Terms of service

Article 1 (Purpose)

These Terms set out the rights, obligations and responsibilities of Hecto Walletone Co., Ltd. (the “Company”) and of the user who registers as a member (the “Member”) for, and uses, the service provided by the Company (the “Service”).

Article 2 (Posting and Amendment of the Terms)

1. ①The Company posts these Terms on the initial sign-up screen of the Service or on a linked screen, or gives notice of them by other means.
2. ②These Terms take effect when a person who wishes to use the Service agrees to them and registers as a Member.
3. ③The Company may amend these Terms to the extent that the amendment does not violate the applicable laws, namely the Act on the Regulation of Terms and Conditions and the Act on Promotion of Information and Communications Network Utilization and Information Protection.
4. ④When the Company amends the Terms, it states the effective date and the reason for the amendment and posts them together with the current Terms on the initial screen of the Company site or on a linked screen from 7 days before the effective date until the day before it. For a change that is unfavourable to Members or material, the Company notifies Members 30 days before the effective date.
5. ⑤Where the Company has posted the amended Terms under the preceding paragraph and has clearly notified Members that failure to express an intention within 7 days will be treated as an expression of intention, and a Member does not expressly refuse, the Member is deemed to have agreed to the amended Terms.
6. ⑥If a Member expressly states that the Member does not agree to the amended Terms, the Company cannot apply the amended Terms to that Member, and the Member may terminate the Use Agreement. Where there are special circumstances in which the existing Terms cannot be applied, the Company may terminate the Use Agreement.

Article 3 (Definitions)

1. ①“Member” means a company or individual that enters into a Use Agreement with the Company under these Terms and uses the Service provided by the Company.
2. ②“Account” means the service account created to identify the user within the Service and granted to a Member who has agreed to these Terms and entered into a Use Agreement with the Company.
3. ③“Password” means the combination of letters and numbers that a Member sets personally to confirm that the Member matches the Account and the Account address and to protect confidentiality.
4. ④“API key” means the encrypted string used for authentication when a Member uses the Service provided by the Company. It authenticates access to the data and APIs provided within the Service.
5. ⑤“Node” means the distributed data storage method, provided to companies that use the Service the Company offers to Members, in which data is placed in electronic blocks that are linked sequentially like a chain, transaction records are written to a ledger anyone can read, and the ledger is replicated and stored on each computer taking part in the blockchain network.
6. ⑥“Wallet” means the set of blockchain addresses required for the Service provided by the Company. Users can create and manage a wallet for each network, and registered wallets are used to track transactions and transfer virtual assets.
7. ⑦“Permission” means the ability of a Member using the Service to register IP addresses so that only permitted IPs can access the Account, for the security of that Account.
8. ⑧“Deposit” and “withdrawal” mean the act by which a Member, or customers of the service the Member operates, moves assets to a wallet from outside or within the Company’s Service.

Article 4 (Service Use Agreement)

1. ①The agreement on the use of the Service provided by the Company (the “Use Agreement”) is formed when a company or individual wishing to use the Service completes a written contract with the Company, enters the sign-up information the Company requires, and the Company approves the application.
2. ②A company or individual wishing to use the Service must fill in the online application form provided by the Company truthfully.
3. ③Members must register under their real name to use the Service. A person who registers under a false name or with another person’s information cannot use the Service, and a Member must comply when the Company requests documents needed to verify the real name, such as an identity verification certificate. If a Member refuses the Company’s request for documents, the Company is not responsible for any disadvantage arising because the user’s identity could not be verified.
4. ④As a rule, each Member uses one ID.
5. ⑤For particular services among those it provides, the Company may require separate agreement to individual service terms within its detailed guidelines. In that case a Member may freely agree to the individual service terms from one Account and may use the individual service within the scope agreed.
6. ⑥A Member who agrees to these Terms and registers for the Service may use the Company’s Service.

