According to Foresight News, Sui liquidity protocol DeepBook has launched its V3 testnet, introducing significant improvements and new features. The updated version reduces transaction gas costs by 60%, allowing market makers and traders to share liquidity between pools more efficiently. Additionally, the V3 testnet introduces the DEEP token, which provides users with fee discounts, market maker incentives, and governance capabilities. The testnet will run for two weeks, offering incentives to participating users.