zks0 basics, airdrop tutorial for beginners; the money account is registered by individuals and does not represent the official position. Start from 0 and record how much return 50u can get? 500? 1000? Or still? Official cross-chain bridge: https://bridge.zksync.io/ Spaceship cross-chain bridge: https://www.orbiter.finance/?source=Arbitrum&dest=Ethereum Lending agreement: https://app.eralend.com/