Article 5 (Acceptance of Applications)

1. ①When an applicant has accurately entered the required items and agreed to these Terms, the Company is deemed to have accepted the use of the Service after the mobile phone verification procedure set out in these Terms.
2. ②The Company may refuse to accept an application in any of the following cases.
   1. 1.The Company has deleted the Member’s Account.
   2. 2.A required item was left blank or another person’s information was entered in the application.
   3. 3.The application was made for the purpose of harming public peace, order or morals.
   4. 4.Under a law other than Korean law that is in force where the Member resides, use of the Service constitutes, or carries a significant risk of constituting, a violation of that law.
   5. 5.The application is found to violate these Terms or to be unlawful or improper.

Article 6 (Account Management)

1. ①An Account may be used only by the Member, and the Member may not allow anyone else to use it under any circumstances.
2. ②A Member must personally manage the information needed to log in so that no one else can use the Account without authorisation, and the Member bears all responsibility for this. Cases caused by the Company’s wilful misconduct or negligence are excepted.
3. ③A Member who becomes aware that the password has been stolen or is being used by a third party must notify the Company immediately and follow the Company’s instructions.
4. ④In the case of paragraph 2, the Company is not responsible for any disadvantage arising because the Member did not notify the Company or, having notified it, did not follow the Company’s instructions.
5. ⑤The Company is not responsible for damage to a Member caused by the loss, theft or disclosure of the Member’s password or other access information. Cases caused by the Company’s wilful misconduct or negligence are excepted.

Article 7 (Password Changes)

1. ①A Member who needs to change the password entered at first registration can do so in the account management area after logging in.

Article 8 (Notices and Update News)

1. ①The Company may provide Members with information it considers necessary during use of the Service, by notices, e-mail or other means.
2. ②When the Company notifies a Member of information related to the Service in operating it, it notifies the Member individually by a reasonably available method, such as sending e-mail to the address the Company holds for the Member.
3. ③For a notice to all Members, the Company may substitute posting in the notices section of the Service for 7 days or more for the notice under paragraph 1.

Article 9 (Obligations of the Company)

1. ①The Company does not engage in conduct prohibited by applicable law or these Terms or contrary to common sense, and does its best to provide the Service continuously and stably.
2. ②The Company maintains a security system to protect personal information so that Members can use the Service safely, and posts and complies with its privacy policy.
3. ③The Company maintains the staff and systems needed to handle Members’ complaints and requests for remedy arising from use of the Service appropriately.
4. ④Where the Company finds an opinion or complaint raised by a Member about use of the Service to be justified, it handles it. The Company informs the Member of the handling process and outcome by e-mail or other means.
5. ⑤The Company protects the private keys that Members enter and use through the Service against forgery, alteration and damage by electronic security measures and operational measures, and secures and manages them safely.

Article 10 (Obligations of Members)

1. ①A Member must not do any of the following.
   1. 1.Register false information
   2. 2.Use another person’s information
   3. 3.Alter information posted by the Company
   4. 4.Transmit or post information other than that specified by the Company, such as computer programs
   5. 5.Infringe the copyright or other intellectual property rights of the Company or third parties
   6. 6.Damage the reputation of, or interfere with the business of, the Company or third parties
   7. 7.Publish or post on the Service obscene or violent messages, images, audio or other information that violates public order
   8. 8.Use the Service for profit without the Company’s consent
   9. 9.Use the Service by abnormal means
   10. 10.Exchange transactions or the like for speculative purposes rather than normal use of the Service
   11. 11.Use the Service in a way that motivates or assists unlawful acts
   12. 12.Unlawful acts such as multi-level marketing or unauthorised deposit taking
   13. 13.Other unlawful or improper acts
2. ②A Member must comply with applicable law, these Terms, the usage guide, the cautions announced for the Service and the matters the Company notifies, and must not otherwise interfere with the Company’s business.
3. ③A Member must not, without the Company’s prior consent, copy, store, process or distribute the output data of the Service, or provide it to third parties, beyond the scope permitted by these Terms.

