> 2-of-2 multisig that downgrades to 1-of-2 multisig over time
Did you mean "downgrades to 1-of-1"? "1-of-2" implies either key would work.
> The multisig reverts to only your key after a printed expiration date on the note
Did you mean "downgrades to 1-of-1"? "1-of-2" implies either key would work.
> The multisig reverts to only your key after a printed expiration date on the note