Potential Eliigibility criteria for Zksync:-

Zksync Mainnet 1.0 Bridge user (Zksync Lite)

Early bridge user

Repeat bridge user

Volume count

Number of nonce (txns)

ZksyncUNI testnet 1.0 user (closed on Dec 2021)

Donation to gitcoin using Zksync (closed)

Gitcoin donation on mainnet ETH

NFT mint/account activation

Multiple transactions

Unique days

Tevaera metaverse game player (Mainnet)

Zigzag Dex users (Mainnet)

Zksync 2.0 (Era) Testnet user