You are dreaming if you think anyone will accept gold for safe passage in that situation- they will take your gold and everything else you physically carry. Except if you have your own guns and extra bullets for barter.
Discussion
Sorry to ruin the movie set up described. Gold is the bottom line disappointing or not and what happens irl. Yes that will be taken but also will get a passage its 50/50. Now try to buy that with bitcoin. Bitcoin will help on the otherside if only get there and no use beforehand, no internet, starlink, star aligned and so on. Get the drill.