Depending on everything falling apart doesn’t seem to work as a plan though. Fallout shelters rotted away with certain nuclear holocaust never came, 80s investers in Silver’s imminent rise cried all the way to the poorhouse and I don’t see much different today.
Block chain *is* fascinating technology although it still suffers from the “password problem”.
Oldest trick in the book: Want to wreck any security system? Look under someone’s keyboard, monitor, left hand drawer of their desk and find the slip of paper with the list of passwords on it – or for more intermediate users, the TXT file with names/passwords. Most people don’t go beyond those.