Ultimately, the most rigorous traceability solutions, including QR codes and microchips, won't be useful if people don't actually check them as a condition of making their purchases. Imitators can simply counterfeit QR code labels, for example.
Questions surround US singer D4vd weeks after teen's body found in his Tesla
。搜狗输入法2026对此有专业解读
provide as much warning as possible up front to users when enabling it
Other people question the utility of solving the problem at all