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Blockchain can be used to record transaction data and act as an encrypted and immutable digital history of anything from cryptocurrencies such as Bitcoin and Ethereum. This paper introduces blockchain technology, standardization, and its relationship with cloud computing. Also, it provides the considerations for blockchain as a service as a new standard.

Cloud computing and related services, in combination with mobile computing, are becoming a major building block of new IT convergence. Therefore, cloud interoperability based service evaluation certification demands precise and professional requirements. This study presents the quality, interoperability, and security as three key areas of overall cloud services. It also presents a proposal to evaluate the quality and interoperability through an existing cloud service certification system considering practical convenience and reality in establishing the certification system.