AntSentry Privacy Policy

Last Update: January 20 2022

We respect the privacy of our users and website visitors (collectively, “you”) and are committed to protecting your personal information and online privacy. The Privacy Policy for AntSentry (hereinafter referred to as the “Privacy Policy”) outlines the process by which Bitmain Technologies Limited (hereafter referred to as “AntSentry” or “we” or the “Website” or the “Company”) process your personal information.

This Private Policy applies to the products or services we provide to you, please take a moment to read this Private Policy. We will post a new privacy policy on this page to notify you of any changes. We encourage you to periodically review this Privacy Policy to understand the changes. Changes to this Privacy Policy are effective as of the time they are posted on this page. If a separate privacy policy that we post for a particular product or service is inconsistent with this Privacy Policy, the separate privacy policy will prevail with respect to that particular product or service.

Please let us know if you have any questions. By using AntSentry and/or visiting the Website, you acknowledge that you agree to our collection and use of your personal information in accordance with this Privacy Policy. If you do not agree, please immediately stop using AntSentry and/or visit the Website.

I.How We Collect and Use Your Personal Information

We may use your personal information to provide and improve the miner monitoring, operation and maintenance and related management services (hereinafter referred to as “Services”) that AntSentry provides to you and to improve your experience on this website. “Personal Information” refers to all kinds of information related to identified or identifiable natural persons recorded by electronic or other means, excluding the information processed anonymously. When you create an account for using the service, we collect the information you provide to us.

We also use a variety of techniques to collect and store information, including cookies, pixel tags, local storage (such as browser network storage or application data cache, database and server logs). We process your personal information in accordance following the principles of lawfulness, legitimacy, necessity, good faith, openness and transparency, and quality assurance, for the purposes of and in the manner and to the extent described in this Privacy Policy. If the information we collect contains any sensitive personal information about you, we will obtain your separate consent or satisfy other bases of legality as required by law or regulation.

1. View Website and Its Content

AntSentry collects information (hereinafter referred to as “log data”) sent by your browser when you browse the Website from your computer or mobile device. This log data may include the following information: your computer's Internet Protocol (hereinafter referred to as “IP”) address, browser type, browser version, page of services you visit, access time and date, time spent on these pages, and more Statistical data. In addition, we may use third-party services such as Google Analytics to collect, monitor, and analyze such information to enhance the functionality of our services. These third-party service providers have their own privacy policies that explain how they use this information. These third-party service providers can only view and use your personal data when needed to perform tasks on our behalf.

2. Registration and Identity Authentication

You first need to create your account to use AntSentry. When you create an account, you will need to provide data, including your email address, phone number, password, or other information.

If you refuse to provide the above information, we will not be able to provide you with the service.

3.Log in and Use AntSentry

When you log in AntSentry, we will collect the aforementioned log data, and your mobile number, email address and password you volunteered to provide.

You can use information browsing, mining machine management, data analysis, warning notification and other functions provided by AntSentry. In order to use AntSentry, you first need to add your mining machine information to the Website, including but not limited to, device brand, device category, device quantity, mining pool information, electricity fees information and other data. In order to send you important notifications related to the services, we will send you information through your email address, mobile number and other contact information you provide.

4. Technical Support

In order to troubleshoot when you send us error reports, provide technical support to you and protect the safety of our products, services and users, we will use the aforementioned log data and any other data you voluntarily provide as is necessary for us to provide you with technical support. If you do not agree to provide the aforesaid data, you will be deemed to reject troubleshoot provided by us.

5. Subscription Service

Upon your express consent or initiative request, we will send you information about products and services you might be interested in, invite you to our promotional activities and market surveys, or send marketing information to you. If you do not want to receive such information, you can opt-out at any time.

