本智能合約的目的是設計和實現一個基於區塊鏈技術的房租租賃協議。通過使用智能合約，我們可以自動化租賃協議的管理，包括租金和水電費的支付、保證金的管理、租賃維修請求的處理以及租約的終止等功能。這將有助於降低租賃協議管理的成本，提高透明度和效率，並保障雙方的權益。
The purpose of this smart contract is to design and implement a blockchain-based rental lease agreement. By utilizing smart contracts, we can automate the management of rental agreements, including payment of rent and utilities, management of deposits, handling of maintenance requests, and termination of leases. This will help reduce the costs associated with lease management, enhance transparency and efficiency, and protect the interests of both parties.