Chainstack Self-Hosted Terms of Service

Important Notice

READ THESE TERMS OF SERVICE (“TERMS”) CAREFULLY BEFORE INSTALLING, DEPLOYING, OR USING CHAINSTACK SELF-HOSTED. BY INSTALLING, DEPLOYING, OR USING THE SOFTWARE, YOU ACKNOWLEDGE THAT YOU HAVE READ THESE TERMS, UNDERSTAND THEM, AND AGREE TO BE BOUND BY THEM.

IF YOU ARE ACCEPTING THESE TERMS ON BEHALF OF A COMPANY, ORGANIZATION, OR OTHER LEGAL ENTITY (“ENTITY”), YOU REPRESENT AND WARRANT THAT YOU HAVE THE AUTHORITY TO BIND SUCH ENTITY TO THESE TERMS. REFERENCES TO “YOU” AND “USER” HEREIN REFER TO BOTH YOU AS AN INDIVIDUAL AND THE ENTITY ON WHOSE BEHALF YOU ARE ACCEPTING THESE TERMS.

IF YOU DO NOT AGREE TO THESE TERMS, DO NOT INSTALL, DEPLOY, OR USE THE SOFTWARE.

THE SOFTWARE IS LICENSED TO YOU, NOT SOLD.

1. Relationship with EULA and General Terms

These Terms govern your use of the Software.

The Software may be used:

(a) without a License Key, in which case only these Terms apply; or
(b) with a License Key, in which case your use of paid features is additionally governed by a separate End-User License Agreement (“EULA”).

In the absence of a valid EULA, no paid features may be accessed or used.

The general Chainstack Terms of Service available at https://chainstack.com/tos/ apply only to the extent that they are not inconsistent with these Terms.

In the event of conflict:

(a) these Terms shall prevail with respect to the Software;
(b) the EULA shall prevail with respect to paid features and commercial terms;
(c) the general Terms of Service shall apply only where not addressed in these Terms.

2. Definitions

“Affiliate” means any entity controlling, controlled by, or under common control with a party, where “control” means ownership of more than fifty percent (50%) of the voting securities of such entity.

“Chainstack” means Chainstack Pte. Ltd., a company incorporated in Singapore.

“Customer Infrastructure” means the hardware, Kubernetes clusters, cloud environments, networks, and other infrastructure owned or operated by you on which the Software is deployed.

“Documentation” means the user guides, installation instructions, release notes, and other technical documentation made available by Chainstack for the Software, as updated from time to time.

“Installation” means a single deployed instance of the Software on a discrete Kubernetes cluster within your infrastructure.

“License Key” means the unique digital credential issued by Chainstack that activates paid features of the Software and determines the capabilities available to the licensee. Use of the Software without a License Key is subject to these Terms; use with a License Key is additionally subject to the End-User License Agreement (“EULA”).

“Node” means a blockchain node deployed and managed through the Software.

“Snapshot Data” means blockchain state data obtained from third-party snapshot providers and made available through the Software to accelerate node deployment.

“Software” means the Chainstack Self-Hosted application, including all components, tools, interfaces, and utilities distributed by Chainstack as part of the product, in machine-readable object code form only.

“Supported Protocols” means the blockchain protocols for which the Software provides deployment and management capabilities, as described in the Documentation.

“Telemetry Data” means anonymized technical and usage data collected by the Software, as described in Section 9.

“Third-Party Components” means open-source software, blockchain clients, monitoring tools, and other third-party software components bundled with, embedded in, or required by the Software.

3. Scope

3.1. These Terms govern your use of the Software, regardless of whether you use the Software with or without a License Key, and regardless of whether you have a paid subscription.

3.2. If you purchase a License Key or subscribe to paid features of the Software, your use of those paid features is permitted only pursuant to a valid End-User License Agreement (“EULA”). In the absence of a valid EULA, no paid features may be accessed or used.

3.3. These Terms are supplementary to, and do not replace, the general Chainstack Terms of Service published at https://chainstack.com/tos/.

Where a matter is not addressed in these Terms, the general Terms of Service shall apply.

For clarity, the general Terms of Service primarily govern access to Chainstack-hosted services and accounts and do not modify these Terms except as expressly stated.

In the event of conflict regarding the Software, these Terms shall prevail.

