Verified Certificate

Supported by the following organizations

This is to certify that David Jose de Abreu Roldao successfully completed and received a passing grade in CS198.1x: Bitcoin and Cryptocurrencies a course of study offered by BerkeleyX, an online learning initiative of University of California, Berkeley.

Noted by

Rustie Lin

Rustie Lin

Blockchain at BerkeleyX Lead, Instructor University of California, Berkeley

Mengyi (Gloria) Wang

Mengyi (Gloria) Wang

Blockchain at BerkeleyX, Instructor University of California, Berkeley

About edX

edX offers interactive online classes and MOOCs from the world’s best universities, including MIT, Harvard, Berkeley, University of Texas, and many others. edX is a mission driven initiative created by founding partners Harvard and MIT.

About edX Verified Certificates

An edX Verified Certificate signifies that the learner has agreed to abide by the edX honor code and completed all of the required tasks of this course under its guidelines, as well as having their photo ID checked to verify their identity.