What building cross-service RBAC taught me about the difference between a fast check and a correct one
VaultPay is a wallet microservice I built on top of AuthShield.
Previous parts:
Part 1 is here: I Built AuthShield and Immediately Knew It Wasn't Enough
Part 2 is here: The Silent Failure I Never Saw Coming: What VaultPay Taught Me About Consistency Under Failure






