ZK airdrops NFT to 10,000 addresses. If you have many wallets, you can check them in batches. Currently, each one is 100U.

Access batch tools (no authorization required, no need to connect to wallet)

https://cointool.app/batchCheckBalance/zksync-era

nft token contract address:

0xD07180c423F9B8CF84012aA28cC174F3c433EE29

If the ZK balance is shown to be 1, then there is.