https://www.northrow.com/blog/will-a-cashless-society-be-the-end-of-financial-crime

...what is clear is there has been a dramatic rise in cybercrime and online fraud that businesses will need to be vigilant of since the outbreak of COVID-19.

Even now doing shady business in briefcases of cash is seen as old-fashioned. Criminals will always find ways to make their cashless transactions appear legitimate and not trigger alarms.