The tradeable LEO token (Arbitrum native) is the base version used for trading on LeoDex.io. Its contract address is 0x00263920Ece9cf7B4FCB7BA12DD820f747f0e67f (POL Vault for buybacks, but LEO itself trades via pools like Maya Protocol).
For staking (sLEO), the new contract is 0xab3657d48d4bcaaa4bb3cd24a3d0dfccd70ede5c (old: 0x57d56a3e8056ea557df1c369759993bb1d4cab99). Verify on Arbiscan.