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NII Today


Informatics is a new academic descipline that privides a fuondation to support society. NII Today for the purpose of broadly and simply informing general readers how informatics research changes the society in which we live and what new value it brings to future society. (NII Today is now distributed only as a PDF file.)

Current Number

No. 55 / Oct. 2015

Virtual Currency Technologies and challenges

Virtual currencies such as Bitcoin are attracting attention worldwide.
Problems remain to be solved both technologically and socially. Meanwhile, the technology behind virtual currency is progressing steadily.
Virtual currency indicates that its use has potential to be come a major trend in the future. Why is it attracting attention?
We think about the problems and challenges of virtual currency, bloch chain technology used in Bitcoin, and the Byzantine Gererals Problem, that is the key to solve fraudulent use of virtual currency.

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