Blockchain-Based Privacy Protection Scheme for IoT-Assisted Educational Big Data Management

Table 1

Access control rules in our experiment.

	Sound	Check-in & check-out	Camera
Students	✓	✗	✗
Parents	✓	✓	✗
Teachers	✓	✓	✓
Education managers	✓	✓	✓
Unauthorized people	✗	✗	✗