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TERMS AND CONDITIONS


Terms of Service

Blockchain Semantics (collectively, “we,” “us” or “Blockchain Semantics”) provides you access to the services including its application and website, available at the entry-point URL https://www.blockchainsemantics.com , and to the information, services and other materials available on and through the website, (the “Online Courses”), subject to the terms and conditions described in this document (these “Terms of Use”) and any other guidelines, rules or licenses posted in connection with the Online Courses. Blockchain Semantics offers curated, specially designed and produced collections of Online Courses.

Your Acceptance of Terms

By accessing and/or using the Services, you agree to be bound by these Terms of Use, whether you are: - a “Visitor,” meaning you simply browse the Courses, including, without limitation, through a mobile or other wireless device, or otherwise use the Website without being registered, or - a “Student,” meaning that you have registered with Blockchain Semantics for a User ID and User Password (defined below), will complete the homework assignments and exams, and have enrolled in and paid for access to services, content, and/or certification provided by Blockchain Semantics or its Educational Partners (defined below), or - an “Attendee,” meaning that you have registered with Blockchain Semantics for a User ID and User Password (defined below) and that you intend to audit the Online Courses, i.e., attend or view lectures online without accessing final projects or assessments required for certification, or completing the homework assignments, exams or other course work related to assessments for certification.

The term “User” refers to a Visitor, Student or Attendee.

You are authorized to use the Website only if you agree to abide by all applicable laws, rules and regulations and these Terms of Use.

BY USING THE SERVICES, OR BY INDICATING YOUR ASSENT TO THIS AGREEMENT BY CLICKING “I ACCEPT,” REGISTERING A USER ACCOUNT (AS DEFINED HEREIN) WITH BLOCKCHAIN SEMANTICS OR ANY SIMILAR MECHANISM, YOU ARE AGREEING TO THE TERMS OF THIS AGREEMENT.

WITHOUT LIMITING THE FOREGOING, IF YOU ARE A VISITOR, BY USING THE SERVICES, IN ADDITION TO ALL OF THE TERMS AND CONDITIONS OF THIS AGREEMENT (EXCEPT FOR THE SECTION ENTITLED “STUDENT AND ATTENDEE COMMUNICATIONS”), YOU ARE CONSENTING TO BE BOUND BY THE TERMS SET FORTH IN THE SECTION ENTITLED “VISITOR COMMUNICATIONS.” IF YOU DO NOT AGREE TO ALL OF THE TERMS AND CONDITIONS OF THIS AGREEMENT, INCLUDING THE TERMS SET FORTH IN THE SECTION ENTITLED “VISITOR COMMUNICATIONS,” DO NOT ACCESS OR USE THE SERVICE.

ADDITIONALLY, WITHOUT LIMITATION TO ANY OF THE FOREGOING, IF YOU ARE A STUDENT OR ATTENDEE, BY REGISTERING YOUR USER ACCOUNT WITH BLOCKCHAIN SEMANTICS, YOU ARE CONSENTING TO BE BOUND BY ALL OF THE TERMS AND CONDITIONS OF THIS AGREEMENT INCLUDING THE TERMS SET FORTH IN THE SECTION ENTITLED “STUDENT AND ATTENDEE COMMUNICATIONS.” IF YOU DO NOT AGREE TO ALL OF THE TERMS AND CONDITIONS OF THIS AGREEMENT, INCLUDING THE TERMS SET FORTH IN THE SECTION ENTITLED “STUDENT AND ATTENDEE COMMUNICATIONS,” DO NOT REGISTER YOUR USER ACCOUNT. IF YOU DO NOT REGISTER YOUR USER ACCOUNT, YOU WILL NOT BE ABLE TO ACCESS OR USE CERTAIN PARTS OF THE SERVICE THAT MAY REQUIRE A USER ACCOUNT.

