Check Your Knowledge

As our individual data generation and collection grows, so does the collective amount of data stored in the world. Controlling access and maintaining the privacy of our data -- especially as we use our myriad of devices in places far outside our own homes over wireless connections -- is critical. We'll also toss in here the concept of having a secure form of money -- bitcoin!


關於 Coursera

Courses, Specializations, and Online Degrees taught by top instructors from the world's best universities and educational institutions.

Join a community of 40 million learners from around the world
Earn a skill-based course certificate to apply your knowledge
Gain confidence in your skills and further your career