Yes, definitely. USPS + Login.gov could act as trust anchors, with cryptographic keys reprovisioned upon proofing, versus storing them. I am open to whatever is the optimal balance between security and practicality.
https://www.uspsoig.gov/document/role-postal-service-identit...
> The Postal Service Reform Act of 2022 has recently expanded the Postal Service’s ability to provide identity verification to all levels of government. A window of opportunity is currently open for USPS to contribute to closing gaps in government identity verification processes.