# Collectible Items

{% hint style="info" %}
**ERC20:** Collectible Items are based on the ERC20 standard. For more information, please view the documentation by OpenZeppelin: <https://docs.openzeppelin.com/contracts/4.x/erc20>
{% endhint %}

{% hint style="danger" %}
Collectible Items are non-transferrable; they can only be burned after receiving permission from the user.
{% endhint %}

## Contracts

### Addresses

#### DFK Chain

<table data-full-width="true"><thead><tr><th width="267.3333333333333">Name</th><th>Mainnet</th><th>Testnet</th></tr></thead><tbody><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/birthday-cake.gif" alt="" data-size="line"> DFK 1 Year Birthday Cake (DFKBDAY1)</td><td><code>0x184223A0921B58F5a0ddFD6448d8b2715EcC87a7</code></td><td><code>0x2C5911d6570F4AbbBe4E436e9aC9731C01Cddf7e</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/duel-participation-trophy.png" alt="" data-size="line"> Duel Season 0 Participation Trophy (DFKDS0PT)</td><td><code>0x69B4B9F339F9da27f28f610A395f2dE1F1A24141</code></td><td><code>0xcA99419602F77F8471A642b3be6Bd642c5654F34</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s1-solo-trophy.png" alt="" data-size="line"> Duel Season 1 Participation Trophy - Solo (DFKDS1T1PT)</td><td><code>0x4Aa517d7DAadD2e22d2b6d90F19a7BB01498116b</code></td><td><code>0xDEe87e6bD04a7D60dC9fcb05fE72141bA0f378a0</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s1-squad-trophy.png" alt="" data-size="line"> Duel Season 1 Participation Trophy - Squad (DFKDS1T3PT)</td><td><code>0xeC744dae4d68735d5AEA5FDB766FcE51D9A256a5</code></td><td><code>0x8B977F440Abe740e794E31b354f069B2F6822247</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s1-warr-trophy.png" alt="" data-size="line"> Duel Season 1 Participation Trophy - Warr (DFKDS1T9PT)</td><td><code>0x6EAD9B5d7Ae26c12CC40E393749999CB1707af5f</code></td><td><code>0xcc7968a0A7Dce9eb17Ca5F4DBCA01cb612607307</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s2-solo-trophy.png" alt="" data-size="line"> Duel Season 2 Participation Trophy - Solo (DFKDS2T1PT)</td><td><code>0x694D5bfe9EC280708891B34ef17eA8A0d3a6B1aF</code></td><td><code>0x471ED47e659488Cd7ac2713d3F704BF716d27801</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s2-squad-trophy.png" alt="" data-size="line"> Duel Season 2 Participation Trophy - Squad (DFKDS2T3PT)</td><td><code>0x7532Bbf5ea43cc2B561893dd0f72a6Ac1E03f193</code></td><td><code>0xb543C11ecBc5ac4a80f3F14d918bC5E9235d591e</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s2-warr-trophy.png" alt="" data-size="line"> Duel Season 2 Participation Trophy - Warr (DFKDS2T9PT)</td><td><code>0x9d12adfbF8884D320Bc36393AF661DfFA3E78aB8</code></td><td><code>0x679977dB868A0d0870fd3EC3A640707527655e1D</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s3-solo-trophy.png" alt="" data-size="line"> Duel Season 3 Participation Trophy - Solo (DFKDS3T1PT)</td><td><code>0x6dc8DA6c5dD94F3ACA1dDBd77fe482c0f428AfeF</code></td><td><code>0x0d00f91419c22C2053C6E8A8108A7396f225C305</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s3-squad-trophy.png" alt="" data-size="line"> Duel Season 3 Participation Trophy - Squad (DFKDS3T3PT)</td><td><code>0x5728F8613DB86F741a6aA1f8E3B290586435d276</code></td><td><code>0x8C5c07E5E66DCAe83CF165D73232eE5479045CdF</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s3-warr-trophy.png" alt="" data-size="line"> Duel Season 3 Participation Trophy - Warr (DFKDS3T9PT)</td><td><code>0x6d3b2C9e3B208Cb0f8a20392FdeD04C55c33CE6E</code></td><td><code>0x1451292280E0137a9e916c056390a7fbfe8bDA4E</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s4-solo-trophy.png" alt="" data-size="line"> Duel Season 4 Participation Trophy - Solo (DFKDS4T1PT)</td><td><code>0x0ca8DD915547c1Ba0EbE2a736d10aC079a259c10</code></td><td><code>0xEe63CDa177d8bAD814B069d49F5dD2Cc0274B57F</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s4-squad-trophy.png" alt="" data-size="line"> Duel Season 4 Participation Trophy - Squad (DFKDS4T3PT)</td><td><code>0x2917999397b7c901C31DD20a06C5C1197A66A564</code></td><td><code>0xcB9e3f1Bec5292355304d0A6e5D3F189F617B27A</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s4-warr-trophy.png" alt="" data-size="line"> Duel Season 4 Participation Trophy - Warr (DFKDS4T9PT)</td><td><code>0x4C14cc99Bd8E7B696a0c6383023dcD4c98B70f62</code></td><td><code>0x1495c2d56338aF530c5bb33D7DA67eCb2672953F</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s5-solo-trophy.png" alt="" data-size="line"> Duel Season 5 Participation Trophy - Solo (DFKDS5T1PT)</td><td><code>0x6FCfa7c5F14de887d574895D04034FA179559c77</code></td><td><code>0x89386609EeD3A87a7d9b4F2750bBdf147D446145</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s5-squad-trophy.png" alt="" data-size="line"> Duel Season 5 Participation Trophy - Squad (DFKDS5T3PT)</td><td><code>0x7646e21932C6769cf719d91c674Ad559B9Ef1cBD</code></td><td><code>0x1D8f0463b618C3Ab2ec3C84F0Ae79E83a5E1c529</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s5-warr-trophy.png" alt="" data-size="line"> Duel Season 5 Participation Trophy - Warr (DFKDS5T9PT)</td><td><code>0x758c9EB8927a1d80CA0391c34c45645f3abEc7ad</code></td><td><code>0xE61f1F4fFF8190CC5B028AeC22a12Bef70D1D5Dc</code></td></tr></tbody></table>

