# Surfaces

Verona is one **network** with multiple **surfaces**—interfaces where humans, enterprises, agents, and developers interact with verified intelligence. Each surface is a door into the same Truth Engine, not a separate product stack.

Phase 1 documentation covers surfaces that are **live or have clear integration paths today**.

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Ero (EarnOS)</strong></td><td>Live consumer proof—verified participation and user-owned data. People earn for what they already do online without exposing raw records.</td><td><a href="/pages/wjqvUzmEBMQqLBZEtyMi">/pages/wjqvUzmEBMQqLBZEtyMi</a></td></tr><tr><td><strong>Burnt Verified</strong></td><td>Enterprise proof—income, employment, and credentials verified at the source. Non-custodial; no document storage.</td><td><a href="/pages/fxmmOjlaWet8p0L9Hj83">/pages/fxmmOjlaWet8p0L9Hj83</a></td></tr></tbody></table>

**Verify once · Reuse everywhere · Expose nothing** applies across every surface: a fact proven once on the network can be reused by any service or agent the user authorizes.

Each surface builds on primitives documented under [Truth Engine](/verona/about-verona/verification-infrastructure.md) and [Build on Verona](/verona/build-on-verona/overview.md). Integration guides expand as product APIs stabilize.


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