The Seven-Eleven retailer and the blockchain-based meteorological big data company Observer announced on December 16 that they plan to install block-chained air pollution and weather monitoring devices for polluted fine dust in the convenience stores by the end of this year.
The Observer is planning to install over 100 Seven-Eleven stores by the end of this year and 3,000 Mini Weather Station, a weather and pollution monitoring device, by 2020.
"These devices will provide real-time pollution data to blockchains that can