The present invention generally relates to an advertisement indexing platform technology using interactive signage. More specifically, the present invention installs a number of digital signage devices capable of interacting with people at various hotspots, and binds these signage devices to a block chain to share and link advertisement content data, thereby making the digital signage device an interactive advertising platform. It relates to a blockchain-based advertisement indexing platform system using interactive signage that can be used as a platform for creating and distribution of various advertisement contents at the same time. According to the present invention, there is an advantage of being able to distribute advertisement content generated by an individual in a digital signage device at one branch to a plurality of signage devices in real time through a block chain. At this time, by implementing a system that provides rewards to individuals who create advertising content by reflecting the advertising effect analysis information in the block, the advertising content is not unilaterally delivered, but actively created and distributed through the participation of multiple individuals. The platform can be configured based on a blockchain.
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