How does Starknet make money?

Could you elaborate on how Starknet generates revenue? I'm particularly interested in understanding the financial mechanisms it employs to sustain its operations. Could you please explain in a concise manner the primary sources of income for Starknet and how these contribute to its overall profitability? I'm also curious to know if there are any unique or innovative ways in which Starknet monetizes its services or products that are distinct from other platforms in the cryptocurrency and finance space.