How can a cryptocurrency audit firm improve a client's competence?

Could you elaborate on how a cryptocurrency audit firm could potentially bolster a client's competence within the realm of digital assets? What specific strategies or methodologies do these firms typically employ to ensure their clients are well-versed and adept in navigating the complexities of the crypto landscape? Additionally, how do they measure the success of their interventions and the impact they've had on their clients' overall proficiency?