# DumpEX v0

{% tabs %}
{% tab title="Ethereum" %}

## Overview

DumpEX is a peer-to-pool decentralised exchange (DEX) that allows anyone to

* Sell NFTs and tokens to the pool for exactly 10^(-18) ETH
* Buy NFTs and tokens from the pool according to a price determined by a Dutch auction

### Auction pricing

NFTs are priced as follows:

* The starting price is 100 ETH
* The price of the NFT decreases by 0.0001 ETH every second until it reaches 0
* If another NFT from the same collection is sold to DumpEX, the price resets back to 100 ETH

Tokens are priced as follows:

* The starting price is 1 ETH per token
* The price of the token decreases by 0.0001 ETH every second until it reaches 0
* Example: If the current price is 0.05 ETH per token, and the token has 6 decimals, buying 3 tokens would cost 150k ETH
* If another token of the same type is sold to DumpEX, the price resets back to 1 ETH
  {% endtab %}

{% tab title="Avalanche" %}

## Overview

DumpEX is a peer-to-pool decentralised exchange (DEX) that allows anyone to

* Sell NFTs and tokens to the pool for exactly 10^(-18) AVAX
* Buy NFTs and tokens from the pool according to a price determined by a Dutch auction

### Auction pricing

NFTs are priced as follows:

* The starting price is 100 AVAX
* The price of the NFT decreases by 0.0001 AVAX every second until it reaches 0
* If another NFT from the same collection is sold to DumpEX, the price resets back to 100 AVAX

Tokens are priced as follows:

* The starting price is 1 AVAX per token
* The price of the token decreases by 0.0001 AVAX every second until it reaches 0
* Example: If the current price is 0.05 AVAXH per token, and the token has 6 decimals, buying 3 tokens would cost 150k AVAX
* If another token of the same type is sold to DumpEX, the price resets back to 1 AVAX
  {% endtab %}

{% tab title="Binance Smart Chain" %}

## Overview

DumpEX is a peer-to-pool decentralised exchange (DEX) that allows anyone to

* Sell NFTs and tokens to the pool for exactly 10^(-18) BNB
* Buy NFTs and tokens from the pool according to a price determined by a Dutch auction

### Auction pricing

NFTs are priced as follows:

* The starting price is 100 BNB
* The price of the NFT decreases by 0.0001 BNB every second until it reaches 0
* If another NFT from the same collection is sold to DumpEX, the price resets back to 100 BNB

Tokens are priced as follows:

* The starting price is 1 BNB per token
* The price of the token decreases by 0.0001 BNB every second until it reaches 0
* Example: If the current price is 0.05 BNB per token, and the token has 6 decimals, buying 3 tokens would cost 150k BNB
* If another token of the same type is sold to DumpEX, the price resets back to 1 BNB
  {% endtab %}

{% tab title="Fantom" %}

## Overview

DumpEX is a peer-to-pool decentralised exchange (DEX) that allows anyone to

* Sell NFTs and tokens to the pool for exactly 10^(-18) FTM
* Buy NFTs and tokens from the pool according to a price determined by a Dutch auction

### Auction pricing

NFTs are priced as follows:

* The starting price is 100 FTM
* The price of the NFT decreases by 0.0001 FTM every second until it reaches 0
* If another NFT from the same collection is sold to DumpEX, the price resets back to 100 FTM

Tokens are priced as follows:

* The starting price is 1 FTM per token
* The price of the token decreases by 0.0001 FTM every second until it reaches 0
* Example: If the current price is 0.05 FTM per token, and the token has 6 decimals, buying 3 tokens would cost 150k FTM
* If another token of the same type is sold to DumpEX, the price resets back to 1 FTM
  {% endtab %}
  {% endtabs %}

## Contract Addresses

<table><thead><tr><th width="159.66666666666669">Chain</th><th>Address</th><th>Block explorer</th></tr></thead><tbody><tr><td>Avalanche C-Chain</td><td>0xFFadfa2855513f353B10cbbaAd23c7d8DBa5a068</td><td><a href="https://avascan.info/blockchain/c/address/0xFFadfa2855513f353B10cbbaAd23c7d8DBa5a068/contract">Avascan</a></td></tr><tr><td>Blast Sepolia</td><td>0x2D5C58B87821Eb53856A25705314f1f29DE44402</td><td><a href="https://testnet.blastscan.io/address/0x2D5C58B87821Eb53856A25705314f1f29DE44402/contract/168587773/writeContract">Blastscan</a></td></tr><tr><td>BSC Mainnet</td><td>0x404df8bc73d3632338c4e43c4971bf469a849d79</td><td><a href="https://bscscan.com/address/0x404df8bc73d3632338c4e43c4971bf469a849d79#writeContract">BscScan</a></td></tr><tr><td>BSC Testnet</td><td>0xffadfa2855513f353b10cbbaad23c7d8dba5a068</td><td><a href="https://testnet.bscscan.com/address/0xffadfa2855513f353b10cbbaad23c7d8dba5a068#writeContract">BscScan</a></td></tr><tr><td>Ethereum Mainnet</td><td>0x3e85b944d6388a95e366f3f8435affcfc79a3bda</td><td><a href="https://etherscan.io/address/0x3e85b944d6388a95e366f3f8435affcfc79a3bda#writeContract">Etherscan</a></td></tr><tr><td>Ethereum Sepolia</td><td>0x404df8Bc73d3632338c4E43c4971BF469a849D79</td><td><a href="https://sepolia.etherscan.io/address/0x404df8bc73d3632338c4e43c4971bf469a849d79#writeContract">Etherscan</a></td></tr><tr><td>Fantom Mainnet</td><td>0x404df8bc73d3632338c4e43c4971bf469a849d79</td><td><a href="https://ftmscan.com/address/0x404df8bc73d3632338c4e43c4971bf469a849d79#code">FTMScan</a></td></tr></tbody></table>
