Referrals Through digital credentials

Referrals helps to standout from the competition. Now organizations conduct webinars, events and product training programs to create awareness. Using digital credential tool http://certifyme.online/ helps to issue sharable credentials. Once an awardee share the credential into relevant social media page it helps to create impressions and their network will engage. While CertifyMe's digital credential platform have the branding space with CTA helps interested people to land on your website. So can we consider digital credentials as an effective tool for referral marketing?