---
title: "Release Note: T-REX Platform 1.31"
url: "https://d9awyx7m9zmryg2.productfruits.help/en/article/release-note-t-rex-platform-131"
language: "en"
last_updated: "2024-11-14T10:54:35.466Z"
---

# Release Note: T-REX Platform 1.31

22/02/2024

-   **TREX v4 compatibility**: tokens deployed through the Factory will be [TREX version 4](https://tokeny.com/erc3643-whitepaper/). The last version of the fully audited, ethereum validated, [ERC3643 protocol](https://www.erc3643.org/).
-   **Security**: If an investor with a self-managed wallet has been qualified through a CSV import, the first time he will log in a proof of ownership of the wallet will be required, i.e. signing a transaction.