Service legal standards — Blockchain Nodes – Web3
PART I - PURPOSE AND SCOPE
1.1. This legal standard (“Documentation”) sets forth the standard terms and conditions applicable to the provision and use of the Blockchain Nodes and Web3 infrastructure service group (“Service”) provided by Pho Tue SoftWare Solutions JSC (“HiTechCloud”) to customers (“Customer”).
1.2. The Documentation applies to all Contracts, Orders, Appendices, or electronic service order confirmations referencing this Documentation. In case of conflict, separate commercial Terms signed between the two Parties shall take precedence, followed by this Documentation, and the policies published at https://hitechcloud.vn/tai-lieu-ho-tro/.
1.3. Service scope includes providing infrastructure for operating blockchain nodes (full node, validator node, RPC node), blockchain access APIs, and infrastructure serving the Customer's Web3 applications.
Part II – Definitions
2.1. “Node” is a server running blockchain protocol software selected by the Customer, operating on HiTechCloud infrastructure.
2.2. “Private key” is a private key that controls encrypted assets or validator signing rights, generated and held by the Customer.
2.3. “Slashing” is a protocol penalty mechanism against validators that violate consensus rules (double signing, downtime, etc.), resulting in the loss of a portion of staked assets.
2.4. “Protocol events” are events at the blockchain protocol layer beyond HiTechCloud's control, such as hard forks, network congestion, consensus parameter changes, and protocol software bugs.
2.5. “Crypto assets” are tokens, coins, or other digital assets associated with the relevant blockchain.
Part III – Service description and configuration
3.1. HiTechCloud provides compute, storage, network infrastructure, and node deployment tools according to the service plan configuration; the selection of protocols, node software versions, and operational parameters is at the discretion of the Customer.
3.2. The Service may include support for updating node software versions according to a schedule approved by the Customer; required upgrades due to hard forks are notified based on public information from the protocol community.
3.3. HiTechCloud is a technology infrastructure provider, not a crypto asset exchange, and does not provide custody services, investment advisory, or release of crypto assets.
Part IV – SLA and compensation
4.1. HiTechCloud commits to a minimum monthly Node infrastructure availability of 99.5% at the infrastructure layer (Server, network, power); Node Performance and synchronization state also depend on Protocol Events and fall outside the scope of commitment.
4.2. HiTechCloud is not liable for damages arising from Protocol Events, value fluctuations of Encrypted Assets, or operational decisions made by the Customer; Slashing risks belong to the Customer, unless Slashing arises directly and solely from a confirmed infrastructure commitment Violation by HiTechCloud, in which case the general Limitation of liability in this Documentation applies.
4.3. The sole remedy when HiTechCloud violates the SLA is a fee deduction in the subsequent billing cycle according to the published deduction schedule; the Customer has no right to request a cash refund or any other form of compensation for SLA violations.
4.4. HiTechCloud's total indemnity arising from or related to the Service shall under no circumstances exceed the total fees paid by the Customer for the most recent service cycle; HiTechCloud is not liable for indirect, consequential damages, lost profits, business opportunities, lost data, or reputational damage.
4.5. Planned maintenance is notified at least 48 (forty-eight) hours in advance via Email or the management portal; planned maintenance duration, force majeure events, and interruptions due to Customer fault are not counted as SLA violation time.
PART V - FEES AND PAYMENT
5.1. The Customer shall make advance Payment of 100% of the service cycle value within 03 (three) working days from the date HiTechCloud Releases the fee notice or Invoice, unless otherwise stipulated by a separate Contract.
5.2. Overdue payment amounts are subject to a late payment interest rate of 0.05%/day calculated on the overdue amount, from the overdue date until the actual payment date.
5.3. HiTechCloud reserves the right to suspend the Service after 07 (seven) days of late payment and execute Service termination after 15 (fifteen) days of late payment without compensation; the Customer remains under obligation to pay all fees incurred up to the termination date.
PART VI – RIGHTS AND OBLIGATIONS OF THE PARTIES
6.1. HiTechCloud does not create, hold, or request the provision of the Customer's Private key in any form; the Customer is solely responsible for safeguarding the Private key, and losing the Private key entails an irreversible loss of asset control that cannot be Restored.