WITHOUT LIMITATION TO ANY OF THE FOREGOING, IF YOU DO NOT AGREE TO ANY OTHER PROVISIONS OF THESE TERMS OF USE OR ANY SECTION THEREOF, THEN YOU MAY NOT ACCESS OR USE THE SERVICES. BLOCKCHAIN SEMANTICS’S ACCEPTANCE IS EXPRESSLY CONDITIONED UPON YOUR ASSENT TO ALL OF THE TERMS AND CONDITIONS OF THESE TERMS OF USE, TO THE EXCLUSION OF ALL OTHER TERMS.

We reserve the right to change or modify these Terms of Use at our sole discretion at any time. We will notify you of any material changes to the terms and conditions of this Agreement or to any service or other feature of the Services and you must accept such changes in order to continue your use and access thereof. If you do not accept such changes your use and/or access to the Services will be terminated. Any change or modification to these Terms of Use will be effective immediately upon posting by Blockchain Semantics on a Class Site.

Visitor Communications

If you are Visitor, we may contact you through our in-website and in-mobile app notification, messaging and chat services while you browse the Website. You consent to receive these notifications and messages. We also provide information on the Website for you to contact us with questions or comments. If you use this information to contact us, you consent to receive any notifications, messages or other communications in response to any such contact.

Student and Attendee Communications

If you are a Student or an Attendee, you expressly indicate your consent to receive electronically all communications, agreements, documents, notices and disclosures (collectively, “Notices”) that we provide in connection with your User Account and your use of the Services. Notices may include, without limitation, e-mail, in-app messages and in-website chat communications. In addition, Notices may include emails with promotional, marketing, and advertising information and recommendations that we believe may be of interest to you. Consistent with federal CAN-SPAM laws, if you do not wish to receive commercial emails, you may unsubscribe following the instructions on any email. We may still send you administrative and transactional Notices, however, such as, but not limited to, information about your User Account, confirmation of your registration for Online Courses, information related to your method of payment, transactional

receipts, career advice, information about your progress or other services that may be necessary to provide you with Online Course or Online course services.

Additionally, you consent to receive autodialed or prerecorded calls and text messages from us at any telephone number that you have provided us, as set forth below. We may place such calls or texts to (i) notify User Account and any use thereof; (ii) provide you with services associated with the Class Site or Online Courses; (iii) troubleshoot problems with your User Account (iv) resolve disputes; (v) collect debts; (vi) contact you with offers and promotions; or (vii) as otherwise necessary to service your account or enforce these Terms of Use, our policies, applicable law, or any other agreement we may have with you.

You may provide your telephone number for us to use when you register your User Account or by adding a telephone number to your User Account at any time. If the telephone number provided to us is a mobile telephone number, you consent to receive SMS or text messages at that number. We won’t share your phone number with third parties for their purposes without your consent, We may share your phone numbers with our Affiliates or with our service providers, such as customer support, billing or collections companies, who we have contracted with to assist us in pursuing our rights or performing our obligations under these Terms of Use, our policies, applicable law, or any other agreement we may have with you. You agree these parties may also contact you using autodialed or prerecorded calls and text messages, as authorized by us to carry out the purposes we have identified above, and not for their own purposes. Standard telephone minute and text charges may apply.

You understand and consent that we may, without further notice or warning and in our discretion, monitor or record telephone conversations you or anyone acting on your behalf has with us or our agents for quality control and training purposes or for our own protection. You acknowledge and understand that, while your communications with us may be overheard, monitored, or recorded without further notice or warning, not all telephone lines or calls may be recorded by us, and we do not guarantee that recordings of any particular telephone calls will be retained or retrievable.

User Accounts and User Registration; Educational Partners

While any Visitor can view the Website, in order to use the Website and take part in the Online Courses, you must select a login identification (“User ID”) and a user password (“User Password”) that is unique and entirely different from your User ID (collectively, a “User Account”). You agree that you will never divulge or share access or access information to your User Account with any third party for any reason. If you do not qualify, you may not attend the Online Courses.

In setting up your User Account, you may be prompted or required to enter additional information, including but not limited to your name and email address. Additional information may be required to confirm your identity. You understand and agree that all information provided by you is accurate, current and complete and that you will maintain and update your information to keep it accurate, current and complete. You acknowledge that if any information provided by you is untrue, inaccurate, not current or incomplete, we reserve the right to terminate your use of the Services and your enrollment in the Online Courses, or a Online course, to the extent applicable.

