Expert Tier

Definition

The fourth trust tier, indicating deep, extensively verified expertise. Expert-tier users have a large body of peer evidence demonstrating advanced competence in their skills.

Why it matters

Expert tier signals that someone is not just competent but deeply skilled, with extensive evidence backing their claims. Their endorsements carry significant weight in the verification ecosystem.

How Lemma uses this

Expert-tier users on Lemma have completed many sessions with consistently strong evidence. Their endorsements contribute more to others' SCI scores, creating a quality signal cascade.

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