If you’re still wondering why anyone would go through the trouble to do this, [Ryan] provides an excellent example: a covert “dead drop” where people could leave messages they’d rather not ...
If you don't want to play it stealthy, you can set a Booby Trap ... Unlock it with a lockpick, and you'll find the last Dead Drop workbench. You'll get a new attachment for your pistols.
[Tyler Spilker’s] DDD project is a Digital Dead Drop system based on Python and a Raspberry Pi as a server. It’s pretty rough around the edges at this point — which he freely admits.