Komori
Other Disclosures8783abc Co.,Ltd.Financials (excluding banks)

Notice Regarding the Development of “Proof of Holding,” a Service for Verifying Stock Token Ownership Connected to Robinhood Chain

Developed “Proof of Holding,” a service that enables holders of stock tokens on Robinhood Chain to prove their holdings to third parties using their own signatures. The company will announce the service launch separately after confirming the relevant laws and regulations.

Worth reading
54Recurring
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Neutral
Direction inferred from the company’s description.
Scale
194
Securities (as of 5 September 2026)
Wording
Conditional
How definitive the wording is.

Announced details

Proof of Holding
Applicable field (uses covered by this announcement)

Proof of ownership of stock tokens publicly listed on Robinhood Chain

Launch dateScheduled to be announced separately after confirmation of the relevant laws and regulations (specific timing is Not disclosed)
Relationship between the counterparty and the company
abc Co.,Ltd.8783
Relationship with the Company

There is no partnership with Robinhood or the issuers of the respective tokens.

CounterpartyRobinhood (listed; securities code not stated)

A company that operates Robinhood Chain and provides an API for its public registry of stock tokens. Other information on its location, representative, business activities, capital, and year of establishment is Not disclosed.

Registration number and expiry date

A number is assigned to each certificate and a validity period is set, but the specific number and validity period are Not disclosed.

Location (as indicated in this announcement)

11th Floor, Akasaka Daiichi Building, 4-9-17 Akasaka, Minato-ku, Tokyo

Offering price

Free of charge for holders

Impact on Business Performance

The impact on the company’s consolidated results is immaterial

The company does not address Contract Value.

Source (materials cited by the company)

Robinhood’s public registry API

Announced details
ItemDetails
Names of Products / Services CoveredProof of Holding
CounterpartyRobinhood (listed; securities code not stated)
Counterparty overviewA company that operates Robinhood Chain and provides an API for its public registry of stock tokens. Other information on its location, representative, business activities, capital, and year of establishment is Not disclosed.
Relationship with the CompanyThere is no partnership with Robinhood or the issuers of the respective tokens.
Offering priceFree of charge for holders
Launch dateScheduled to be announced separately after confirmation of the relevant laws and regulations (specific timing is Not disclosed)
Applicable areaProof of ownership of stock tokens publicly listed on Robinhood Chain
Registration number and expiry dateA number is assigned to each certificate and a validity period is set, but the specific number and validity period are Not disclosed.
Location11th Floor, Akasaka Daiichi Building, 4-9-17 Akasaka, Minato-ku, Tokyo
Impact on Business PerformanceThe impact on the company’s consolidated results is immaterial
SourceRobinhood’s public registry API
Items this document does not state (7)
Contract ValueContract DateAward/certification nameAwarding / certifying bodyLocation scaleQuantitative EffectsUsage history

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

Because the means of verifying self-reported holdings of stock tokens are limited, the service provides a way to verify and prove the fact of ownership.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding the Development of “Proof of Holding,” a Service for Verifying Stock Token Ownership Connected to Robinhood Chain | abc Co.,Ltd. (8783) timely disclosure | Komori