Hylium Industries, Inc.

Altimedia Corporation

Jung Ki Min

Seo Young Kim

Hong Yeol Yun

Chang Hoon Cho

The present invention relates to a content distribution management technology using blockchain technology. The content distribution management system using blockchain technology, according to one embodiment, may comprise: a purchase transaction generation unit for generating a purchase transaction in response to a content purchase request signal from a user terminal; a broadcasting processing unit for broadcasting the generated purchase transaction; a transaction processing unit for collecting a use transaction if, after the broadcast purchase transaction is verified, the content corresponding to the verified purchase transaction is used on the user terminal; a transaction verification unit for verifying the collected use transaction; a block generation unit for generating a first block and a second block corresponding to the verified use transaction; and a distributed ledger management unit for separately recording the generated first and second blocks in respective distributed ledgers.

Content distribution management system and method using blockchain technology

A mobile liquid and gaseous hydrogen refueling apparatus including: a main storage module for receiving liquid hydrogen to produce first gaseous hydrogen; a liquid pumping and transporting module for receiving the liquid hydrogen, pumping the liquid hydrogen, and producing second gaseous hydrogen; a gas compressing and storing module for receiving at least one of the first gaseous hydrogen and the second gaseous hydrogen and compressing and storing the at least one gaseous hydrogen; and a gas converting and transporting module for receiving the pumped liquid hydrogen and the compressed gaseous hydrogen, performing heat exchange between the pumped liquid hydrogen and the compressed gaseous hydrogen, producing gaseous hydrogen for refueling, and transporting the gaseous hydrogen for refueling to a gaseous hydrogen fuel consumption structure.

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Seoul, South Korea

Jung Ki Min