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

# Glossary

* **Trust Hub:** WorldX’s public verification layer for solvency, custody, execution, listings, and incidents
* **PoR (Proof of Reserves):** Evidence of assets held within declared scope
* **PoL (Proof of Liabilities):** Evidence of balances owed, with privacy-preserving user inclusion verification
* **Proof of Custody:** Custody architecture and control guarantees (without exploit details)
* **Proof of Execution:** Verifiable trade outcomes, fees, and execution metrics
* **Listing Standards:** Criteria and governance rules for listings and delistings
* **Incident History:** Permanent record of incidents, updates, resolutions, corrective actions
* **Distributable Surplus:** Operating remainder after costs, buffers, obligations, taxes
* **Share Credits:** Time-weighted participation units earned through WLDX staking
* **Cooldown**: Restriction period after sensitive security events
* **On Hold:** Balance restricted due to policy trigger