6. Improve Quality of Service

We will use your log data to provide you with a personalized user experience and content, including credit-to-issue services and special services for large customers. Meanwhile, we will carry out internal auditing, data analysis, and research; analyze business operation efficiency and measure market shares to improve our products and services. We will also provide you with options that do not target your personal characteristics, or convenient rejection ways shall be provided to you as far as practicable. If the processing of your disclosed personal information has a major impact on your rights and interests, you have the right to ask us to explain as well as reject the decision made by us only through automatic decision-making. If you have any questions, you may contact us through the contact details described in “XIII.Contact Us” of this Privacy Policy.

We will also collect user feedback you voluntarily provide. The feedback you choose to provide is important to help us improve its services. To process your feedback, we may use the personal information you provide to contact you and keep records.

7. Comply with all applicable laws and regulations and enforce our Service Agreement.

II.Information about Cookies and Other Technologies

1. Cookie

A cookie is a text file stored by a web server on a computer or mobile device, and the content of a cookie can be retrieved and read-only by the server that created the cookie. Cookies are unique to the browser or mobile application you are using. The text in a cookie often consists of identifiers, site names, and some numbers and characters.

In order to give you a better website access experience, we use “cookies” to allow this website to identify your browser and store user preferences and other information. You may modify the acceptance of cookies or reject our cookies if your browser or browser additional services allow it. For more information, see However, if you do this, in some cases it may affect your experience of visiting our website or the inability to use some of our services.

2. Web Beacons and Pixel Tags

AntSentry and some third parties may also use web beacons and pixel tags on websites. A web beacon is usually an electronic graphic image embedded into a website or email to identify your device cookies when you browse the website or email. Pixel tags allow us to send emails in a way that is readable to you and find out whether an email is opened.

AntSentry and some third parties use these technologies for various purposes, including analyzing service usage (together with cookies) and providing more satisfactory content and advertisements to you. For example, when you receive an email from us, it may contain a click-through URL that links to an AntSentry web page. If you click the link, we will track your visit to help us learn about your preferences for products and services and improve our service. You can unsubscribe from our mailing list at any time if you do not want to be tracked in this manner.

3. Other Local Storage

AntSentry and some third parties may use other local storage technologies, for example, local shared objects (also called “Flash cookies”) and HTML5 local storage, in certain products and services. Similar to cookies, these technologies store information on your device and can record some information about your activities and preferences. However, these technologies may use different media from cookies. Therefore, you may not be able to control them using standard browser tools and settings. For details about how to disable or delete information contained in Flash cookies, click here.

4. Do Not Track

Many web browsers provide a Do Not Track function that can release Do Not Track requests to websites. Currently, major Internet standardization organizations have not established policies to specify how websites should handle these requests. If you enable Do Not Track in your browser, all AntSentry’s websites will respect your selection.

III.Information Entrusted Processing, Provision andPublic Disclosure

1. Entrusted Processing

We may entrust other companies to process your personal information on our behalf. For example, companies that handle hotlines, send emails, provide technical support on our behalf. Such companies may only use your personal information for the purposes of providing services to you on our behalf. Upon termination of the entrust, we will request that the entrusted party no longer retain your relevant personal information.

We will have in place stringent confidentiality agreements or terms governing the handling of personal information with the entrusted companies, requiring them to process personal information in accordance with this Privacy Policy and relevant confidentiality and security measures.

2. Provision

Provision refers to a process in which we provide personal information to other personal information processors, and both parties have independent procession over the personal information. After obtaining your explicit separate consent, we may provide your personal information under the following circumstances:

(1) provision of the information within the scope of your authorization to a specified third party that you have authorized with

(2)Provision pursuant to laws and regulations: We may provide your information as required by laws and regulations, for resolving legal disputes, or as required by administrative or judiciary authorities pursuant to law.

(3)Provision with the Company's affiliates: We may provide the Company's affiliates with your personal information only for explicit, and legitimate purposes and the provision is limited only to information required by services.

(4)Provision with business partners: We may share your information with our cooperative partners and other third parties with your account information, operational data and log data to provide you with products and/or services you request. However, we will share your personal information only for a lawful, proper, necessary, specific, and explicit purpose and only such personal information as is necessary to provide our services.