4. Right to Use

4.1. Grant

Subject to the terms of these Terms, Chainstack grants you a limited, non-exclusive, non-transferable, non-sublicensable, revocable right to install and use the Software on your Customer Infrastructure for internal business purposes and not for the provision of services to third parties unless expressly permitted.

4.2. Use Without License Key

You may install and use the Software without a License Key, subject to these Terms. When used without a License Key, the Software operates with the base feature set and limitations as described in the Documentation. No subscription fee is required for use without a License Key.

4.3. Use With License Key

To access paid features, you must obtain a License Key and enter into a valid EULA. The EULA governs the license scope, feature entitlements, fees, and payment obligations associated with such use.

4.4. Authorized Users

The Software may be used by your employees and contractors acting on your behalf, provided they are bound by terms no less restrictive than these Terms and use the Software solely for your internal business purposes.

5. Use Restrictions

5.1. Prohibited Conduct

You shall not, and shall not permit any third party to:

(a) use the Software for any unlawful, harmful, or abusive purpose, including but not limited to malware distribution, intellectual property infringement, or fraudulent activity;

(b) reverse-engineer, decompile, disassemble, or otherwise attempt to derive the source code of the Software, except to the extent expressly permitted by applicable law that cannot be waived by contract;

(d) copy, redistribute, sublicense, rent, lease, or lend the Software or any portion thereof;

(e) remove, alter, or obscure any proprietary notices, labels, or marks on the Software;

(f) circumvent, disable, or interfere with any technical protection measures in the Software, including but not limited to License Key validation mechanisms, usage quotas, or feature restrictions;

(g) use the Software to provide hosted or managed services to third parties, unless expressly authorized by Chainstack in a separate written agreement;

(h) interfere with the normal operation, security, or integrity of the Software; or

(i) benchmark, test, or evaluate the Software for the purpose of publishing comparative analyses unless such benchmarking is fair, accurate, reproducible, and does not misrepresent the Software.

6. Customer Infrastructure

6.1. Your Responsibility

You are solely responsible for providing, maintaining, and securing the Customer Infrastructure on which the Software is deployed. This includes, without limitation, hardware, operating systems, Kubernetes clusters, networking, storage, internet connectivity, and cloud environments.

6.2. System Requirements

The Software must be deployed on infrastructure that meets the minimum requirements specified in the Documentation. Chainstack makes no warranties regarding the performance, stability, or availability of the Software when deployed on infrastructure that does not meet these requirements.

6.3. Access and Security

You are responsible for safeguarding all access credentials, administrative accounts, and security configurations associated with the Software and the Customer Infrastructure.

6.4. Network Connectivity

Certain features of the Software require outbound network connectivity, including Telemetry Data transmission (Section 9), retrieval of Snapshot Data, software update checks, and, where applicable, License Key validation. You are responsible for ensuring adequate network connectivity as specified in the Documentation.

6.5. Configuration Responsibility

You are solely responsible for all configurations, deployment parameters, and operational settings of the Software. Chainstack shall not be responsible for any issues arising from misconfiguration or improper use of the Software.

7. Third-Party Components and Snapshot Data

7.1. Third-Party Components

The Software incorporates Third-Party Components, including open-source blockchain clients, monitoring tools, and other software. A list of Third-Party Components and their applicable licenses is provided in the NOTICES file distributed with the Software and available in the Documentation.

7.2. Third-Party Licenses

Your use of Third-Party Components is subject to the applicable third-party license terms. In the event of conflict between these Terms and a third-party license with respect to a specific Third-Party Component, the third-party license shall prevail for that component.

7.3. Snapshot Data

The Software may facilitate the retrieval of Snapshot Data from third-party providers to accelerate blockchain node deployment. Chainstack does not own, control, or guarantee the accuracy, completeness, integrity, or availability of Snapshot Data. You acknowledge that:

(a) Snapshot Data is provided by independent third parties and is not warranted by Chainstack;
(b) Chainstack is not liable for any losses, damages, or inaccuracies resulting from the use of Snapshot Data; and
(c) availability of Snapshot Data for specific protocols or networks may change without notice.

Chainstack does not verify, audit, or validate Snapshot Data for accuracy, security, or integrity and disclaims any responsibility for any malicious code, corrupted data, security vulnerabilities, or other harmful content contained therein.

