> For the complete documentation index, see [llms.txt](https://1ton.gitbook.io/1ton/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://1ton.gitbook.io/1ton/smart-contract/bond-nft-design.md).

# Bond NFT design

The Bond NFT is a type of digital asset that represents a creator's future income stream. It is minted through 1Ton Treasury and can be used as collateral to secure loans on 1Ton  Finance's peer-to-peer lending market. The Bond NFT contains metadata that describes the creator's profile, income sources, and bond parameters.

The metadata includes the creator's name, bio, and social media profiles, such as Twitter, Instagram, TikTok, and YouTube. It also includes the creator's income sources, such as BintanGO, YouTube, and on-chain sources like CyberConnect, Lens Protocol, Mirror, NFTs, and others.

In addition, the Bond NFT metadata includes bond parameters such as the platform used to unlock the digital value, ID, duration, and percentage of the income stream that is locked into the bond. The metadata also includes rich content such as the creator's description, external URL, and image.

Lenders on the 1Ton Finance platform can use this metadata to assess the bond's risk and make informed lending decisions.

```tsx
type Metadata = {
  // NFT metadata standards
  name: string;
  description: string;
  external_url: string;
  image: string;
  marketplace: string;
  attributes: NftItemTrait[];
  // Rich contents
  bio: string;
  plan: string;
  // Bond parameters
  platform: string;
  id: string;
  duration: number;
  percentage: number;
  profiles: {
    twitter?: Profile;
    instagram?: Profile;
    tiktok?: Profile;
    youtube?: Profile;
    cyberconnect?: Profile;
    lens?: Profile;
    mirror?: Profile;
  };
  incomes: {
    bintango?: Income;
    youtube?: Income;
    onchain?: Income;  // Includes CyberConnect, Lens Protocol, Mirror, NFTs, etc.
  };
};
```

***


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