Article 11 (Copyright in the Service)

1. ①Copyright in the Service provided by the Company and in the related documents belongs to the Company.
2. ②A Member must not infringe the copyright of the Company or third parties when using the Service.
3. ③The Company’s acceptance of the use of the Service does not give the Member copyright in, or a licence to, the output of the Service.
4. ④When a screen is produced or used with the Company’s Service, it must state that the result comes from the Service. Where the Company has set a separate way of marking this, that way applies.

Article 12 (Types and Provision of the Service)

1. ①The Company provides Members with the following services.
   1. 1.WalletOne API (Octet API)
   2. 2.Octet Admin Service
   3. 3.Any other service the Company develops additionally or provides to Members through partnership agreements with other companies
2. ②In providing the Service the Company may specify its scope, the period of availability and the number of uses, and a Member may use the Service only under the conditions of provision the Company sets. In that case the Company informs the Member at the time of contract so that the Member can confirm them.
3. ③The Company may temporarily suspend the Service for maintenance, replacement or failure of computers or other information and communications facilities, loss of communications, or other substantial operational reasons.
4. ④The Company may carry out regular maintenance where needed to provide the Service, at the times announced on the Service screen. During regular maintenance, use of the Service may be partly or wholly restricted, and the Company is not responsible for damage arising from this unless caused by its wilful misconduct or negligence.
5. ⑤The Company bears no responsibility for restrictions on some functions of the Service caused by failure or maintenance of third-party services linked to the Service, unless caused by its wilful misconduct or negligence. In that case the Company announces or notifies the fact to Members.

Article 13 (Changes to and Suspension of the Service)

1. ①In the following cases, or where there is reasonable ground to suspect that such a case exists, the Company may change all or part of the Service it provides for operational or technical reasons.
   1. 1.An unlawful act has occurred through the Service.
   2. 2.Maintenance of computers or other information and communications facilities, replacement or failure of equipment, loss of communications or a similar event has occurred.
   3. 3.Unavoidable circumstances exist, such as maintenance of the facilities for the Service.
   4. 4.Normal use of the Service is hindered by a power failure, failure of facilities or a surge in usage.
   5. 5.A nationwide or regional network failure occurs.
   6. 6.Unavoidable circumstances, such as business reasons, make it impossible to provide the Service.
   7. 7.Other force majeure exists, such as a natural disaster, a national emergency, or regulation or restriction under the laws or policies of any country.
2. ②When the content, method of use or hours of the Service change, the reason for the change, the content of the changed Service and the date of provision are posted in the notices section of the Service before the change or notified under Article 8 (Notices and Update News). This does not apply where announcement or notice to Members is impossible for reasons beyond the Company’s control or because of urgency.
3. ③The Company may modify, suspend or change all or part of any service provided free of charge as its policy and operations require, and does not compensate Members for this unless applicable law specifically provides otherwise.
4. ④A Member who does not agree to a change to the Service may express refusal to the Company and terminate the Use Agreement.
5. ⑤The Company bears no responsibility for problems arising from a change to or suspension of the Service unless caused by its wilful misconduct or negligence.

Article 14 (Rescission and Termination)

1. ①Rescission or termination of the contract for the Service follows the conditions stated in the service use contract.

Article 15 (Restrictions on Use)

1. ①In any of the following cases the Company may restrict use of the Service in stages, by warning, suspension, permanent suspension or termination of the Use Agreement.
   1. 1.A hacking or fraud incident has occurred.
   2. 2.Identity theft is suspected.
   3. 3.A government agency has requested a restriction of the Service under applicable law.
   4. 4.The Member is, or is reasonably suspected of being, involved in money laundering, unfair trading or criminal activity.
   5. 5.The Member has breached an obligation under these Terms or interfered with the normal operation of the Service.
   6. 6.Another cause equivalent to the above has occurred, or measures are needed to prevent such a cause.
2. ②Where use of the Service is restricted under the preceding paragraph, the use restriction measures under Article 12 (Provision of the Service) may apply.
3. ③Notwithstanding the preceding paragraph, where the Company finds it necessary to stop use urgently, including violations of applicable law such as providing illegal programs or obstructing operation in breach of the Copyright Act and the Computer Programs Protection Act, or illegal communications, hacking, distribution of malicious programs or exceeding access rights in breach of the Information and Communications Network Act, it may immediately restrict use or permanently suspend it. On a restriction or permanent suspension under this paragraph, use of the Service is restricted or made partly or wholly impossible. In that case the Company notifies the Member in the manner set out in Article 8 (Notices and Update News).
4. ④Where use has been restricted or permanently suspended, the restriction may be lifted only when the Member meets the conditions for lifting set by the Company.
5. ⑤If a Member does not log in for one year or more, the Company may restrict use to protect member information and for operational efficiency.
6. ⑥Within the scope of restriction under this Article, the conditions and details of the restriction follow the common sense and practice of online services in general.
7. ⑦When the Company restricts use of the Service or terminates the agreement under this Article, it gives notice under Article 8 (Notices and Update News).
8. ⑧A Member may object to a restriction under this Article through the procedure set by the Company. If the Company finds the objection justified, it immediately resumes the Member’s use of the Service.