6.2. The Customer warrants that its Web3 activities comply with Vietnamese law and the laws of the jurisdiction where services are provided, including regulations on anti-money laundering and digital asset management from time to time.
6.3. HiTechCloud reserves the right to refuse or discontinue service for protocols or projects showing signs of legal Violation or receiving an Alert from competent authorities.
Part VII – Acceptable use and prohibited conduct
7.1. Using the Services for money laundering, terrorism financing, anonymous coin mixing for criminal purposes, operating unauthorized exchanges, or the Release of crypto assets in Violation of legal Regulations is prohibited.
7.2. Using Node infrastructure to attack blockchains (51% attacks, malicious front-running for illegal purposes) or exploit Third party smart Contract vulnerabilities to misappropriate assets is prohibited.
7.3. The Customer shall not use the Service to violate Vietnamese law, infringe upon national security, distribute malware, attack third-party systems, or infringe upon the intellectual property rights or personal data of any organization or individual; HiTechCloud reserves the right to immediately suspend services upon detecting a violation.
Part VIII – Security and personal data
8.1. Each Party undertakes to maintain the Information security of the other Party's non-public information obtained during the provision and use of the Service, and to use it solely for the purpose of Service performance; the confidentiality Obligation shall survive for 03 (three) years after Service termination, unless otherwise required by Law or a competent State authority.
8.2. Personal data processing complies with the Law on Personal Data Protection No. 91/2025/QH15 (Luật Bảo vệ dữ liệu cá nhân số 91/2025/QH15) and Decree No. 356/2025/NĐ-CP (Nghị định số 356/2025/NĐ-CP) detailing a number of Articles of the Law on Personal Data Protection; HiTechCloud only processes Personal data pursuant to lawful instructions from the Customer, applies appropriate technical and organizational measures, and notifies the Customer upon detecting an Incident of Personal data disclosure or loss in accordance with legal regulations.
8.3. Data on public blockchains is immutable and cannot be deleted; Customers should consider not placing personal data on-chain. Off-chain operational data is protected under the Law on Personal Data Protection (Luật Bảo vệ dữ liệu cá nhân) No. 91/2025/QH15 and Decree No. 356/2025/ND-CP.
PART IX – SUSPENSION AND TERMINATION
9.1. HiTechCloud reserves the right to suspend part or all of the Service when: (i) the Customer is overdue on Payment by more than 07 (seven) days; (ii) the Customer violates the acceptable use Regulation; (iii) requested by a competent State authority; or (iv) necessary to prevent system security risks.
9.2. Each Party has the right to effect Service termination if the other Party commits a Violation of a fundamental Obligation and fails to remedy it within 15 (fifteen) days from the date of receiving written Notification; HiTechCloud has the right to terminate after 15 (fifteen) days from the date the Customer is suspended due to late Payment without making full Payment.
9.3. Within 07 (seven) days from the date of Service termination, the Customer will be supported in exporting data in common formats; upon expiration of this period, all Customer data will be permanently Deleted from the system and cannot be Restored, and HiTechCloud has no Obligation for further retention.
PART X – VALIDITY AND APPLICABLE LAW
10.1. This Documentation is an integral part of the Service Agreement and the policies published at https://hitechcloud.vn/tai-lieu-ho-tro/; the Customer registering, making payment, or continuing to use the Service constitutes acceptance of the entire Documentation.
10.2. This Documentation and related contracts, appendices, and electronic confirmations may be signed using digital signatures pursuant to the Law on Electronic Transactions No. 20/2023/QH15 (Luật Giao dịch điện tử số 20/2023/QH15) and Decree No. 23/2025/NĐ-CP on electronic signatures and trust services (Nghị định số 23/2025/NĐ-CP), holding legal validity equivalent to paper documents with direct signatures and seals.
10.3. The Documentation is governed by Vietnamese law. All disputes shall first be resolved through negotiation and mediation within 30 (thirty) days; if unsuccessful, the dispute shall be submitted to the competent People's Court in Ho Chi Minh City for resolution.
Documentation issued by HiTechCloud and subject to amendment with 30-day prior notification on https://hitechcloud.vn/tai-lieu-ho-tro/.
