# Use Cases

Verona combines the [Truth Engine](/verona/about-verona/verification-infrastructure.md) and [Generalized Abstraction](/verona/about-verona/generalized-abstraction.md) so apps and agents can act on **verified once, reused everywhere** facts—without collecting or storing sensitive source data.

The patterns below map to the four audiences on [What is Verona?](/verona/about-verona/overview.md). For integration detail, see [Build on Verona — Verification](/verona/build-on-verona/verification.md) and [Surfaces](/verona/about-verona/surfaces.md).

## Humans

| Pattern                    | What becomes possible                                                                                                                                   |
| -------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Verified participation** | Users prove everyday activity and earn from what they already do—raw records stay private. See [Ero (EarnOS)](/verona/about-verona/surfaces/earnos.md). |
| **Portable reputation**    | Prove a loyalty tier, rating, or account standing from one platform to another without the source app's cooperation.                                    |
| **Controlled sharing**     | Disclose only the attribute an app needs (for example "premium subscriber") while keeping underlying data private.                                      |

## Enterprises

| Pattern                         | What becomes possible                                                                                                                                                         |
| ------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Income and employment**       | Cryptographic proof from payroll or HR sources in seconds—no document uploads, no custodial liability. See [Burnt Verified](/verona/about-verona/surfaces/burnt-verified.md). |
| **Verified acquisition**        | Target offers to users who cryptographically prove competitor loyalty or spend tiers—without invasive tracking.                                                               |
| **Compliance and underwriting** | KYC/KYB, insurance, and lending workflows on scoped proofs instead of document archives.                                                                                      |

## Agents

| Pattern                    | What becomes possible                                                                                                                                                                                            |
| -------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Authorized context**     | Agents read attestations bound to a [Meta Account](/verona/about-verona/generalized-abstraction/meta-accounts.md)—income range, identity attributes, account standing—instead of scraped or self-reported input. |
| **Action without custody** | Refills, travel check-in, loan steps, and similar flows run on proofs the user already verified; the agent never holds bank statements or passports.                                                             |

See [For AI Agents](/verona/about-verona/ai-agents.md) for toolkit setup.

## Developers

| Pattern                         | What becomes possible                                                                                                                                                                               |
| ------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Proof → action → settlement** | Read an attestation, trigger app or agent logic, settle on chain in one flow—with [Treasury](/verona/build-on-verona/accounts/getting-started/treasury-contracts.md) gas sponsorship for end users. |
| **Composable verification**     | Combine zkTLS, zkEmail, zkPassport, and app attestations into multi-factor gates for access, pricing, or rewards.                                                                                   |
| **On-chain policy**             | CosmWasm contracts query attestations before executing transfers, governance, or game outcomes.                                                                                                     |


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