# Introduction

## Key Features

The protocol goes beyond ERC-20 token PMM RFQ and enables, among others, ERC721 NFT peer-to-peer, RFQ, and OTC trading. 

* **Top gas efficiency:** Velora's AugustusRFQ offer the most gas-efficient transactions in the market. 
* **Greater flexibility for users:** the protocol allows not only token-to-token trade but also token-to-NFT, multiple token-to-NFT trading, and NFT-to-NFT swap. Moreover, it allows users to buy & sell ERC721 in the token of their choosing, independently of the other party’s token choice.<br>

### Supported chains and tokens

**Chains**

* Ethereum
* Arbitrum
* Avalanche
* BSC
* Optimism
* Polygon

**Tokens**

* ERC-20
* ERC721
* ERC1155


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