Comment: You missed the distinction

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In reply to comment: But that's essentially the (see in situ)

You missed the distinction

even fiat money you have your choice to hide in your mattress, carry in your wallet, bury in your backyard, place in a bank.

Bitcons are limited to THEIR wallet

Their wallet that which just so happens to be vulnerable as already proven by the hacking/looting of bitcoins earliest this year.