Blockchain technology provides significant benefits to financial transactions by improving security and reducing costs. Decentralization and transparency make the system less vulnerable to hacking and fraud. Transactions are validated and confirmed by multiple nodes, which eliminates the need for intermediaries and lowers costs. Immutability ensures that once a transaction is recorded, it cannot be altered or deleted, which maintains data integrity and prevents unauthorized changes. Overall, blockchain technology improves the security and efficiency of financial transactions while reducing costs, making it a valuable tool for the financial industry.