Terms of
Service

These Terms of Service ("Terms") constitute a legally binding agreement between you ("Developer," "you," or "your") and SigChain Guard ("SCG," "we," "us," or "our"), governing your access to and use of the SigChain Guard platform, SDK, API, dashboard, and related services (collectively, the "Service").

By accessing the Service you confirm that you have read, understood, and agree to these Terms, along with our Privacy Policy, which is incorporated herein by reference.

SigChain Guard is built for game developers — including independent developers, small studios, and established companies. We believe anyone with the drive to build a Unity VR game deserves access to professional-grade security tooling, regardless of the size of their operation.

Age requirement: You must be at least 11 years old to use the Service. Users between the ages of 11 and 17 must have the consent of a parent or legal guardian, who agrees to these Terms on their behalf and accepts full responsibility for their use of the Service. By using the Service, you represent that you meet this requirement or that your parent or guardian has consented on your behalf.

If you are using the Service on behalf of a company or organization, you represent that you have the authority to bind that entity to these Terms.

To use the Service you must create an account using a valid email address and password. You are responsible for maintaining the confidentiality of your login credentials and for all activity that occurs under your account.

App Verification (BTKV): Before an API key is issued, you must complete our Beta Test Key Verification process. This requires submitting your APK so we can extract and verify your app's signing certificate fingerprint and package name. This process confirms you are the legitimate owner of the application you are registering. Attempting to register an application you do not own is a violation of these Terms and grounds for immediate termination.

You agree to provide accurate information during registration and to keep it current. We reserve the right to suspend or terminate accounts that we determine, in our reasonable judgment, contain false or misleading information.

You may not share your account, API key, or access credentials with third parties. Your API key is cryptographically bound to your verified application — it cannot be reused for a different app and should be treated as confidential.

Subject to your compliance with these Terms and payment of applicable fees, SigChain Guard grants you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to:

This license does not permit you to:

All rights not expressly granted herein are reserved by SigChain Guard.

You may use the Service for any Unity VR game application provided that your game does not facilitate, enable, or promote content or activity that:

We provide a security layer — we do not monitor, review, or take responsibility for the content of games that integrate our SDK. We are not affiliated with, endorsed by, or responsible for any game using our Service beyond the technical security function we provide.

If you become aware of a game using SCG that you believe violates these terms or applicable law, you may report it to us. We will review reports in good faith and take action where appropriate under our policies.

Prohibited technical actions: You may not attempt to stress test, attack, probe, or deliberately abuse our API or backend infrastructure. Any such activity — whether intentional or through negligent integration — will result in immediate account termination and a permanent ban from the Service, with no refund issued. We reserve the right to pursue legal remedies for damages caused by deliberate attacks on our systems.

The Service is offered on a monthly subscription basis. Pricing is as published on our pricing page at the time of your subscription. By subscribing, you authorize us to charge your payment method on a recurring monthly basis.

MAU Limits: Each plan includes a monthly active user (MAU) limit. If you exceed your plan's MAU limit, we will automatically grant a one-time 10% overage allowance. This overage may be granted a maximum of twice per account lifetime. If your usage exceeds your limit a third time, all validation calls will be paused and return a QUOTA_EXCEEDED error until you upgrade your plan or the billing period resets.

Payment failure: If your payment method fails, we will notify you by email. Your API key will remain active for a brief grace period during which you may update your payment method. If payment is not resolved, validation calls will return a CHECK_DASHBOARD error and your account will be suspended until the outstanding balance is settled.

All fees are non-negotiable and are stated in US dollars. You are responsible for any applicable taxes in your jurisdiction.

We want you to feel confident trying SigChain Guard. Our refund policy is designed to be fair to both sides.

Refunds will not be issued after 7 days on a first subscription, or where the API key was actively used during the billing period. Accounts terminated for violations of these Terms are not eligible for refunds.

Termination by you: You may cancel your subscription at any time through your dashboard. Upon cancellation, your account will remain active until the end of the current billing period. After that, all validation calls will cease and your data will be retained for 7 days before permanent deletion.

Termination by us: We may suspend or terminate your account immediately and without notice if we determine, in our reasonable judgment, that you have:

Accounts terminated for violations are permanently banned and are not eligible for re-registration. Accounts terminated for non-payment may be reinstated upon settlement of the outstanding balance.

Data deletion: Upon termination for any reason, all data associated with your account — including game registrations, player HWIDs, validation logs, and API keys — will be permanently deleted 7 days after the effective termination date. This cannot be reversed. We recommend exporting any data you need before cancelling.

We take data minimization seriously. SCG collects only what is necessary to provide the Service.

What we collect: Hardware identifiers (one-way hashed — not reversible), validation results, device signals, and account information you provide during registration. We do not collect player names, email addresses, payment information from end users, or any content from within your game.

What we do not do: We do not sell your data or your players' data to any third party. We do not use your data to train AI models. We do not share your data with advertisers.

Your players' data: You are the data controller for your players. You are responsible for ensuring your game's privacy practices comply with applicable law, including notifying your players that a third-party security SDK is in use. Our Privacy Policy provides full detail on our data handling practices.

