Nevertheless, it is likely that the threat of terrorism and organised crime, and the precedent of existing methods for tracking money, will be strong counter-arguments in favour of tracking technology.

ECONOMIST: Money of the future may almost literally talk

Governments are snapping up advanced monitoring and tracking systems to boost domestic law enforcement and counter the threat of terrorism even as businesses use the technology to manage and protect sensitive data.

FORBES: Surveillance Technology Firms Face Reputational Bust Amid Business Boom