Gotas is a representative payment-oriented project within EcoCity, and payments are among the least suitable use cases for sharing rollup blockspace.\n\nThe core requirements of a payment system are not peak throughput, but fee predictability, execution finality, and long-term system stability. These are precisely the properties that are hardest to guarantee in a shared environment.\n\nIn a shared rollup, payment transactions must compete for blockspace with DeFi, NFTs, and other highly volatile applications. Even if fees remain low most of the time, a single episode of sudden congestion is en