In addition to the registration process, as part of your use of the Services, we may obtain certain information about you and your performance in the Online Courses. Some of this information may be personally identifiable information. We may use, maintain, and store this information to provide certain services to you now and in the future and may share such information with third parties in conjunction with such services. For example, as further detailed in our Privacy Policy, we may share certain materials or information about you with third parties, including your grades/scores in our classes.

Our Privacy Policy further explains how we treat information collected and received from you when you use the Online Courses. Our Privacy Policy is hereby incorporated into these Terms of Use by reference. Please read this policy carefully for disclosures relating to the collection, use, and disclosure of your personal information. By accepting these Terms of Use you are accepting our Privacy Policy.

The Website are available to any User. However, access to the Online Courses is restricted to Attendees or Students that have a registered User Account. By registering, you agree that:

you are registered for the course only once and will not set up multiple User Accounts; and you will abide by these Terms of Use. Additional requirements apply to Students. As a Student, in addition to the points above, you agree that: - you are registering with the intent to complete the assignments, if any, that are relevant and applicable to the Class Site or Online Courses for which you have enrolled; - if you are taking an Online Course for academic credit or certification as a student of, or otherwise through, an Educational Partner, such as accredited universities and other educational institutions, corporate sponsors and non-profit foundations and institutions (each an “Educational Partner”), any such credit or certification may only be awarded directly by the Educational Partner based on its own policies and procedures, and you may be required by that Educational Partner to be registered or enrolled with the Educational Partner in order to receive credit or certification; and, in any event, Blockchain Semantics will not have any authority or responsibility with respect to any award of academic credit or certification provided by an Educational Partner for any Online Course; - if you are not taking an Online Course for academic credit or certification provided by an Educational Partner, then, subject to your satisfactory performance determined in the sole discretion of Blockchain Semantics, you may be awarded a verified certificate of accomplishment upon conclusion of the applicable Online Course (“Verified Certificate”), and you acknowledge that any such Verified Certificate awarded may not be affiliated with any college, university, company, or other certifying institution, and may not stand in the place of a course taken with an Educational Partner or convey academic credit or certification for any Educational Partner; - you acknowledge that instructors of any Online Course will not be obligated to make any attempts to get the course recognized by any accredited or other educational institution; and you will abide by the Student Conduct Policy listed below. - Online Courses you purchase for academic credit or certification from an Educational Partner or for certification from the Blockchain Semantics site are eligible for refund under terms specified in the section entitled “Payment Terms” below. If a refund is issued, you’ll no longer receive certification and associated services for the course, but can continue to access the free courseware when available.

Blockchain Semantics may make certain Online Courses available to Students and Attendees in partnership with or on behalf of its Educational Partners, Your access to such Online Courses may be provided to you through your single User Account. You acknowledge and agree that any Online Course affiliated with an Educational Partner may be subject to terms, policies and procedures of the applicable Educational Partner in addition to Blockchain Semantics’s Terms of Use. Without limiting the foregoing, if you are a student registered or enrolled at, or are otherwise attending, an Educational Partner and are taking an Online Course for credit or certification through that Educational Partner, you acknowledge and agree that (a) the Educational Partner may have its own terms, policies or procedures regarding your eligibility to participate in the Online Course, your participation in the Online Course, the requirements or prerequisites for receiving credit or certification for the Online Course, and/or your educational or student records as they may relate to your participation and performance in the Online Course, and (b) your educational or student records are maintained by the Educational Partner, including for purposes of assigning credit or certification, and not Blockchain Semantics.

Blockchain Semantics and the instructors of the Online Courses reserve the right to alter, modify or rearrange the schedule of topics for the Online Courses, as well as the point value or weight of assignments, tests, quizzes, exams, projects and other such evaluations of progress. A Verified Certificate shall be awarded, in the sole discretion of Blockchain Semantics and the instructors for the Online Courses, to Students who have completed the course to the satisfaction of Blockchain Semantics. By attending the Online Courses, Students acknowledge that Blockchain Semantics and the instructors maintain the right and ability to adapt, modify or revise the Online Courses as Blockchain Semantics and the instructors deem appropriate.

