golden rule of cold wallet storage: you should never share your recovery phrase online, or write it on a computer connected. You should not write it in this website: instead, give instructions that will help your loved ones figure out how to retrieve your stash. See examples.
If you follow those rules, you'll be safe.

First and foremost, I am.
I've been concerned for some time about how to pass crypto if anything should happen to me, as my wife isn't technically inclined. I know she might forget technical instructions, so a written message delivered at the right time will be the most efficient way to help her in the process.

Good! You should never share your recovery phrase online. You shouldn't be typing the actual words, instead you can tell your loved ones where they can find those words in the physical world. See examples.

Everything you send here is yours forever. You can delete it completely and be ensured it won't be around anymore in any place. Data is not shared with third parties, not read by first parties. The website does not use any external dependencies, anything you write here will only be visible to you and your trustee.

We want to keep things simple, and easy to use for you for the next decade. Accounts are cumbersome, but we can assume your email will be the most stable thing however. By using UUID, we guarantee that no one can ever find your address. The level of security is roughly the same as the probability of finding a Bitcoin wallet by typing random words: there are 2¹⁶⁰ possible Bitcoin wallets, and there are 2¹²² UUIDs. Additionally, this website includes heavy rate limiting, to avoid enumeration attacks.

Yes. There is no limit to the number of crypts you can have.

I use this service for myself, so it'll be running in the foreseeable future for sure. The server is paid in advance for ten years. If you're really concerned, you can self-host for free.