# Trade System

### 1 Marketplace

User can buy and sell NFT art works on HeartX Marketplace. 

All NFT price will be in ETH.

**Contract Address (zkSync)**: [0x035942696B2d2D22EaAF0B226cc79e14597F5569](https://explorer.zksync.io/address/0x035942696B2d2D22EaAF0B226cc79e14597F5569)

### 2 Tax & Fee

| In-app activity | Trade Fee | Royalty |
| --------------- | --------- | ------- |
| 1st sale        | 10%       | 0%      |
| 2nd sales       | 10%       | 10%     |