8. Updates and Version Support

8.1. Availability

Chainstack may, at its discretion, make updates, patches, and new releases of the Software available. The availability, frequency, and scope of updates may vary based on whether you hold a License Key and the terms of any applicable EULA.

8.2. Version Support

Chainstack’s version support policy is described in the Documentation. You acknowledge that Chainstack may limit support to a defined number of major versions and that running unsupported versions of the Software may result in reduced functionality, unresolved defects, and security vulnerabilities for which Chainstack bears no responsibility.

8.3. Update Responsibility

You are responsible for applying updates and patches to the Software on your Customer Infrastructure. Chainstack is not liable for any issues arising from your failure to apply available updates within a reasonable timeframe, or from running unsupported versions of the Software.

8.4. Backward Compatibility

Updates may modify, replace, or remove existing features and may not be backward compatible.

9. Intellectual Property

9.1. Chainstack Ownership

The Software and all related technology, documentation, trademarks, and updates are and shall remain the exclusive property of Chainstack and its licensors. These Terms do not convey to you any rights of ownership in or to the Software, and are not a sale of any rights in the Software.

9.2. Feedback

If you provide Chainstack with suggestions, ideas, enhancement requests, or other feedback relating to the Software (“Feedback”), you hereby grant Chainstack a non-exclusive, perpetual, irrevocable, royalty-free, worldwide license to use, reproduce, modify, and incorporate such Feedback into the Software or other Chainstack products without restriction or obligation to you.

9.3. Your Data

You retain all ownership rights in the data, configurations, logs, and blockchain data you generate, store, or process through the Software (“Customer Data”). Chainstack claims no ownership of Customer Data. Customer Data stored on your Customer Infrastructure remains your property at all times, including after termination of these Terms.

10. Telemetry Data

10.1. Collection

The Software collects Telemetry Data, which may include system performance metrics, feature usage statistics, error reports, installation configuration data, and protocol/node deployment information. Telemetry Data is anonymized and is not intended to include personally identifiable information, although certain infrastructure metadata may be processed.

10.2. Purpose

Chainstack uses Telemetry Data to maintain, improve, and develop the Software, monitor aggregate usage patterns, identify and resolve defects, and plan product development.

10.3. Separation from License Validation

Telemetry Data collection is technically and functionally separate from any License Key validation mechanism. Where applicable, License Key validation data is used solely to verify license compliance; Telemetry Data is used solely for product improvement purposes.

10.4. Data Processing

To the extent Telemetry Data constitutes personal data under applicable law, Chainstack processes such data as a data controller for the purposes described in Chainstack’s Privacy Policy.

10.5. Required Collection

Telemetry Data collection may be required for operation of certain features of the Software.

11. Warranties and Disclaimers

11.1. Limited Warranty

Chainstack warrants that the Software will perform substantially in accordance with the Documentation when deployed on Customer Infrastructure that meets the requirements specified in the Documentation.

11.2. Disclaimer

Except as expressly set forth in Section 10.1, the Software is provided “as is” and “as available.” Chainstack disclaims all other warranties, whether express, implied, statutory, or otherwise, including, without limitation, warranties of merchantability, fitness for a particular purpose, title, and non-infringement.

11.3. No Uptime Guarantee

The Software is installed and operated on your Customer Infrastructure. Chainstack does not warrant or guarantee any level of uptime, availability, or performance of the Software. The availability and performance of the Software depend on your Customer Infrastructure, network connectivity, and operational practices, which are outside Chainstack’s control.

11.4. Third-Party Components and Snapshot Data

Chainstack makes no warranties with respect to Third-Party Components or Snapshot Data. Such components and data are provided subject to their respective third-party terms and without warranty of any kind from Chainstack.

11.5. Unsupported Configurations

Chainstack makes no warranties regarding the performance, security, or stability of the Software when deployed on infrastructure that does not meet the requirements in the Documentation, when running unsupported versions of the Software, or when used in configurations not described in the Documentation.

11.6. No Support Obligation

Chainstack has no obligation to provide support, maintenance, updates, or services unless agreed separately in a written agreement.

11.7. No Infringement Guarantee

Chainstack does not warrant that the Software, when used with Third-Party Components, blockchain protocols, or external systems, will be free from third-party intellectual property claims.

