> ## Documentation Index
> Fetch the complete documentation index at: https://docs.trustblock.run/llms.txt
> Use this file to discover all available pages before exploring further.

# Alpha v0.4.0

> Changelog for Trustblock v0.4.0

### 🚀 General Big News

We now support four additional chains: Arbitrum, Optimism, Fantom & ZkSync.
Platforms can now finally onboard and start using labels & API.

### 🌟 Main Features

#### Chain support

* We're proud to support four additional chains
* Trustblock is now compatible with:
  * Ethereum
  * Polygon
  * Bnb
  * Avalanche
  * ZkSync
  * Arbitrum
  * Optimism
  * Fantom
* We support metrics for every chain except for ZkSync, where, unfortunately, we could not find a reliable data source

#### Platform onboarding

One of our most important milestones has finally been reached. As of today, platforms can finally onboard and start using labels & API to enhance web3's security and user-friendliness. For now, we only work with close partners to test things out.

### 🐛 Bug Fixes

* Fixed an issue causing emails not to be properly sent
* Fixed a bug where telegram fields were not properly saved
* Fixed a bug happening on the publish audit interface
* Added a new authentication flow

### 📦 Miscellaneous

* Added logs to better apprehend future bugs
* Improved total transactions secured count
* Shifted from our heavy reliance on EVM address in favor of slugs to be less EVM dependant
* Improved performances X2
* Added widget playground pages


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