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A university in South Korea installed an environmentally friendly toilet and used digital currency to pay people for its use. The toilet is connected to a laboratory that uses manure to produce biogas, which is used as energy at the university.
There is now a toilet that can use digital currency to pay for your use of it. According to a Reuters report on Friday, it was designed by a professor of environmental engineering at the Ulsan National Institute of Science and Technology (UNIST) in South Korea and is currently in use. The institute is one of the four public universities in South Korea dedicated to scientific and technological research.
The toilet is called Beevi, which is a compound word of the two words bee and vision. It is connected to a laboratory that uses manure to produce biogas and manure.
When in use, the vacuum pump sends the feces into the underground water tank to reduce water consumption, and the feces are decomposed into methane by microorganisms. This has become an energy source, and a university building is using this energy to power “gas stoves, hot water boilers, and solid oxide fuel cells,” the publication said.
Professor Zhao Jae-won who designed the toilet was quoted as saying:
If we use it out of the box, manure is valuable for energy and fertilizer production. I put this value into the ecological cycle.
He explained that an average person defecates about 500 grams per day, which can be converted into 50 liters of methane gas. He pointed out that this gas can generate 0.5kWh of electricity or be used to drive a car for about 0.75 miles.
Users of Beevi toilets are paid with a digital currency called Ggool, which means honey in Korean. Currently, every person who goes to the toilet can earn 10 Ggool per day.
The digital coins can then be used to buy anything in the stores on campus, such as freshly brewed coffee, instant noodles, fruits, and books. Students scan the QR code to pay with digital currency.
To quote the university graduate student He Huijin:
I used to think that feces were dirty, but now it is a valuable treasure to me. I even talk about feces during meals to consider buying any book I want.
The news about this toilet has attracted some attention on social media, and some people call it a “genius” creation. However, many people in the crypto community made fun of this concept, calling digital currencies the “king of junk coins.”
What do you think of this toilet paying people with digital currency? Let us know in the comments section below.
Image Source: Shutterstock, Pixabay, Wikimedia Commons
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