> For the complete documentation index, see [llms.txt](https://docs.onchain.money/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.onchain.money/readme.md).

# Welcome to ONCHAIN® Docs

*ONCHAIN®* introduces a new access layer for the internet of value — making on-chain assets instantly reachable from any interface, without custody, without bridges, and without platform gatekeeping.

These docs cover the complete ONCHAIN® ecosystem:

* [**Why access is broken**](/getting-started/solving-the-access-problem.md)
* [**Universal Access Schema (UAS)**](/getting-started/universal-access-schema-uas.md) **→ A simple, open addressing layer**
* [**Smart Guardrails**](/getting-started/smart-guardrails.md) **→ Verified, safe, native assets**
* [**OPN**](/getting-started/the-onchain-r-protocol-network-opn.md) **→ Deterministic on-chain execution**
* [**Gateway**](/getting-started/gateway-verification-and-intent-layer.md) **→ Verification + Intent broadcasting**
* [**Marketplace**](/getting-started/onchain.money-marketplace.md) **→ The onchain.money interface**
* [**Chain Integration**](/getting-started/chain-integration-program.md) **→ How new networks join**
* [**Builders**](/getting-started/integrating-uas.md) **→ How to embed ONCHAIN® anywhere**