(5) If the transfer of personal information is involved in a merger, acquisition or bankruptcy or insolvency proceeding, we will require new companies or organizations holding your personal information to continue to be bound by this Privacy Policy; otherwise, we will require such companies or organizations to seek authorization from you again.

In scenarios (3) to (5), the Company will enter into stringent non-disclosure agreements (NDAs) with the companies, organizations, and individuals with whom personal information is provided, requiring them to process personal information in accordance with this Privacy Policy and related confidentiality and security measures, inform name and contact information of the recipient, purpose and method of processing and type of personal information, and shall obtain the individual's separate consent, except for otherwise provided by laws. In addition, we will conclude legal documents with third parties and require them to comply with laws and regulations when using your personal information, to process personal information within the scope of the purposes for which you have been informed, the method of processing and the type of personal information, and to require the recipient to take administrative measures and technical means to protect your personal information.

3. Disclosure

We do not publicly disclose your personal information unless one of the following circumstances applies:

(1)With your explicit separate consent.

(2)Public disclosure based on law or on reasonable grounds: We may publicly disclose your information as required by law, legal proceedings, litigation or public and governmental authorities.

IV. Information Security

We attach great importance to the security of your personal information and have adopted industry-standard practices to protect your personal information against unauthorized access, disclosure, use, modification, damage, or loss. To this end, we take the following measures:

1. We take reasonable and feasible measures to ensure that the personal data collected is minimal and necessary for the purposes for which they are processed. We retain your personal data for no longer than the minimum period necessary to fulfill the purposes stated in this Privacy Policy unless an extension of the retention period is required or permitted by law.

2. We use a range of technologies such as cryptographic and de-identification technologies to ensure the confidentiality of data in transmission. We implement trusted protection mechanisms to protect data and data storage servers from attacks.

3. We deploy access control mechanisms to ensure that only authorized personnel can access your personal data. In addition, we control the number of authorized personnel and manage the authority of authorized personnel at several levels, based on service requirements and personnel levels. Access to personal data will be recorded and periodically reviewed by the administrator.

4. We strictly select business partners and service providers and incorporate personal data protection requirements into commercial contracts, audits, and appraisal activities.

5. We hold security and privacy protection training courses, tests, and publicity activities to raise employees' personal data protection awareness.

While we are committed to protecting our websites, system and services, you are responsible for protecting and maintaining the security of your personal information and verifying that the personal information we maintain about you is accurate and up-to-date. You must prevent unauthorized access to your account. Be sure to log out when using a shared computer and do not disclose your account password and any other account registration information to unauthorized people.

However, none of the methods or electronic storage methods transmitted over the Internet is 100% secure. Therefore, while we strive to protect your personal information, we cannot guarantee its absolute security. We cannot absolutely guarantee the security of your personal information transmitted to our website and/or through our services. Any personal information transmitted at your own risk.

If any personal information incident occurs, we will notify you, pursuant to relevant legal and regulatory requirements, of the basic information about the security incident and its possible impact, measures that we have taken or will take, suggestions about active defense and risk mitigation, and remedial measures. The notification may take the form of an email, text message, push notification, etc. If it is difficult to notify data subjects one by one, we will take appropriate and effective measures to release a Security Notice. In addition, we will also report the handling status of personal data security incidents as required by supervisory authorities.

V.International Data Transmission

We will comply with the applicable requirements in relation to the storage of your personal information of applicable jurisdictions. You agree that your information, including personal information, may be transferred and accessed outside of the jurisdiction of your country.

Such jurisdictions may have different data protection laws or even no relevant laws. In such cases, we will ensure that your data are adequately and equally protected as required by all applicable laws and regulations. For example, we may request your consent to a cross-border transfer of personal information or implement security measures such as anonymous data prior to any cross-border transfer, in accordance with applicable laws and regulations.

VI.Third-Party Links

Our services may include links to third-party websites that are not operated by us. If you click on a third-party link, you will be directed to the third-party website. This Privacy Policy does not apply to other third-party websites. We strongly encourage you to review the privacy policy of the websites you visit. We cannot control the content and privacy policies of any third-party website or service and is not responsible for it.

