AERA Vol.5 Series : A Must-Have Technology for Future Children - Blockchain

Series of articles covered in AERA

AERA Vol.5 Series : A Must-Have Technology for Future Children - Blockchain


*This article summarizes the conversation between Mr. Sato,President & COO of Jasmy Inc.and Mr. Kimura, the editor-in-chief of AERA, focusing on the theme "A Must-Have Technology for Future Children - Blockchain" in AERA Vol.5.

Contents of the dialogue

Topic1: Changes in Information Between Past and Present

While children of the digital native generation can easily access information, there are challenges in managing and developing literacy around that information. In the past, information primarily came from one's immediate surroundings and mass media like television, and children grew up consuming information within the reach of parents and the surrounding environment. In the present day, the internet has both positive and negative aspects, with many individuals dealing with issues such as bullying and cyberbullying.

Amidst these challenges, blockchain effectively utilizes the characteristic of traceability. It allows tracing the origin of information, even if it initially comes anonymously. This is often referred to as "semi-anonymous." Blockchain technology is being applied in addressing children's concerns by allowing anonymous counseling. In urgent situations, under consent, blockchain can be used to identify the individuals involved.

Topic2: Utilizing Blockchain in the Education Field

Jasmy's Personal Data Locker (PDL) can be beneficial in the education sector. For example, children can manage their own academic records. Currently in Japan, grades are managed separately for elementary, middle, high school, and university, using various document formats. However, if individuals can centrally manage their academic records, it becomes easy to analyze statements such as, "I struggled with math in junior high, but became proficient in high school." This has the potential to bring about changes in teaching methods for educators.

Topic3: What is Blockchain, Anyway?

If a child were to ask you, "What is blockchain?" how would you respond? While you can explain it as a tamper-resistant technology, the crucial aspect lies in its fundamental principle. Traditional organizations have operated in a centralized manner, aggregating and utilizing data. Jasmy, however, aims for "Data Democracy" by leveraging blockchain technology to decentralize data. Through the use of "smart contracts," mutual trust can be secured, leading to the realization of a collaborative society. Instead of saying "it's dangerous, so don't," fostering interest and vigilant observation can contribute to digital transformation.

Keiko Kimura 

She joined The Asahi Shimbun Company in 1999, where she worked in the Niigata and Chiba branches covering judiciary and administration. In 2004, she transferred to the AERA editorial department, serving as Deputy Editor-in-Chief for 14 years. Subsequently, she concurrently held the positions of Junior AERA Editor-in-Chief and AERA with Kids Editor-in-Chief, before becoming the Editor-in-Chief of AERA in April 2022.

Kazumasa Sato 

He is President & COO of Jasmy Inc. He served as President of Sony Style .com Japan Inc. in 2000, and held various positions at Sony, including Director of the Creative Center, before leaving Sony in 2016 to establish Jasmy.

AERAdot. is the online version of a weekly magazine published by The Asahi Shimbun Company. As of 2023, it has approximately 38,600,000 monthly page views.


1.It publishes a wide range of media in various genres under the guidance of an editorial team with diverse expertise and knowledge.

2.It attracts users with a strong interest in education.

3.It offers a rich selection of articles related to healthcare and wellness.


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