In James Rickards 2016 book, The Road to Ruin: The Global Elites' Secret Plan for the Next Financial Crisis, he describes an economic checkmate where a secret plan called ICE NINE is activated as the central banks teeter on collapse "They will quarantine your money by locking it inside the financial system until the contagion subsides." They will also lock security exchanges.
If it's true that no liquidity in the silver market exists and there is a rush on physical silver there is a very real possibility the whole system will come down. I believe this will be the mass awakening event.
Summary: https://lfb.org/ice-9-jim-rickards-reveals-elites-master-plan-3-ways-protect/ Video: https://www.youtube.com/watch?v=h8GGm0WOGms
We have a large glass jug that we put all our "silver" change into. It's too heavy for anyone to pick up and run off with. I figure we've got that and some gold/silver jewelry.