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

# Whitepaper

The whitepaper is the design document of the T-REX protocol. It states the problem the protocol addresses, the model it adopts and the reasoning behind each choice.

> **Placeholder.** The whitepaper is not available on this page at this time.
>
> `[[TBC: link to the whitepaper]]`

### What it covers

| Part                       | Subject                                                                        |
| -------------------------- | ------------------------------------------------------------------------------ |
| The primary register       | The register of an asset as an on-chain record of ownership by identity        |
| Identity                   | ONCHAINID, claims, Claim Issuers and trust                                     |
| Eligibility and compliance | The two gates of a movement, and the rules of an asset as modules              |
| Cross-chain distribution   | The reference chain, satellites, authorization before execution and settlement |
| Trust and security         | Who is trusted for what, and how the protocol behaves in an emergency          |

### How it relates to these docs

The whitepaper explains why the protocol is designed this way. These docs describe how the contracts work, operation by operation and function by function. Where the two differ in detail, the docs follow the code.

| To read about                            | Start with                                                          |
| ---------------------------------------- | ------------------------------------------------------------------- |
| The architecture on one page             | [Protocol at a glance](/start-here/protocol-at-a-glance.md)         |
| The standards the protocol is built from | [Standards foundation](/start-here/standards-foundation.md)         |
| The trust model                          | [Trust assumptions](/security-and-trust-model/trust-assumptions.md) |


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