Experience

 
 
 
 
 
April 2019 – Present
Kanagawa

Researcher

Keio University Graduate School of Media and Governance

  • Research on Blockchain
  • Teaching FUNDAMENTALS OF INFORMATION TECHNOLOGY 1 / 2
 
 
 
 
 
June 2018 – March 2019
Tokyo

Software Engineer Internship

Mercari, Inc.

Next Generation Financial Services Development (Merpay, Inc.)

  • Research on Security and Incentive model of Blockchain
 
 
 
 
 
April 2018 – Present
Kanagawa

BCALI (BlockChain as Advanced Layer of the Internet) Group Leader

Keio University Jun Murai Lab.

Research on Blockchain
 
 
 
 
 
August 2017 – September 2017
Kanagawa

Summer Internship

NTT Service Evolution Laboratories

Research on Information Transparency on Blockchain
 
 
 
 
 
August 2015 – March 2017
Kanagawa

NECO (NEtwork and Communication) Group Leader

Keio University Jun Murai Lab.

Research on Blockchain

Recent Publications

Quickly discover relevant content by [filtering publications](/publication/).

In Bitcoin, to independently verify whether new transactions are correct or not, a type of a node called “Full Node” has to …

In a consensus algorithm based on Proof-of-Work, miners are motivated by crypto rewards. Furthermore, security is guaranteed because a …

A type of Bitcoin node called” Full Node” has to hold the entire of historical transaction data called” …

There are several studies that propose identity management that utilizes blockchain technology. In Ethereum, the main programmable …

In recent years, manufacturing using digital machine tools called digital fabrication has spread rapidly. Unlike concentrated mass …

Teaching Experiences

As a Teacher

  • FUNDAMENTALS OF INFORMATION TECHNOLOGY 1, Ryosuke Abe, Faculty of Enviromanet and Information Studies, Keio Univ., 2019 Spring Semester

As a Teaching Assistant / Student Assistant

  • Beyond Blockchain, Kenji Saito and Jun Murai, Faculty of Enviromanet and Information Studies, Keio Univ., 2018 Spring Semester, 2018 Fall Semester
  • Blockchain, Kenji Saito and Jun Murai, Faculty of Enviromanet and Information Studies, Keio Univ., 2017 Fall Semester
  • Software Security, Keisuke Uehara, Graduate School of Media and Governance, Keio Univ., 2017 Fall Semester
  • Internet, Jun Murai and Masaaki Sato, Faculty of Enviromanet and Information Studies, Keio Univ., 2017 Spring Semester
  • FUNDAMENTALS OF INFORMATION TECHNOLOGY 1, Shota Nagayama, Faculty of Enviromanet and Information Studies, Keio Univ., 2016 Spring Semester

Contact

  • chike[at]sfc.wide.ad.jp
  • Delta Bldg N215, Keio University Shonan Fujisawa Campus (SFC), 5322 Endo, Fujisawa, Kanagawa, 252-0882 Japan