Hacker News is such a bizarre place. On the one hand, we have threads about how browsers are fingerprintable and some app is using telemetry and endless discussions on theoretical zero-knowledge protocols and the importance of cryptography and Snowden saying this and that that get voted up to the top. On the other hand, something like this comes up which is basically another step along the "no-one accepts cash" funne…
How long before some stores don't accept cash? How long before banks do a background check (taking weeks) before giving you cash?
This already happens. My closest NFL and MLB stadiums do not accept cash for anything inside the park.