12. Limitation of Liability

12.1. Exclusion of Damages

To the maximum extent permitted by applicable law, in no event shall Chainstack be liable for any indirect, incidental, special, consequential, or punitive damages, including, without limitation, loss of profits, loss of data, loss of business, business interruption, or cost of procurement of substitute services, arising out of or in connection with these Terms or the use or inability to use the Software, regardless of the cause of action or theory of liability, even if Chainstack has been advised of the possibility of such damages.

12.2. Liability Cap

To the maximum extent permitted by applicable law, Chainstack’s total aggregate liability under these Terms shall not exceed one hundred Singapore dollars (SGD 100).

12.3. Blockchain Disclaimer

You acknowledge that the Software facilitates the deployment and management of blockchain infrastructure and that blockchain networks are inherently decentralized and subject to risks including, without limitation, protocol-level bugs, consensus failures, network forks, and changes in third-party client software. Chainstack is not liable for any losses arising from the operation or behavior of blockchain networks, protocols, or third-party clients deployed through the Software.

12.4. Exceptions

Nothing in these Terms shall exclude or limit liability to the extent such liability cannot be excluded or limited under applicable law, including liability for death or personal injury caused by negligence, fraud, or willful misconduct.

13. Term and Termination

13.1. Term

These Terms are effective from the date you first install, deploy, or use the Software and remain in effect until terminated.

13.2. Termination by You

You may terminate these Terms at any time by uninstalling the Software and destroying all copies in your possession or control.

13.3. Termination by Chainstack

Chainstack may terminate these Terms immediately upon written notice if you breach any material term of these Terms and fail to cure such breach within thirty (30) days of receiving written notice of the breach.

13.4. Effect of Termination

Upon termination of these Terms:

(a) all rights granted to you under these Terms shall immediately cease;
(b) you shall promptly uninstall the Software and destroy all copies in your possession or control; and
(c) Sections 1, 6.3, 8, 9, 10, 11, 12.4, 12.5, 13, and 14 shall survive termination.

13.5. Customer Data

Customer Data stored on your Customer Infrastructure remains your property after termination of these Terms. Chainstack has no obligation to maintain, migrate, or provide access to Customer Data after termination.

14. General Provisions

14.1. Governing Law

These Terms shall be governed by and construed in accordance with the laws of Singapore, without regard to its conflict of laws principles. Any disputes arising out of or in connection with these Terms shall be submitted to the exclusive jurisdiction of the courts of Singapore.

14.2. Entire Agreement

These Terms, together with any applicable EULA and the documents referenced herein, constitute the entire agreement between you and Chainstack with respect to the Software and supersede all prior or contemporaneous communications and proposals, whether oral or written, with respect to its subject matter.

14.3. Severability

If any provision of these Terms is held to be unenforceable or invalid, such provision shall be modified to the minimum extent necessary to make it enforceable, and the remaining provisions shall continue in full force and effect.

14.4. No Waiver

The failure of Chainstack to enforce any right or provision of these Terms shall not constitute a waiver of such right or provision.

14.5. Assignment

You may not assign or transfer these Terms, or any rights or obligations hereunder, without Chainstack’s prior written consent. Chainstack may assign these Terms without restriction. Any attempted assignment in violation of this section shall be void.

14.6. Notices

Notices under these Terms shall be in writing. Notices to Chainstack shall be sent to [email protected].

14.7. Export Compliance

You shall comply with all applicable export control and sanctions laws and regulations in connection with your use of the Software. You represent that you are not located in, organized under the laws of, or a resident of any country or territory subject to comprehensive trade sanctions, and that you are not listed on any applicable restricted party list.

15. Indemnification

You agree to indemnify, defend, and hold harmless Chainstack, its affiliates, officers, directors, employees, and agents from and against any and all claims, demands, actions, proceedings, damages, losses, liabilities, costs, and expenses (including reasonable attorneys’ fees) arising out of or related to:

(a) your use of the Software in violation of these Terms;
(b) your violation of any applicable law, regulation, or third-party rights;
(c) your use, deployment, or operation of the Software in connection with any services provided to third parties; or
(d) any Customer Data, configurations, or materials processed, stored, or transmitted using the Software.

Chainstack reserves the right, at its own expense, to assume the exclusive defense and control of any matter subject to indemnification by you, in which case you agree to cooperate with Chainstack in the defense of such claim.

You shall not settle any claim that imposes any liability or obligation on Chainstack without Chainstack’s prior written consent, such consent not to be unreasonably withheld.