Coinbase users asking the question “can you short cryptocurrency” will find that the answer is a definitive no unless they use a different service.
At the time of this writing in April 2021, Coinbase does not provide short selling services. Being more of a beginner-oriented exchange for people who might still be asking the question “what is Bitcoin”, it makes sense that Coinbase wouldn’t have this functionality. Shorting can be considered a strategy better suited to experienced traders.