User Conduct Policy

To the extent you are registered or enrolled as a student in, or are otherwise attending, an Educational Partner or other institution with its own policy regarding student and/or employee conduct or an “honor code,” those terms shall apply to you as a student and/or employee of such institution. Additionally, unless the following conflicts with such a policy or honor code, any User of the Online Courses agrees that he or she:

  • will not harass other Students, Attendees or Visitors;
  • will not cheat on any homework assignment or exams for the Online Courses;
  • will not post online any Secured Testing Materials (as defined below);
  • will not share solutions to homework assignments or exams; and
  • will notify the instructors immediately if he or she becomes aware of any other User cheating or breaching these Terms of Use. and will comply with the requirements of the specific applicable code of conduct, if any, relating directly to a Online course in which such User is enrolled.

As a condition of accessing the Website and/or using the Online Courses, you agree not to (a) reproduce, duplicate, copy, sell, resell or exploit for any commercial purposes any portion of the Online Courses other than as expressly allowed under these Terms of Use; (b) use Blockchain Semantics’s name, trademarks, service marks, or other materials in connection with, or to transmit, any unsolicited communications or emails; (c) use any high volume, automated, or electronic means to access the Website (including without limitation robots, spiders or scripts); (d) frame the Website, place pop-up windows over its pages, or otherwise affect the display of its pages; (e) falsely state, impersonate, or otherwise misrepresent your identity, including but not limited to the use of a pseudonym or misrepresenting your affiliations with a person or entity, past or present; (f) force headers or otherwise manipulate identifiers in order to disguise the origin of any communication transmitted through the Online Courses; or (g) interfere with or disrupt the Online Courses or servers or networks connected to the Online Courses, or disobey any requirements, procedures, policies or regulations of networks connected to the Online Courses.

In addition, you may not post, upload, or transmit to or otherwise make available through the Website or Online Courses any content, communications, or other information (collectively, “Unauthorized Content”):

  • that is obscene, fraudulent, indecent, or libelous or that defames, abuses, harasses, discriminates against or threatens others;
  • that contains any viruses, Trojan horses, worms, time bombs, cancelbots, or other disabling devices or other harmful components intended to or that may damage, detrimentally interfere with, surreptitiously intercept, or expropriate any system, data, or personal information;
  • that you do not have the right to disclose or make available under any law or under contractual or fiduciary relationships (such as insider information, or proprietary and confidential information learned or disclosed as part of employment relationships or under nondisclosure agreements);
  • that consists of any high volume, automated, or electronic means to access the Website (including without limitation robots, spiders or scripts);
  • that infringes the copyright, patent, trademark, trade secret, right of publicity, or other intellectual property or proprietary right of any third party;
  • that violates the rights of other Users of the Website; or
  • that violates any applicable local, state, national or international law or otherwise advocates or encourages any illegal activity.

Blockchain Semantics’s Intellectual Property Rights

The Services are owned and operated by Blockchain Semantics and its licensors. Blockchain Semantics reserves the right at any time and from time to time to modify, discontinue, temporarily or permanently, the Services or any part or portion thereof, with or without notice to you. You agree that Blockchain Semantics shall not be liable to you or to any third party for any modifications, suspensions or discontinuance of the Services, or any portion thereof. Nothing in these Terms of Use shall be construed to obligate Blockchain Semantics to maintain and support the Services or any part or portion thereof, during the term of these Terms of Use.

All content or other material available on the Website or through the Online Courses, including but not limited to on-line lectures, speeches, video lessons, quizzes, presentation materials, programs, code, and other images, text, layouts, arrangements, displays, illustrations, documents, materials, audio and video clips, HTML and files (collectively, the “Content”), are the property of Blockchain Semantics and/or its affiliates or licensors and are protected by copyright, patent and/or other proprietary intellectual property rights under United States and foreign law.

