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1. Terms of Use

1.1 Application of These Terms

These Terms of Use ("Terms") govern the use of "YOROSIX" ("Service") operated by
YOROSIX("we", "us", "our").
By using the Service, all users ("Users") are deemed to have agreed to these Terms.

1.2 Overview of the Service

The Service is a cooperation platform where Users can post "Cooperation request" and other Users
may provide information or assistance to help solve problems.
All interactions conducted on the Service — including agreements, exchanges,
information sharing, and operational activities — are the sole responsibility of the Users involved.
We do not assume responsibility for disputes or issues arising between Users.

1.3 Eligibility

• The Service is intended for individuals aged 13 or older.
• Minors must obtain consent from a parent or legal guardian.
• Corporate Users must represent and warrant that they have the legal authority to act on behalf of their organization.

1.4 Prohibited Conduct

Users must not engage in the following:

• Acts that violate laws or public order
• Criminal acts or acts that may lead to criminal activity
• Infringement of third-party rights (copyright, trademark, privacy, likeness, etc.)
• Posting discriminatory, defamatory, threatening, or obscene content
• Posting false information
• Spam, unsolicited solicitation, chain messages
• Excessive load on servers or networks
• Unauthorized access, scraping, automated data collection
• Impersonation of the Lab or third parties
• Any conduct deemed inappropriate by us

1.5 Intellectual Property Rights for User Content

Copyright of content posted by Users belongs to the respective Users.
However, Users grant us a worldwide, non-exclusive, royalty-free, perpetual license
to use such content (including reproduction, modification, adaptation, translation,
public transmission) for the purposes of operating, improving, researching,
and promoting the Service.

1.6 Removal of Content

We may remove content or suspend/delete accounts without prior notice
if we determine that a User has violated these Terms or applicable laws.
We may not respond to individual inquiries regarding removal criteria or decisions.

1.7 Free Use and Future Fees

The Service is currently provided free of charge.
Paid plans or additional paid features may be introduced in the future,
with details announced separately at the time of introduction.

1.8 Disclaimer

The Service is provided "AS IS".
We do not guarantee uninterrupted operation, error-free performance,
or suitability for any particular purpose.
We are not liable for damages arising from the use or inability to use the Service,
except in cases of intentional misconduct or gross negligence.
Even in such cases, liability is limited to direct and ordinary damages,
up to the total amount of fees paid by the User in the past 12 months
(or 10,000 JPY if the Service was free).

1.9 Changes to the Terms

We may modify these Terms as necessary.
Revised Terms take effect upon posting,
and continued use of the Service constitutes acceptance of the revised Terms.

1.10 Governing Law and Jurisdiction

These Terms are governed by Japanese law.
Any disputes shall be subject to the exclusive jurisdiction of
the Osaka District Court or Osaka Summary Court as the court of first instance.

2. Privacy Policy

2.1 Information We Collect

• Account information (email, nickname, profile details)
• Log data (IP address, device/browser info, timestamps, cookies)
• Behavioral data (Requests, shares, replies, Thanks, Ripple, hop distance, time-series data)
• Wallet addresses and transaction data (when blockchain features are used)
• Public blockchain data (addresses, transactions)

2.2 Purposes of Use

• Provision, maintenance, and improvement of the Service
• Statistical analysis and research on cooperation behavior and propagation
• Fraud prevention and security
• Notifications about new features or campaigns
• Compliance with legal obligations
• Provision of blockchain-related features (if introduced)

2.3 User Rights under Japanese Law

Users may request disclosure, correction, suspension, or deletion of their personal data.
Contact: contact form

2.4 Overseas Data Transfer

Servers or service providers may be located outside Japan.
We take appropriate security measures in accordance with applicable laws.

2.5 Cookies

Cookies may be used to improve convenience and analyze usage.
Disabling cookies may limit certain features.

3. Blockchain Integration Policy

* Applies only if blockchain features are introduced.

3.1 Nature of Blockchain

Blockchain data cannot be altered or deleted once recorded.
Users must understand this characteristic before using blockchain features.

3.2 Public Information

Blockchain addresses and transactions are public.
We do not guarantee confidentiality of such information.

3.3 Gas Fees

Users are responsible for gas fees and other blockchain-related costs.

3.4 External Wallets

Users are solely responsible for managing their external wallets.
We are not liable for loss or theft of private keys.

3.5 Smart Contract Risks

We are not responsible for damages caused by smart contract bugs or vulnerabilities.

3.6 Tokens and NFTs

We may issue tokens or NFTs related to cooperation behavior in the future.
Specific conditions will be defined separately.

4. Research Policy (Research Use of Data)

4.1 Purpose of Research

We conduct academic and applied research on cooperation behavior,
behavioral propagation, Ripple, BDT, and cooperation networks
to advance the scientific foundation of Cooperation OS.

4.2 Scope of Research Use

• Statistical analysis of behavioral logs
• Causal inference of cooperation behavior (BDT)
• Improvement and evaluation of Ripple models
• Analysis of Cooperation Graph structures
• Algorithmic enhancement of Cooperation OS
• Academic papers, conferences, and research reports
• Joint research with universities, research institutes, and governments
• Use in social implementation projects

4.3 Anonymization

All research use is conducted with properly anonymized data
that cannot identify individuals.

4.4 Publication of Research Results

Research results may be published in academic venues,
but no personally identifiable information will be included.

4.5 Secondary Use of Research Data

Anonymized research data may be reused for:

• Academic research
• Social implementation research
• Improvement of Cooperation OS

5. AI Model Training Policy

5.1 Purpose of AI Model Training

We may use data to train AI models for:

• Ripple prediction
• BDT model improvement
• Cooperation behavior estimation and recommendation
• Optimization of cooperation networks
• Fraud detection and anomaly detection
• Overall enhancement of Cooperation OS

5.2 Data Used

• Text content from posts
• Behavioral logs (Thanks, Ripple, hop distance, etc.)
• Time-series data
• Network structure data
• Anonymized statistical data

5.3 Types of Models

• Natural language processing models
• Graph neural networks (GNNs)
• Ripple/BDT-specific models
• Cooperation behavior prediction models
• Anomaly detection models

5.4 Use of External AI Services

External AI services may be used with appropriate legal and privacy safeguards.

5.5 Model Publication

Models or findings may be published for research purposes,
but will not include personal data.

6. Dispute Resolution

In the event of a dispute, Users and the Lab shall first attempt to resolve the matter
through good-faith discussions.
If unresolved, we may propose arbitration under the rules of the
Japan Commercial Arbitration Association (JCAA).
However, the final agreed jurisdiction remains as stated in Section 1.10.

Last Updated: November 29, 2025

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