2023.5.31

(1) Play the game to get Penguin White: https://zkpenguin.xyz

(2) zk quest supplement: https://app.questn.com/landingpage/zkSync

(3) zkBridge Loyalty Program: https://galxe.com/polyhedra/campaign/GCussUEegu

(4) Ctrip NFT project started: https://trekki.io/en