Abstract
Data is the key to measuring educational effectiveness promptly. But data and education are trapped and siloed across centralized systems, causing information discrepancies and inaccuracies. This has caused countless delayed opportunities, academic credential disagreements, and never-ending confusion around learning potency. This lack of transparency, despite having its fair share of usefulness, has also been quite burdensome. To alleviate this issue, our team has developed a blockchain protocol that verifies professional certifications that have been earned both locally and through another well-established online educational portal. This system allows accuracy, reliability, and immutability that has never been implemented. This foundation of clear, verified data will then be used further to power blockchain-based applications. The result is that our attempt at a versatile, holistic, and decentralized view of educational performance ensures the best e-learning outcome for students and teachers alike.
Highlights
At its core, a blockchain is a ledger that permanently stores information about all transactions on the network that cannot be modified or tampered with
A smart contract is a program whose responsibility is to conduct asset transfer between two parties while satisfying a condition. e life cycle of a general smart contract consists of first recording the terms of a contract between the parties on a distributed ledger. en, they relate to internal or external systems and databases. e contract waits for external factors to evaluate predefined conditions
The contract self-executes upon fulfilment of conditions via triggers. e easy deployment of smart contracts in public blockchains, known as public smart contracts, has attracted a wide variety of commercial applications [3, 4]
Summary
A blockchain is a ledger that permanently stores information about all transactions on the network that cannot be modified or tampered with. Our paper aims to provide the most efficient way to use DLT (distributed ledger technology) like blockchain and smart contracts in the field of online education. We developed a decentralized Solidity smart contract for transferring credits to students through a blockchain wallet. When a student completes a registered course, the credit is converted into a token and saved in the blockchain wallet. Faculties transfer the credits to students’ wallets after completion of each course based on the student’s address identifier, which is a blockchain with multiple signatures consisting of public and private keys.
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