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Mohanta, B. K., Jena, D., Panda, S. S., & Sobhanayak, S. (2019). Blockchain Technology: A Survey on Applications and Security Privacy Challenges. Internet of Things, 100107. doi:10.1016/j.iot.2019.100107 
10.1016/j.iot.2019.100107
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from 2019-09-08
from 2019-11-12