A Cryptographic Technique for Authentication and Validation of Forensic Account Audit Using SHA256

Fraudulent activities continue to pervade accounting records in many organizations. Though it is difficult task to curtail this crime, there are measures proposed to detect the perpetrators and in some cases prevent unauthorized activities in financial records. Our work proposes the use of cryptographic scheme to ensure that only authorized and valid records are added to the existing block of records which are tagged with timestamps. This has been achieved through the application of blockchain technology. Our approach uses sha256 algorithm for hashing accounting records thereby securing records the sample records which cannot not be altered easily. Moreover any attempt to alter any record would require all computing nodes to update the previously added records to the chain. Due to the structure of the block which disallows any data manipulation, our system proved efficient to maintaining the integrity of the forensic account records efficiently.