Enhanced Block Chain Financial Transaction Security Using Chain Link Smart Agreement based Secure Elliptic Curve Cryptography

Abstract

Blockchain technology to offer transparency and Security within financial management in the banking industry. By building a financial data information collection, information exchange, and information security information Agreement mechanism to improve the efficiency of the existing financial control system, a more effective financial control mechanism can therefore be introduced, and through it, significantly drive down the cost of financial data, the audit cycle, and enhance the Security of information. The current problems of data security, inefficiency of low information, accelerated transactions, and the cost and exchange rate of information under traditional financial control systems, which are supposed to guarantee data integrity. The proposed method, Chain Link Smart Agreement based on Secure Elliptic Curve Cryptography (CLSA-SEC2), aims to generate a secure authentication key for data encryption and decryption. The initial step is Primary Key Node Generation (PKNG) for User Identity Verification, which transfers secure financial data into blocks.A decentralized blockchain divides each block of data into blocks stored at different locations. In chain-link aggregation to produce a unique key to each block series sequence, to ensure the process of communication and Transaction is secure under a decentralized block chain. And it validates the user transaction based on the Access Block Sequence Rate (ABSR) in data access. Build blocks are controlled by a key that is verified from the controller node. A Sequential Searchable Attribute Key (S2AK) is used to simplify the calculation of the user authentication phase’s cost. Lastly, its security analysis demonstrates that a decentralized block chain network will render the traditional system of centralised audit systems obsolete, providing digitally sealed and verified results of certification and enhancing financial transparency and Security.