#### Klaytn

<table data-full-width="true"><thead><tr><th width="267.3333333333333">Name</th><th>Mainnet</th><th>Testnet</th></tr></thead><tbody><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s2-solo-trophy.png" alt="" data-size="line"> Duel Season 2 Participation Trophy - Solo (DFKDS2T1PT)</td><td><code>0xe52fceF6083e3d2E43D1113FC06caA6bAc9D3db9</code></td><td><code>0x3633F956410163A98D58D2D928B38C64A488654e</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s2-squad-trophy.png" alt="" data-size="line"> Duel Season 2 Participation Trophy - Squad (DFKDS1T3PT)</td><td><code>0xE7d77E157672864B500727551633E4Cc453964A9</code></td><td><code>0x17Fa96ba9d9C29e4B96d29A7e89a4E7B240E3343</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s2-warr-trophy.png" alt="" data-size="line"> Duel Season 2 Participation Trophy - Warr (DFKDS1T9PT)</td><td><code>0x2C9A39E85D4b3900a63B903113DE103FB448e578</code></td><td><code>0x9D71Bb9C781FC2eBdD3d6cb709438e3c71200149</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s3-solo-trophy.png" alt="" data-size="line"> Duel Season 3 Participation Trophy - Solo (DFKDS3T1PT)</td><td><code>0x1090ebCEaDDdA1e4dE6dE05a2C158751016b5a4b</code></td><td><code>0x6b1BA57ec8473C9ab9eeB56A322a4E5c8E51acc6</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s3-squad-trophy.png" alt="" data-size="line"> Duel Season 3 Participation Trophy - Squad (DFKDS3T3PT)</td><td><code>0x9428013ed7CEeeFFe97D3EceE43531781461dbFD</code></td><td><code>0xc4b7Ee47d4F3D53953Bed22556f8eDFE961545b2</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s3-warr-trophy.png" alt="" data-size="line"> Duel Season 3 Participation Trophy - Warr (DFKDS3T9PT)</td><td><code>0x576C7752989Ef12Ed4460E7297Ac78488056f8c6</code></td><td><code>0xae3F9C2cB387EEcA99BD15a7FE4F6950c1b9fc06</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s4-solo-trophy.png" alt="" data-size="line"> Duel Season 4 Participation Trophy - Solo (DFKDS4T1PT)</td><td><code>0x8B165dc793468422cd0C4C414f503bbBcded19Cd</code></td><td><code>0xD775764003781C1Fc75E23d9ED64B61C3e4b4624</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s4-squad-trophy.png" alt="" data-size="line"> Duel Season 4 Participation Trophy - Squad (DFKDS4T3PT)</td><td><code>0x91469f593Ae5C47C953f9132Ed9b322Dd4baF75c</code></td><td><code>0xcb1E597ed34fcf0CB3fA432671257C541c602288</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s4-warr-trophy.png" alt="" data-size="line"> Duel Season 4 Participation Trophy - Warr (DFKDS4T9PT)</td><td><code>0xCA30692b44d113364e6A0C06158194e642910B4D</code></td><td><code>0x4e9e8b824E474512f093068831Fa9545f3c671F7</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s5-solo-trophy.png" alt="" data-size="line"> Duel Season 5 Participation Trophy - Solo (DFKDS5T1PT)</td><td><code>0xAdE8f21d33654444b0A6f01647994682eB69ab4e</code></td><td><code>0x4d171a3F9f156f76fEA7A0c9B8ba0458d58c7F3f</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s5-squad-trophy.png" alt="" data-size="line"> Duel Season 5 Participation Trophy - Squad (DFKDS5T3PT)</td><td><code>0x168cE065510c2494AAE61159B41B0abf70315eCF</code></td><td><code>0x7aE0694252ED341Cf41B18a78Ec51EE5C5f73d15</code></td></tr><tr><td><img src="https://defi-kingdoms.b-cdn.net/art-assets/items/s5-warr-trophy.png" alt="" data-size="line"> Duel Season 5 Participation Trophy - Warr (DFKDS5T9PT)</td><td><code>0x569cA77E2dCa320a6043f1365813cA1c72A5CeaD</code></td><td><code>0x9DEC629bD9C1ccFFDE1621E543afa030B48a8de8</code></td></tr></tbody></table>

### Interfaces

```solidity
interface INonTransferableInventoryItem {

    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 value);
    
    function allowance(address owner, address spender) view returns (uint256);
    function approve(address spender, uint256 amount) returns (bool);
    function balanceOf(address account) view returns (uint256);
    function burn(uint256 amount);
    function burnFrom(address account, uint256 amount);
    function burnable() view returns (bool);
    function decimals() view returns (uint8);
    function decreaseAllowance(address spender, uint256 subtractedValue) returns (bool);
    function increaseAllowance(address spender, uint256 addedValue) returns (bool);
    function name() view returns (string);
    function paused() view returns (bool);
    function symbol() view returns (string);
    function totalSupply() view returns (uint256);
    function transfer(address to, uint256 amount) returns (bool);
    function transferFrom(address from, address to, uint256 amount) returns (bool);
    
}
```

### ABIs

{% file src="<https://2908426948-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlZLlRJsOJCqm10zUsKr6%2Fuploads%2F7090j2L0JNSMRaAbzH8j%2FBirthdayCake1.json?alt=media&token=2f4b357d-5d33-4b64-b852-09b61ca7e073>" %}