Can we use wormholes?

Could you please elaborate on the concept of wormholes and their potential application? Are they a theoretical or proven concept in physics? Would it be feasible to use wormholes for transportation purposes? How do we even imagine constructing or accessing them? Could you provide examples of theoretical models or studies related to wormholes? Additionally, are there any safety concerns or ethical implications involved in utilizing wormholes? How might their use revolutionize space exploration and communication? And ultimately, are there any barriers to their implementation in our current technological state? Thank you for shedding some light on this intriguing subject matter.