I keep a couple of m-discs in my gun safe encrypted with a password most of my family knows, but they don't know the safe combination. If I kick the bucket they

I keep a couple of m-discs in my gun safe encrypted with a password most of my family knows, but they don't know the safe combination. If I kick the bucket they can cut the hinges off in a few minutes with my angle grinder. They could also use my corpse's finger to unlock my phone but that's a bit morbid.