# Introduction

## Overview

This document explains current functions of the core functions of the NFT Chain.

## Core features

* Manage dynamic metadata of NFT on the chain <mark style="color:yellow;">while NFT itself is still on the origin chain( Ethereum, Klaytn, or any EVM)</mark>
* Designable business rules on each activity which is used to update attributes maintained on the chain
* Generated base URI representing all attributes in metadata from both origin chain and NFT chain as marketplace-standard format
* EVM Compatible, users can still use Metamask or any EVM wallet as long as they can still sign a message with their account.