Guidance on 800-63-3
NIST response to IAWG concerns on 800-63-3 interpretation issues:
For background and meetings with NIST, please see Feedback to NIST 2019 and follow up process
NIST Conformance Criteria and Implementation resources: https://www.nist.gov/topics/identity-access-management/nist-special-publication-800-63-digital-identity-guidelines
NIST FAQ: https://pages.nist.gov/800-63-FAQ/