For over a century, the high school diploma has been a simple summary: four years of seat time, a minimum GPA, a checklist of credits. The Mastery Transcript Consortium — a nonprofit founded by over 300 private and public high schools — is trying to replace that with a dynamic, competency-based digital record that shows not just what courses a student passed, but what they can actually do. In this episode, Lucas and Luna drill into how the consortium is building a common framework for 'mastery credits,' why dozens of colleges including MIT and Harvard have signed on as endorsement partners, and the biggest tension: will selective admissions offices actually use this data when evaluating applicants? They also discuss the technology stack — the open-source learning record store that powers the transcript — and one early adopter school that saw its college acceptance rate rise after switching. If you work in edtech, admissions, or credentialing, this is the quiet infrastructure play that might reshape how we define academic achievement.