1) food poisoning
2) systemic risk in the financial system
3) data breaches
4) violations of civil liberties
5) tax evasion
6) insider trading
In each case, we could do a lot more to stop the problem if we better tracked the actions that lead to it. An “audit trail” can enable that tracking. Decades ago, such tracking would be inordinately costly. Nowadays, it is increasingly embedded into any quality logistical system. The technologies of RFID chips, cheap imaging and data storage, and rapid search are ubiquitous. Corporations use them to track customers and products. Now public authorities need to use them to track corporations.