Article 16 (Limitation of Liability)

1. ①Where a Member suffers damage for any of the following reasons, the Company is not liable for the damage unless it was caused by the Company’s wilful misconduct or negligence.
   1. 1.The Service cannot be provided because of a natural disaster or an equivalent national emergency.
   2. 2.Use of the Service has become impossible through compliance with a de facto or legal administrative disposition or order of a government agency.
   3. 3.A Service failure has occurred because of a blockchain network failure or a cause attributable to the user.
   4. 4.A server failure has occurred because of a sudden increase in access to the Service.
   5. 5.Information, materials or facts posted by a Member in connection with the Service are found to have been altered or to be false as to reliability, accuracy or completeness.
   6. 6.Use of a service provided free of charge, where applicable law has no specific provision.
   7. 7.Transactions between Members, or between a Member and a third party, made through the Service.
   8. 8.A problem arising where no prior agreement or contract exists between the Company and the Member, or outside the scope of that agreement or contract.
   9. 9.Damage arising from a restriction or suspension of use under these Terms.
2. ②The Company is not liable for a Member’s failure to obtain, or loss of, profit expected from using the Service.
3. ③To the extent permitted by law, the Company makes no direct or indirect undertaking or warranty about any matter concerning the Service that is not stated in these Terms.

Article 17 (Damages)

1. ①Where a Member suffers damage for a reason attributable to the Company, the scope of the Company’s liability includes ordinary damages as defined in the Civil Act, and the Company is liable for damage arising from special circumstances only where it knew or could have known of those circumstances.
2. ②Notwithstanding paragraph 1, in any of the following cases the Member may bear all or part of the liability.
   1. 1.The Member knew the cause of the damage or that damage had occurred but did not notify the Company immediately.
   2. 2.The Member wilfully or negligently disclosed account or transaction information to a third party or let a third party use the Service without authorisation.
   3. 3.The Member’s wilful misconduct or negligence otherwise contributed to the damage.
3. ③The Company is not liable to compensate damage to a Member arising from a cause not attributable to the Company.
4. ④If information a Member has provided to the Company is untrue, the Company may at any time stop providing the Service and terminate all or part of the agreement under these Terms, and may claim compensation from the Member for any damage the Company suffers as a result.
5. ⑤A Member who causes damage to the Company through conduct contrary to law, these Terms or public order, wilfully or negligently, such as interfering with the operation of the Service or related systems, must compensate the Company for all damage suffered.

Article 18 (Governing Law and Jurisdiction)

1. ①Litigation between the Company and a Member is governed by the laws of the Republic of Korea.
2. ②Litigation over a dispute between the Company and a Member is subject to the exclusive jurisdiction of the district court for the Member’s address at the time of filing or, if there is no address, the Member’s place of residence. Where the Member’s address or residence is unclear at the time of filing, the competent court is determined under the Civil Procedure Act.
3. ③For a Member whose address or residence is outside Korea, notwithstanding the preceding paragraph, litigation over a dispute between the Company and the Member is subject to the jurisdiction of the Seoul Central District Court of the Republic of Korea.

Addendum

These Terms apply from 22 January 2026.