Summary content It's basically in line with the old critic's prediction for the Odyssey.

1) For the specific start time, pay more attention to Twitter @arbitrum_cn;

2) There is no amount limit for cross-chain weeks;

**3) **Cross-chain week hidden NFT is opened on the bridge with the highest cross-connection amount;

**4) **Multichain is free during the cross-chain week;

5) A testnet trading competition will be held during the Aboard Exchange event, and the winner will be 1500u, and there will be a certain amount of money to interact on time;

6) Izumi/Yin Finance will be subsidized for participating in liquidity mining, and snapshot airdrops will be given;

7) The tasks you did before will not count, you have to start over

8) The NFT obtained by ** is freely traded, and Arb does not limit it;

9) If you miss it, you cannot make it up;

10) Remember to use RPC