Retention: Data is retained for the duration of your active subscription and deleted 7 days after termination or cancellation.

SigChain Guard retains all right, title, and interest in and to the Service, including the SDK, Java bridge, backend systems, API, dashboard, documentation, and all related software, methodologies, and know-how — whether or not patented or patentable.

You retain all rights to your game application. Integrating our SDK does not give us any ownership or claim over your game or its content.

Any feedback, suggestions, or feature requests you submit to us may be used by SigChain Guard without obligation or compensation. You waive any moral rights in such feedback to the extent permitted by applicable law.

The SigChain Guard name, logo, and SCG mark are proprietary. You may reference them for the purpose of indicating that your game uses the Service (e.g. "Protected by SigChain Guard"), but you may not use them in any way that implies partnership, endorsement, or affiliation beyond that.

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE." TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, SIGCHAIN GUARD DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

We do not warrant that the Service will be uninterrupted, error-free, or completely secure. No anti-cheat system — including SCG — can guarantee 100% prevention of cheating or tampering. We are not liable for any cheating, exploitation, or security incident that occurs in your game.

TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT WILL SIGCHAIN GUARD BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING LOST PROFITS, LOST REVENUE, LOSS OF DATA, OR LOSS OF GOODWILL, ARISING OUT OF OR RELATED TO YOUR USE OF THE SERVICE.

Our total aggregate liability to you for any claims arising out of or related to these Terms or the Service shall not exceed the total fees you paid to us in the three months immediately preceding the event giving rise to the claim.

You agree to indemnify, defend, and hold harmless SigChain Guard and its operators from and against any claims, liabilities, damages, losses, and expenses — including reasonable legal fees — arising out of or related to:

We reserve the right, at our own expense, to assume exclusive defense and control of any matter subject to indemnification by you, in which case you agree to cooperate with our defense.

We target 99.9% API availability. Current service status is displayed in your dashboard at all times.

Outage credit: If downtime caused by SCG exceeds 2 continuous hours in any calendar month, we will credit that month's subscription fee to your account automatically. Credits are applied to future billing and are not redeemable for cash.

Planned maintenance will be announced at least 24 hours in advance via your dashboard and by email. Planned maintenance windows do not count toward the outage credit threshold.

We are not responsible for downtime caused by third-party services (including payment processors, cloud infrastructure providers, or internet service providers), your own infrastructure, or events outside our reasonable control.

We reserve the right to modify these Terms at any time. We will notify you of material changes by email and by posting an update notice in your dashboard at least 30 days before the changes take effect.

Your continued use of the Service after the effective date of updated Terms constitutes your acceptance of those changes. If you do not agree to the updated Terms, you must stop using the Service and cancel your subscription before the effective date.

We will maintain a version history of these Terms so you can review what changed between versions.

Informal resolution first: Before initiating any formal dispute, you agree to contact us at support@sigchainguard.com and attempt to resolve the dispute informally. We will make good-faith efforts to resolve it within 30 days. Most issues can be resolved quickly this way.

Binding arbitration: If informal resolution fails, any dispute, claim, or controversy arising out of or relating to these Terms or the Service shall be resolved by binding arbitration administered by the American Arbitration Association (AAA) under its Commercial Arbitration Rules. The arbitration will be conducted by a single neutral arbitrator. The arbitrator's decision is final and binding and may be entered as a judgment in any court of competent jurisdiction.

Exceptions: Either party may seek injunctive or equitable relief in court to prevent infringement of intellectual property rights or unauthorized use of the Service. Small claims court is also available where applicable.

Class action waiver: You agree that any dispute will be resolved on an individual basis only. You waive your right to participate in any class action lawsuit or class-wide arbitration against SCG.

Opt-out: You may opt out of arbitration by sending written notice to support@sigchainguard.com within 30 days of first agreeing to these Terms. Your opt-out notice must include your name, account email, and a clear statement that you are opting out of arbitration.

Governing law: These Terms are governed by the laws of the United States without regard to conflict of law principles. The Federal Arbitration Act governs all arbitration provisions.

Entire agreement: These Terms, together with our Privacy Policy, constitute the entire agreement between you and SigChain Guard regarding the Service and supersede all prior agreements or understandings.

Severability: If any provision of these Terms is found to be unenforceable, the remaining provisions will continue in full force and effect.

No waiver: Our failure to enforce any right or provision of these Terms will not be considered a waiver of that right or provision.

Force majeure: Neither party will be liable for failure to perform obligations under these Terms due to events beyond their reasonable control, including natural disasters, cyberattacks by third parties, internet outages, or government actions.

Assignment: You may not assign or transfer your rights under these Terms without our prior written consent. We may assign our rights without restriction, including in connection with a merger, acquisition, or sale of assets.

Notices: Legal notices to SCG must be sent to support@sigchainguard.com. We may send notices to you at the email address associated with your account.

If you have questions about these Terms, want to report a concern, or need to send a legal notice, contact us at:

We try to respond to all inquiries within 2 business days. We try to be honest about what we can and cannot do — if you have a concern about the Service, reach out before escalating and we will do our best to make it right.