Privacy Policy
Yechuk respects user privacy and considers the proper handling of user information to be an important policy.
This Privacy Policy explains what information Yechuk may collect, how it may use that information, and how it manages user information.
By using Yechuk, users are deemed to have agreed to this Privacy Policy.
Information Collected
Yechuk may collect the following information for service provision, operation, security management, fraud prevention, and legal compliance.
- Account information
- Email address
- MetaFace Wallet information
- Wallet address
- Connection information
- IP address
- Connection region
- Device information
- Browser information
- Login history
- Market participation history
- Market creation history
- Selected choices
- Currency used
- Stake information
- Reward history
- Settlement history
- Refund history
- Referral code
- Referral relationship
- Yechuk Point（YP）usage history
- Information related to locked and unlocked YCK status
- Participation count for unlocking locked YCK
- Information related to DFSChain gas fees and transaction fees
- Inquiry details
- Information necessary for fraud detection
- Usage pattern information necessary for AI monitoring
- Purpose of Use
Yechuk uses collected information for the following purposes.
- Providing the Yechuk service
- Account management
- Integration with MetaFace Wallet
- Processing market participation
- Processing market creation
- Market resolution
- Reward distribution
- Settlement processing
- Refund processing
- Granting and managing Yechuk Point（YP）
- Managing locked and unlocked YCK status
- Checking unlock conditions
- Processing DFSChain gas fees and transactions
- Confirming referral rewards
- Detecting fraudulent use
- Checking self-referrals
- Checking multiple accounts
- Checking fake registrations
- Detecting bot use
- Detecting market manipulation
Checking money laundering, criminal use, or relationships with anti-social forces
- Confirming regional restrictions
- Legal and regulatory compliance
- Identity verification and additional checks
- Responding to inquiries
- System maintenance
- Improving security
- Improving the service
- Developing new features
- Analyzing usage status
- MetaFace Wallet Information
Yechuk uses MetaFace Wallet as the user’s account and wallet.
When a user connects MetaFace Wallet, Yechuk may collect and manage wallet addresses, connection status, usage history, participation history, reward history, token usage status, and other information necessary for service operation.
MetaFace Wallet serves as the basis for participation, receiving rewards, token management, and history confirmation within Yechuk.
Information on DFSChain
Yechuk is a service that operates on DFSChain.
Therefore, information related to market creation, participation, settlement, reward distribution, refunds, gas fees, transaction fees, and other processes may be recorded and managed on DFSChain or within Yechuk’s management system.
Information recorded on DFSChain is used for service transparency, settlement management, fraud prevention, and history confirmation.
Information Related to Yechuk Point（YP）
Yechuk may grant 10,000 Yechuk Point（YP）to new registered users.
YP is an in-service point for practice, trial use, and checking how the service works.
Yechuk may manage YP grants, usage, balances, participation history, reward display, and trial usage history.
YP has no monetary value and cannot be exchanged for DFS, YCK, or any other token.
YP usage history may be used for service improvement, operation checks, fraud prevention, and user support.
Information Related to Locked YCK
YCK may exist in locked and unlocked states.
Yechuk may manage information related to YCK’s locked status, unlocked status, participation count for unlocking, participation history in eligible markets, and reward receiving status.
If a user participates with locked YCK, rewards are also processed as locked YCK. Therefore, Yechuk records the necessary information to correctly manage that status.
This information is used to confirm unlock conditions, process rewards, prevent fraud, and provide user support.
AI Monitoring and Fraud Detection
Yechuk may use AI monitoring and operator review to protect fair markets.
AI may analyze the following types of information.
- Registration status
- Login history
- Referral relationships
- Participation patterns
- Market creation patterns
- Fund flows
- Stake movements
- Reward receiving status
- Suspected multiple accounts
- Suspected self-referrals
- Suspected fake registrations
- Bot behavior
- Suspected market manipulation
- Abnormal short-term participation
- Unnatural referral reward acquisition
- Suspected money laundering or criminal use
AI detection is used to identify possible fraud, and the operator may conduct additional reviews when necessary.
If fraud is confirmed, measures such as reward confiscation, asset freezing, withdrawal restrictions, participation restrictions, account restrictions, or account suspension may be taken.
