Design of Real Estate Contract Management System based Blockchain

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Byeongtae Ahn


The existing real estate transaction is highly interested in a contract that is
guaranteed to be reliable due to anxiety about the threat of fraud. In particular, it is timely and
economically efficient to manage contract information online and prevent forgery and
duplication of contract information. Blockchain technology is emerging as an alternative to the
enormous cost and reliability issues associated with offline real estate contracts. If blockchain
technology is applied to online contract management, reliability and scalability are efficient
and confidentiality can be ensured. Therefore, in this paper, we designed an Ethereum-based
online real estate contract management system among blockchain technologies. The real estate
contract management system enables online contract management and discrimination of
contract forgery through blockchain. In particular, it was possible to prevent fraud until the
contract was concluded and the contract was terminated

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