Announcement: Change of Our Company Name

We hereby announce that R3 Ventures Co.,Ltd. (Head office: Chuo-ku,Tokyo,CEO: Seihaku Yoshida)has changed it name to HashPort Inc. since May 20,2019.

Not limited to the investment related field on which we focused in the past, the new name expresses our unwavering commitment to the blockchain industry. From now on,we will dedicate ourselves to the three business areas of assurance,consulting,and accelerator and position ourselves as the one-stop solution provider that helps drive blockchain adoption.

Furthermore,as our business expands and our team grows, our office has been relocated to Gaienmae. We have been operating in our new location since May 2019.

Our new address:

2-7-13 Kita Aoyama,Minato-ku,Tokyo 107-0061 

Praseo Aoyama Building 3F 

Our New Company Name

The new company name and the new logo reflect our ambition to become the port of call for blockchain technology in Japan that will continuously guide the industry as a lighthouse and drive blockchain adoption.

Business Description


We audit and provide a fair opinion on crypto currencies based on both the technical and business aspects. Our exclusive partner BEOSIN,the biggest code audit company in China,provides a high-quality code review service that meets the technical standard for the purpose of new token listing in Japan.

Crypto currency listing support

For the crypto currency exchanges,we are a one-stop shop for all their new token listing needs: prospecting candidate token,performing project due diligence,conducting code review,preparing for listing application,and corresponding to regulator’s inquiries.

Code review

BEOSIN provides a trustworthy technical opinion on the technical portion of the new token listing application. Performing more than 500 code reviews per year,BEOSIN has been providing services to the top global crypto currency exchanges and many block chain projects,such as Huobi and OKEx.


For established enterprises considering opportunities with blockchain, we offer a full line of consulting services including research, business planning, proof of concept, and development and operations. One project lead with a strategic consulting firm background and the oversea partners will together carry out the projects.

Collaboration with research partners

As a member of the global block chain consulting consortium Not For Sale,we provide research and advice based on numerous case studies from around the world. We can propose the best suited plan that combines the strength of our client’s existing business and the latest blockchain technology.

Collaboration with development partners

We and Yuanben jointly provide excellent engineering outsourcing services. Yuanben is a major Chinese blockchain company with highly qualified engineers and has been working on blockchain projects for many global companies such as Lenovo and Hakuhodo.


We host an accelerator program to support foreign block chain projects that want to expand in Japan. For those already successful overseas projects recommended by major crypto funds,we offer support in the following three areas: localization,listing,and fund raising.

Localization support

  • PR·Events
  • Business matching with Japanese companies
  • Community operations
  • Recruitment·Japanese branch office setup

Listing support

  • Introduction to Japanese crypto exchanges
  • New token listing application

Fund raise support

  • Introduction to investors
  • Investor relation support

HashPort Inc,Overview

Company Name: HashPort Inc.
Representative: CEO Seihaku Yoshida
Address: 2-7-13 Kita Aoyama,Minato-ku,Tokyo 107-0061 Praseo Aoyama Building 3F URL:

Business Description:

  1. Consulting business
  2. Investment and accelerator business
  3. Other business