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“Create a frictionless, connected world through crypto assets”

Internet enabled information to flow for free in no time.
Every one of us has the ability to express ourselves on the internet.
Now, blockchain = internet of value is here.
We will enter an era which various transactions, such as execution of contracts or transfer of ownership, can be processed directly without any intermediaries.
There is a shift from a world connected by internet to a world processed by blockchain.
By connecting decentralized blockchains with the participants of the new system through a crypto aseet exchange, COINAGE will contribute to the advancement of internet.


Name COINAGE, Inc.
Line of Business Crypto asset exchange
Established October, 2017
Headquarters 8F, Sumitomo Fudosan Roppongi Grand Tower, 3-2-1, Roppongi, Minato-ku, Tokyo
Representative President, CEO Taizen Okuyama
Capital ¥1,949 million (capital reserve included)

Management Team

Director, CEO
Taizen Okuyama
Director Hideji Fukushima
Director, COO Ryohei Yamazaki
Director, CIO Katsuki Shiramizu
Director, CFO Toshikatsu Makishima
Director Tomokazu Otsuka
Director Yozo Tanabe
Director Rie Kajikawa
Director Hideaki Miyamoto
Auditor Kazuo Anzai


Available Positions


Compliance / Internal Audit

Human Resources

Currently, we do not have any open positions.


General Affairs


Service / Customer Support

Service / Account Support

Currently, we do not have any open positions.




For business inquiries and questions on our service or careers,
please send us a message via the contact form.
Our Support Desk will be in touch with you.