# How to Win Poly Network AirDrop

By [Chris](https://paragraph.com/@chris-7) · 2022-08-22

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1\. Select network and token.
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*   Polygon
    
*   11.2 MATIC(>$10)
    
*   0.000001USDC
    
*   cross-chain contract:
    
    0xa9472da7e5f349a59c074e059ef0ab504735dfa2
    
*   USDC contract:
    
    0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174
    

2.Approve
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> eg:
> 
> [https://polygonscan.com/tx/0x07545481cc2d5a2aec92d6bcc5228f5aec2a6e8428e2add07d870f3d56dca842](https://polygonscan.com/tx/0x07545481cc2d5a2aec92d6bcc5228f5aec2a6e8428e2add07d870f3d56dca842)

![approve 0.00001USDC](https://storage.googleapis.com/papyrus_images/a31ad8d5cff62d9cc129db488545674e890363be9f09da0fd00ce4d58a39d9f6.jpg)

approve 0.00001USDC

*   USDC token address
    
    0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174
    
*   approve data
    
    0x095ea7b3000000000000000000000000a9472da7e5f349a59c074e059ef0ab504735dfa20000000000000000000000000000000000000000000000000000000000000064
    

3.Cross-chain
-------------

> **_note_**
> 
> **_after approve success_**
> 
> eg:
> 
> [https://polygonscan.com/tx/0x8ec88daf1516e729c45bde7c30db5c9dc5e4bec912ecff1efeff324349ee9934](https://polygonscan.com/tx/0x8ec88daf1516e729c45bde7c30db5c9dc5e4bec912ecff1efeff324349ee9934)

(1).[write contract](https://polygonscan.com/address/0xa9472da7e5f349a59c074e059ef0ab504735dfa2#writeContract)

(2).fill in contract parameters

![use 11.15 MATIC cross-chain 0.000001 USDC from polygon to celo](https://storage.googleapis.com/papyrus_images/3c9444cba281c1c2e598fe365379bf01f43893193ff8e41a73829c8d4849e8b5.jpg)

use 11.15 MATIC cross-chain 0.000001 USDC from polygon to celo

*   swapAndBridgeOut:
    
    11.15
    
*   poolAddress (address):
    
    0x446eb3aC5e6267931eD1198203B12CAfcd2E6240
    
*   tokenFrom (address):
    
    0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174
    
*   tokenTo (address):
    
    0x86e28CE4a17B28dFB03830e6542c143d437c2456
    
*   dx (uint256):
    
    1
    
*   minDy (uint256):
    
    0
    
*   deadline (uint256):
    
    9999999999
    
*   toChainId (uint64):
    
    36
    
*   toAddress (bytes):
    
    > **_your address_**
    
*   callData (bytes):
    
    0x0000000000000000000000000000000000000000
    

> **_note_**
> 
> **_The more MATIC, the higher the ranking._**

(3).click write and send transaction

4.Check the ranking
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[https://bridge.poly.network/airdrop](https://bridge.poly.network/airdrop)

![I will win 1 NFT](https://storage.googleapis.com/papyrus_images/5e14efb0f7b74d521dc55be0c212773a7819fdb712cb624a275f78e3df7a91ac.jpg)

I will win 1 NFT

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*Originally published on [Chris](https://paragraph.com/@chris-7/how-to-win-poly-network-airdrop)*