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

# Overlayer

Non-chain protocol that allows you to send tokens and pay transaction fees with them

{% hint style="warning" %}
Overlayer v1.1-Beta
{% endhint %}

## Future

* [x] Solana (Available [**Assets**](/boxch/other/assets.md))
* [ ] Arbitrum
* [ ] Tron

## How it works

When the user clicks to send tokens: 

1\. Boxch sends a request to Overlayer. 

2\. Overlayer creates a transaction with the parameters that Boxch sends, signs it and sends it back. 

3\. Boxch sends the transaction to the blockchain.

## Fee

Overlayer charges a fee of about $0.01