> For the complete documentation index, see [llms.txt](https://adotmarketplace.gitbook.io/adot-and-crown-token-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://adotmarketplace.gitbook.io/adot-and-crown-token-doc/whitepaper/3.-adot-marketplace/key-features/marketplace-features.md).

# Marketplace Features

## Layer 1 & 2 Bridges 

<figure><img src="/files/Ew2xVOuUIxpHS2m9yixT" alt=""><figcaption><p>Lower Transaction Fees</p></figcaption></figure>

## ERC-721, ERC-1155, ERC-6551 Minting NFT Collections&#x20;

<figure><img src="/files/MY4VirLPOKCKDLmhyzL7" alt=""><figcaption><p>Both L1 &#x26; L2 Capabilities</p></figcaption></figure>

## ERC-6551

<figure><img src="/files/ytVBZAeJlrZovFFlCzuj" alt=""><figcaption><p>The upcoming NFT wallet or backpack (ERC-6551) can carry both NFTs (ERC-721 &#x26; ERC-1155) and ERC-20 (token).</p></figcaption></figure>

## Spot Trading / Make Offer / Auction

<figure><img src="/files/Bai5NVojaEChBRLcxRD1" alt=""><figcaption></figcaption></figure>

## Video / Audio NFTs

<figure><img src="/files/8EBK405fFckBOxuHD7P7" alt=""><figcaption></figcaption></figure>

## Notification

<figure><img src="/files/yDeuxsKM1wMAObmhNq2P" alt=""><figcaption><p>The notification system ensures users are promptly informed about offers and auctions at all times.</p></figcaption></figure>