Legal Compliance and Regional Restrictions
Users must use Yechuk in compliance with the laws and regulations of each country and region.
Yechuk may check IP addresses, connection regions, usage history, identity verification information, and related documents for legal compliance, regional restrictions, regulatory compliance, sanctions screening, AML compliance, and fraud prevention.
Depending on the country or region, some or all functions of Yechuk may not be available.
Identity Verification and Additional Checks
Yechuk may request identity verification, address verification, source of funds verification, sanctions screening, and related documents from users when necessary.
Additional checks may be conducted in cases such as the following.
- Participation in high-value markets
- High-value market creation
- Abnormal transactions
- Unnatural fund movements
- Suspected use of multiple accounts
- Suspected fraudulent use
- Suspected money laundering
- Suspected criminal use
- Suspected relationship with anti-social forces
- Refund processing after market freezing
- When legal compliance is required
- When the operator deems it necessary
If a user does not comply with required checks, Yechuk may take measures such as participation restrictions, withdrawal holds, refund holds, asset freezing, reward confiscation, account restrictions, or account suspension.
Disclosure to Third Parties
Yechuk does not improperly sell user information or provide it to third parties for unnecessary purposes.
However, Yechuk may disclose or share information with third parties or related parties to the necessary extent in the following cases.
- When required by law
- When requested by courts, administrative agencies, or regulatory authorities
- When fraud, scams, money laundering, or criminal use is suspected
When a relationship with anti-social forces, mafia, or criminal organizations is suspected
When necessary to protect the rights, property, or safety of users or third parties
When coordinating with service providers necessary for service operation
When necessary for system maintenance, security, analysis, payment, settlement, or refund processing
When necessary for integration with DFSChain, MetaFace, or related services
When coordinating with affiliated companies or partners within the scope necessary for operation
Sharing with Service Providers
Yechuk may share necessary information with service providers who support system development, server management, security, payment, analysis, customer support, legal compliance, and other operations necessary to provide the service.
In such cases, Yechuk requires service providers to manage the information appropriately within the necessary scope.
Information Retention Period
Yechuk may retain user information for the period necessary for service provision, legal compliance, fraud prevention, dispute handling, accounting, and security management.
Even after account deletion, Yechuk may retain necessary information for a certain period for legal compliance, fraud investigation, settlement records, transaction history, trouble handling, and confirmation of violations.
User Management Responsibility
Users are responsible for properly managing their account, MetaFace Wallet, connected devices, login information, email address, password, and authentication information.
To the extent permitted by law, Yechuk is not responsible for damages caused by user mismanagement, device loss, unauthorized use by third parties, phishing, mistaken connection to external websites, access to scam links, or similar causes.
Security Management
Yechuk strives to manage user information securely.
Yechuk implements reasonable security measures to prevent unauthorized access, information leakage, alteration, loss, destruction, and misuse.
However, due to the nature of internet communication, external services, user-side device management, third-party attacks, and blockchain-related systems, not all risks can be completely eliminated.
Use of Cookies and Similar Technologies
Yechuk may use cookies or similar technologies for service improvement, maintaining login status, usage analysis, fraud prevention, and security management.
Users may be able to restrict or disable cookies through browser settings.
However, if cookies are disabled, some functions of Yechuk may not work properly.
Integration with External Services
Yechuk may integrate with MetaFace, DFSChain, WEXSWAP, HeyOTC, and other related services.
When using external services, the terms of use, privacy policies, fees, and risks of those external services may apply.
To the extent permitted by law, Yechuk is not responsible for the operation, failures, information management, or specification changes of external services.
Use by Minors
Yechuk does not permit use by persons under the age of 18.
Users represent that they are 18 years of age or older at the time of using Yechuk.
Yechuk may request age verification when necessary.
Changes to this Privacy Policy
Yechuk may change this Privacy Policy due to legal changes, service changes, security improvements, risk management, or operational necessity.
The revised Privacy Policy will become effective when displayed on Yechuk or at the time determined by the operator.
Users should always check the latest Privacy Policy before using Yechuk.
Agreement
By using Yechuk, users are deemed to have agreed to this Privacy Policy.
Users must also use Yechuk after confirming and understanding the Important Notices, Terms of Use, Disclaimer, and individual rules of each market.