VII.Children's Privacy

We do not knowingly collect or maintain personal data on our website from people under the age of 14, and no part of our website will target individuals under the age of 14. If you are under the age of 14, please do not use or access this website in any way.

When we learn that we have inadvertently collected personal data from individuals under the age of 14, we will remove or take other appropriate measures in accordance with applicable laws and regulations.

[If you are 14 years of age or older but under 18 years of age, please use or access this website under the guidance of your guardian.]

VIII.Change of Personal Information Usage Purpose

If we decide to use your personal data for any purpose other than this Privacy Policy Statement, we will notify you and obtain your prior consent in accordance with applicable laws and regulations, or provide you with a valid exit path for you to choose not to use your personal data for purposes outside of this Privacy Policy.

We may send you emails about new services and new events. You can refuse to receive promotional emails from us by selecting the “Unsubscribe” feature in each email we send. However, you agree that users of the Service will continue to receive other important emails related to the Service.

IX. Information Retention Time

We will only retain your personal information for the period required to achieve the purposes stated in this Privacy Policy unless there is a mandatory retention requirement by law.

After the retention period, we will delete or anonymize your personal information as required by applicable law.

If we cease to operate the website or the relevant services, we will promptly cease the collection of your personal information and will post a cease operation notice. Besides, we will delete or anonymize the personal information we store.

X.Manage Personal Information

1. Consult, Change or Delete

Legislation in some countries and regions to which we provide products and services provide for rights requests (hereinafter referred to as "requests") in regards to the consulting, changing or deletion of the processing of related personal information by AntSentry retains. In such countries or regions, the subject of the personal information or the authorized person (hereinafter collectively referred to as the "Requestor") may make a request to us for consultancy of, change of, or deletion of the relevant personal information retained by us (hereinafter collectively referred to as the "Request").

(1)Requesting Modes and Channels

A request for a personal information subject must be made in writing. The requests are valid even when the requester does not specify the laws on which the requests are based. Generally speaking, oral requests for access are not valid, but if the legislation of some countries also recognizes the validity of oral requests, we will follow such provisions.

If you would like to request access to your personal information held by us or if you believe any information we are holding on you is incorrect or incomplete, please submit your request to our email. A copy of your personal data collected and processed by us will be provided to you upon your request free of charge. For any extra requests for the same information, we may charge a reasonable fee based on actual administrative costs according to the applicable laws.

(2)Validity of Request

Most laws require entities requesting personal information to comply with specific requirements when they initiate requests. This Private Policy requires entities requesting personal information to:

A.Submit requests through our email (email address as described in "XIII contact us");

B.Provide sufficient information for us to verify their identities in accordance with the law of the jurisdiction to which it applies (to ensure those who initiate the requests are the data subjects themselves or those authorized by them);

C.Ensure that their requests are specific and feasible.

There are some circumstances, provided by laws and regulations, in which we may not have to comply with the request in full or at all.

2. Consent Withdraw

You can change the subsequent authorized personal information collection scope or withdraw your consent by deleting information, disabling related functions of your device or app, or setting privacy options on your device or app. You may also withdraw all authorization for us to continue collecting your personal information by deregistering your account.

Please understand that some basic corresponding personal information is required for every business function. When you withdraw your consent or authorization, we will not be able to continue to provide you with such business function which you have withdrawn your consent or authorization and will no longer process your corresponding personal information. However, your decision to withdraw your consent or authorization will not affect the processing of personal data previously carried out on the basis of your authorization.

3.Deregistering Account.

You can deregister your account by contacting our email. After you deregister your account, we will stop providing products and services, and delete your personal data unless otherwise stipulated by law. Your account cannot be restored after deregistration. You need to register a new account if you want to use related products or services again.

XI.Special Reminder for Users in European Economic Area (EEA)

If you are visiting the Website from the European Economic Area (EEA), in addition to the above, we remind you to read the following special instructions. In the event of any inconsistency between the following special instructions and the aforementioned privacy protection terms, the following special instructions shall prevail.

