Thread by @AirdropsFinder_

@zksync x @LayerZero_Labs CrossChain transaction

📣Today we gonna complete Crosschain transaction from Zksync to Layerzero.

👀👀 Remember: Crosschain transaction may play important role in airdrop allocation

📜Here is the full thread:

#Layerzero #zkSync #Airdrop

First, you'll want to make sure you have added zksync era RPC in your metamask wallet and bridge some ETH over (around 5$-10$). You can do that at the official bridge here: portal.zksync.io/bridge.

1️⃣ After doing so, you can view the contract here: explorer.zksync.io/address/0x8FEd…

▪️ This is zkSync's block explorer (similar to Etherscan).

Go to the "write" tab, click on mint, and enter a quantity <= 10.

▪️Click "write" and confirm in your wallet.

▪️It'll take a couple seconds to confirm, but that's all there is to it. You've now made a transaction on zkSync's mainnet.

👍Done, First task is completed, Now move to second task.

2️⃣ Here's the zksync contract we'll be minting from: explorer.zksync.io/address/0x31DC…

Go to Contract " Write" section and Connect your Metamask wallet.
Scroll down to the "mint" box (number 5). Click mint and approve Tx. in wallet, now wait for the txn to confirm.

To get the id of the NFT you just minted, click into the transaction hash and click on the "Logs" box. The second log here will display the token id you minted.

3️⃣ Once you've minted your NFT and gotten the tokenId, you can transport it to either ETH mainnet or Polygon (using LayerZero).

▪️ Go to the "crossChain" box and fill it out as below. The left image is the config for ETH mainnet or the right is for Polygon (low fees).

◾Fill in the same info showing above on image, First image is for Zksync to Eth mainnet & second image is for Polygon crosschain transfer

▪️Click "write" and approve transaction in wallet, now wait about 5-7 minutes. You'll receive your nft on your eth Mainnet or polygon wallet

4️⃣To see that your NFT was transported, go to either the mainnet contract or Polygon contract (depending on what you did above):

▪️ETH mainnet : etherscan.io/address/0xD22C…

▪️Polygon: polygonscan.com/address/0x3b48…

Once here, you can find the "ownerOf" box and type in the token id that you minted from zksync. You should see something like this:

Congrats, you've now minted an NFT on zksync and transported it to ETH mainnet (or Polygon) using LayerZero. Under the hood, we burned the token on zksync and minted it on the destination chain which makes it seem like it transported.

The reverse operation works for mainnet and Polygon. If you want to mint the NFTs on these chains and send them back to zksync you can do so as well. The dstChainId for zksync is 165, and you'll probably want a payableAmount of 0.002 ETH for mainnet, or ~5.9 MATIC for Polygon.

👏Here is the thread comes to an end.

You can also check our pinned post for @LayerZero_Labs Airdrop guide.

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