Is it possible to have a bank account or electric bill for a fraction of a crown?
In the distant past when I still named computers, I'd always make sure to have a zloty and a kopek somewhere in the zoo; typically they'd be NIS servers or recursive DNS servers or other similarly important task trivially serviced by an antiquated server I had fondness for and wanted an excuse to not retire. "You can't turn off those SLCs; they're the NIS servers for the statistics department..."