The significance of blockchain technology in finance lies in its ability to enhance security, transparency, and efficiency in transactions. By using a decentralized ledger, it mitigates risks such as fraud and manipulation while facilitating real-time tracking of assets. Blockchain also reduces transaction costs and increases trust between parties such as banks and customers. Additionally, it has enabled innovations like smart contracts, which automate and enforce agreements, further streamlining processes. Overall, blockchain is revolutionizing the financial landscape by creating more secure and efficient systems.