D.C.'s ban on cashless businesses takes effect
Almost every comment is about politics, choice, privacy, rights,
markets and percentages.<p>There's a completely different take; Civic resilience<p>From an operational and strategic security POV, cash is a vastly
superior technology. It doesn't need electricity, a network of cables,
satellites and routers.<p>Therefore cash in circulation acts as a buffer that provides economic
stability and continuity of operations.<p>Also, take a look at a modern European bank note, like we have in the
UK.  It's a sophisticated technology. It's not like we still have
Roman coins that any blacksmith can forge.<p>There are many good, but more subtle reasons for preserving the use of
cash, and regulating business practices if necessary to do so.