The backend verifier registry remains the single source of truth for validation rules and catalog metadata. These docs package the catalog in reader-friendly language.
Start With the Outcome
| If you need to… | Open this family |
|---|---|
| Prove a wallet, domain, org, or social account | Identity and Ownership |
| Unlock access with token, NFT, or contract state | Assets and Access |
| Reduce bots or add risk review | Trust and Risk |
| Register an agent or delegate authority | Agent Verifiers |
How To Read These Verifiers
| Type | What it means | Best when |
|---|---|---|
| Instant | Signed and completed in one request | You want the fastest wallet-based proof |
| Interactive | User finishes a hosted NEUS flow | You need OAuth, human proof, or guided verification |
| Lookup | NEUS checks external or on-chain state | You need a yes or no result from live state |
Verifier Families
Identity and Ownership
Identity and Ownership
Use these when the core question is “who controls this account, wallet, domain, org, or public identity?”
| Verifier | Type | Best for |
|---|---|---|
| ownership-basic | Instant | Simple wallet ownership and signed claims |
| ownership-social | Interactive | Social account verification |
| ownership-dns-txt | Lookup | Domain ownership |
| ownership-org-oauth | Interactive | Team or org membership |
| ownership-pseudonym | Instant | Pseudonymous identity binding |
| wallet-link | Instant | Bind one wallet identity to another |
Assets and Access
Assets and Access
Use these when access depends on something the user holds or controls on-chain.
| Verifier | Type | Best for |
|---|---|---|
| nft-ownership | Lookup | NFT-gated products, drops, and communities |
| token-holding | Lookup | Token-balance thresholds |
| contract-ownership | Lookup | Smart contract admin or creator control |
Trust and Risk
Trust and Risk
Use these when you need stronger abuse resistance, human checks, or content risk signals.
| Verifier | Type | Best for |
|---|---|---|
| proof-of-human | Interactive | Anti-bot and sybil resistance |
| wallet-risk | Lookup | Risk checks before access or payouts |
| ai-content-moderation | Lookup | AI or UGC moderation workflows |
Agent Verifiers
Agent Verifiers
Use these when agents need identity, delegated authority, and a reusable proof trail.
| Verifier | Type | Best for |
|---|---|---|
| agent-identity | Instant | Register a verifiable agent identity |
| agent-delegation | Instant | Scope what an agent may do |
Recommended Bundles
| Bundle | Verifiers | Use case |
|---|---|---|
| AI trust receipt | ownership-basic + ai-content-moderation + proof-of-human | AI content plus human trust signal |
| Verifiable agents | agent-identity + agent-delegation + wallet-risk | Agents with scoped authority |
| Community gating | nft-ownership or token-holding + proof-of-human | Protected communities and drop access |
| Org onboarding | ownership-org-oauth + ownership-dns-txt + contract-ownership | Team and domain verification |