BLOCKCHAIN BASED CERTIFICATE VALIDATION

Abstract

In this project, we are converting all certificates into digital signatures in order to secure academic 
certificates, for accurate management, and to prevent certificate forgery. These digital signatures will be 
stored in a blockchain server because this blockchain server supports tamper-proof data storage, 
meaning no one can hack or alter its data. If by chance, if its data alter, verification will fail at the next 
block storage, and the user may be informed about the data alter. Similar transaction data is saved 
across many servers in blockchain technology with hash code verification. If data is altered on one 
server, it will be discovered on the other server since the hash code will change. For instance, in 
Blockchain technology, data is stored across multiple servers. If malicious users change data at one 
server, the hash code will change there while remaining unchanged on the other servers. This changed 
hash code will be discovered during verification, preventing further malicious user changes. Each piece 
of data in a blockchain is saved by comparing it to older hash codes; if the older hash codes are 
unmodified, the data is regarded as original and unaltered, and a new block of transaction data is added 
to the blockchain. Every new block of data storage will have its hash code validated.