(1) One-shot essays, commentaries, or columns
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- The Bank of Japan’s Institute for Monetary and Economic Studies: A Catalyst for Innovation (The Newsletter of the Bank of Japan’s Institute for Monetary and Economic Studies, April 2023)
- Insights into Digital Finance (Part 1): Trust in Cash and Bank Deposits – Unchanging Realities (Nihon Keizai Shimbun, October 27, 2022)
- FinTech and Japanese Banking Industry (SBI Research Review, SBI Financial and Economic Research Institute, August 2022)
- The Present and Future of Crypto Assets (Information Processing, Information Processing Society of Japan, November 2021)
- From traditional information systems to digitalization (Financial Legal Journal for Agriculture, Forestry and Fisheries Cooperative Associations, July 2021)
- Digital finance to be embraced only in the next decade, (Kin’yu Zaisei Jijyou, October 19, 2020)
- Finance, Capital Markets, and Blockchain, Nomura Journal of Capital Markets, Summer 2020
- Fintech is changing the future. Cashless payment systems in Japan and the world, “AD-STUDIES” Vol.70, December 2019
- Consideration of Initial Coin Offering by Local Governments, “Kokusai Bunka Kenshu” 27(2), November 2019
- Facebook’s new currency initiative. The digital currency Libra cannot be used across borders, “Wedge” 31 (9), September 2019
- Regional Banks of the Near Future: Who Will Inherit the Gene of Innovation?, “Regional Banks Association Monthly Magazine” 2018 (10), October 2018
- Bitcoin and Virtual Currencies, “Gakushikai Kaiho” 2018 (5), September 2018
- Interview: The future will come when today’s legacy financial IT systems will no longer be needed, “Diamond weekly” 106(31), November 2018
- The underlying mechanism of virtual currency, “Nihon Keizai Shimbun,” 2018.7.2
- Securities market, virtual currencies, and Initial Coin Offerings, “Monthly Capital Market” (May, 2018 issue)
- ICO (Initial Coin Offering) is not alchemy, “Weekly Nikkei Business” (2017.12.13)
- Development of FinTech and the way of financial institutions, “Legal and Banking 21” No. 810, 2017.3.8
- FinTech innovation and its impact, “JASBA Journal” (No. 658), 2016.9.25
- FinTech and Future of Financial IT, “Regional Banks Association Monthly Magazine” 2016 (1)
- About workshop on the advanced sophistication of banking business utilizing IT, “Monthly Magazine of Japanese Bankers Association – Finance” (December 2015 issue)
- Looking beyond the national numbering system – the national numbering system coupled to each bank account, “Legal and Banking 21” No. 792, 2015.10.01
- A new design philosophy of the banking information system, “Weekly KIN’YU ZAISEI JIJOU (Journal of Financial Affairs)” 2015.1.5
- Current status and problems of information security in financial institutions, “Regional Banking” (March 2008 issue)
- Counterfeit Cards Depositor Protection Act and Security Measures of Financial Institutions – Special Issue: Protection of Bank Depositors from Counterfeit Cards, “Jurist” (March 15, 2006 issue)
- Counterfeit bank card problem makes banks reconsider the strategy of the bank deposit business, “Weekly KIN’YU ZAISEI JIJOU (Journal of Financial Affairs)” 2005.5.2
- Cryptographic Technology for Promoting e‐Society: e‐Business and Cryptographic Technology, “Information Processing” Vol. 45, No. 11, 2004.11.15
- The cryptographic technologies used for financial operations and international standardization, Newsletter “Kin’yu Zaisei,” June 29, 1998
- IT-innovation and banks, “Regional Banks Association Monthly Magazine” (June 1995 issue)
(2) Serial Essays
NAZO TO SUIRON (Solving Riddles)These are essays serialized in Yamaguchi Shinbun Newspaper every Wednesday from September 2010 to July 2011. Total 42 essays. Using this series as main, along with other contents, I published a book “NAZO TO SUIRON (Solving Riddles)” in 2011.
Letters from HananochoThese are columns serialized in the monthly magazine of Shimonoseki Chamber of Commerce and Industry between October 2010 to May 2011. Total seven columns. I researched the History of Shimonoseki city and explained some stories related to the Hananocho, the traditional name of a place where Bank of Japan Shimonoseki branch stands.
A Central Banker is Working at HitachiThese are columns serialized in the financial industry magazine ‘Weekly KIN’YU ZAISEI JIJOU (Journal of Financial Affairs)’ in 2012. Total nine columns. When I was seconded from the Bank of Japan to Hitachi Ltd. for two years, I took a close look at the way of doing business in the IT company and reported it to people in the financial industry.
IRC MonthlySince 2020, I have been regularly contributing to “IRC Monthly,” a monthly publication of the Iyo Bank Regional Economic Research Center, a think tank based in Matsuyama City, Ehime Prefecture. My contributions primarily focus on examining the relationship between finance and digitalization.