The United States Patent and Trademark Office (USPTO) plans to start issuing electronic trademark registration certificates in spring 2022. Upon issuance, these will be the official registration certificates. To learn more, please see the Federal Register Notice.
For more on how the USPTO is modernizing the way it issues patents and trademark registrations, read the recent blog by Drew Hirshfeld, performing the Functions and Duties of the Under Secretary of Commerce for Intellectual Property and Director of the USPTO.