SD-201 · Trust tier guide

Identity proofing guide

What T1, T2, and T3 mean in plain English, what data is checked, why it matters, and what unlocks next.

T1FoundationalBasic verified identity posture
T2Stronger proofMore complete, reviewable personal proof
T3Highest trustRicher proofing plus safer account controls
UnlocksProgressiveBetter trust signals and relationship confidence

What is checked

TierTypical checksWhy it mattersWhat unlocks next
T1Email, account basics, certificate eligibilityEstablishes a real starting identityCertificate and baseline trust
T2More complete personal details and stronger account signalsImproves confidence for trusted relationshipsHigher-confidence operator and bond flows
T3Strong proofing plus hardened account recovery postureSupports the most sensitive trust pathsTop-tier trust signaling for connected accounts