Usage Purpose and Legal Basis of Personal Information Processing

We process your personal information for the purposes listed in Article I of this Privacy Policy.

The legal basis for our processing of your personal information for the purposes stipulated in Article I, Items 1 to 5 above is necessary for the performance of the AntSentry User Agreement you signed as a party. If you refuse to provide such personal information, you will not be able to use the relevant functions.

The legal basis for our processing of your personal information for the purpose stipulated in Article I, Items 6 above is your authorized consent or our legitimate interest in promoting our products or services.

The legal basis for our processing of your personal information for the purpose stipulated in Article I, Items 7 above is our legitimate interest. We will take necessary organizational and technical measures to fully protect the security of your personal information, and we will only process your personal information within the scope of this Privacy Policy. We will not infringe upon your fundamental rights and freedoms.

The legal basis for our processing of your personal information for the purpose stipulated in Article I, Items 8 above is to comply with our obligations under applicable laws and regulations.2. Your Rights

To the extent permitted by applicable laws and regulations, as the provider of personal information, you are entitled to:

(1)to inquire us how to process your personal information and to request us to provide a copy of the relevant personal information.

(2)to request us to correct the incorrect personal information, if you believe we have processed your personal information incorrectly.

(3)to request us to delete your personal information if the processing of your personal information is no longer necessary for the purpose for which it was collected or processed, or if our processing of your personal information violates applicable laws and regulations.

(4)to request us to limit the processing of your personal information if you reasonably believe that we have improperly processed your personal information.

(5)to object to our information processing activities in legitimate interest.

(6)to exercise your portability in respect of personal information that we automate as necessary for the performance of the AntSentry User Agreement.

(7)to withdraw your consent at any time for data processing activities that we conduct based on your authorized consent.

If you intend to exercise your rights above, you can contact us through the contact information under Article XIII of the Privacy Policy.

For users accessing the Website from the European Economic Area, the content under Article XI Item 2 above shall supersede the content under Article X of the Privacy Policy.

3. International Transmission

When you use AntSentry, your personal data will be collected and transmitted directly to our servers outside the European Economic Area. We will protect your personal information in accordance with the standards and measures set forth in Article 4 of the Privacy Policy.

If any transmission of personal information constitutes "transmission of personal data to a third country or international organization" as defined in Chapter V of the EU General Data Protection Regulation (GDPR), we will, in accordance with the provisions of applicable laws and regulations, take necessary transmission safeguards to ensure the adequacy of information protection, including but not limited to signing standard terms of information protection with the recipient.

XII.Special Reminder for Users in California USA

If you are a resident of the State of California of the United States of America, to the extent permitted by applicable laws and regulations, as a consumer, you have the following rights:

1. The right not to be discriminated against. If you choose to exercise the following rights, you will not be discriminated against.

2. The right to inquire us how to process your personal information.

3. The right to request us to correct the incorrect personal information, if you believe that we have processed your personal information incorrectly.

4. The right to request us to delete the personal information we have collected after providing us with information to verify your identity, except as otherwise required by applicable laws.

5. The right to request us to provide you with your personal information in an easy-to-use or transmissible (portable) manner so that you can transfer your information to third parties without any obstacles.

6. The right to instruct us at any time not to sell or share your personal information with third parties If your personal information is likely to be sold or shared.

If you intend to exercise your rights above, you can contact us through the contact information under Article XIII of the Privacy Policy.

For residents of the State of California, the foregoing content shall supersede the content under Article X of the Privacy Policy.

XIII.Contact Us

If you have any questions, concerns, or suggestions, please contact us by email (

If you are not satisfied with our reply, especially if you think that our personal information processing has damaged your legitimate rights and interests, you can communicate and negotiate with us through the above methods.

You should be aware that, notwithstanding the above, we may not be able to respond to your request in timely and appropriate methods under the applicable legal requirements of the relevant jurisdiction.