I appreciate that.

On the inheritance front, do you simply give your heir(s) the single sig key + passphrase while you are alive right now? Or do you have any other interesting ways of dealing with inheritance?

Any concerns about some type of 'retirement' attack where the hardware wallet manufacturer essentially preprogrammed a seed into the wallet and is waiting until some day to sweep all funds?

Perhaps I'm just being too paranoid, I had got into multisig after reading/listening to Michael Flaxman talk about the benefits: https://btcguide.github.io/why-multisig