Blockchain Semantics logos, trademarks and service marks which may appear on the Website (“Marks”), are the property of Blockchain Semantics and are protected under United States and foreign laws. All other trademarks, service marks and logos used on the Services, with or without attribution, are the trademarks, service marks or logos of their respective owners. In addition, elements of the Website are protected by trade dress and other federal and state intellectual property laws and may not be copied, reproduced, downloaded or distributed in any way in whole or in part without the express written consent of Blockchain Semantics.

Except as otherwise expressly permitted in these Terms of Use, you may not copy, sell, re-sell, display, reproduce, publish, modify, create derivative works from, transfer, distribute or otherwise commercially exploit in any manner the Services or any Content. You may not reverse-engineer, decompile, disassemble or otherwise access the source code for any software that may be used to operate the Services. From time to time, Blockchain Semantics may include software, code, instructions, or other such information in the Content or materials for the Services; any such information is provided on an “as-is” basis for instructional purposes only and is subject to the Disclaimer of Warranties and Limitation of Liabilities sections below and other terms herein. Any use of such information for commercial purposes is strictly prohibited. Blockchain Semantics and/or its affiliates and licensors reserve all rights not expressly granted herein to the Services, Content, and Marks.

License to Use the Website and Online Courses

Subject to your compliance with these Terms of Use, Blockchain Semantics hereby grants you a freely revocable, worldwide, non-exclusive, non- transferable, non-sublicensable limited right and license (a) to access, internally use and display the Services, including the Content, at your location solely as necessary to participate in the Online Courses as permitted hereunder, and (b) to download the Educational Content (as defined below) so that you may exercise the rights granted to you under the section entitled “Creative Commons license” below. You must abide by all copyright notices or restrictions contained on the Website or the Content. You may not delete any attributions, legal or proprietary notices on the Website or the Content.

License to Educational Content

Blockchain Semantics hereby grants you a license in and to the Educational Content under the following terms and subject to the following conditions:of the Creative Commons Attribution-NonCommercial- NoDerivs 3.0 License (http://creativecommons.org/licenses/by-nc-nd/4.0 and successor locations for such license) (the “CC License”), provided that, in each case, the Educational Content is specifically marked as being subject to the CC License. As used herein, “Educational Content” means the educational materials made available to you through the Online Courses, including such on-line lectures, speeches, video lessons, quizzes, presentation materials, homework assignments, programming assignments, code samples, and other educational materials and tools. Such Educational Content will be considered the “Licensed Material” under the terms of the CC License. Without limiting the generality of the terms of the CC License, the following are types of uses that Blockchain Semantics expressly defines as falling outside of the definition of “non-commercial”:

(a) the sale or rental of (i) any part of the Educational Content, ((ii) any derivative works based at least in part on the Educational (Content, or (iii) any collective work that includes any part of the (Educational Content;

(b) the sale of access or a link to any part of the Educational (Content without first obtaining informed consent from the buyer (that the buyer is aware that the Educational Content, or such part (thereof, is available at the Website free of charge;

(c) providing training, support, or editorial services that use or (reference the Educational Content in exchange for a fee;

(d) the sale of advertisements, sponsorships, or promotions placed (on the Educational Content, or any part thereof, or the sale of (advertisements, sponsorships, or promotions on any website or blog (containing any part of the Educational Material, including without (limitation any “pop-up advertisements”;

(e) the use of Educational Content by a college, university, school, or other educational institution for instruction where tuition is charged; and

User Content

The Online Courses may provide you with the ability to upload forum posts, chat with other Users, User discussions, profile pages, and other content and media for social interaction, or certain information and materials for use with the Website or Online Courses, e.g., questions, hypotheticals, examples, etc. (collectively, “User Content”). Blockchain Semantics does not claim ownership of any User Content you may submit or make available for inclusion on the Website or Online Courses. Accordingly, subject to the license granted to Blockchain Semantics below, User will be the sole and exclusive owner of any and all rights, title and interest in and to the User Content.

Additionally, from time to time, Blockchain Semantics (or its third party service providers on behalf of Blockchain Semantics) may request Users to make subtitles or captions for, or translations of, Content such as lecture videos and other Educational Content, and submit such subtitles, captions, or translations to Blockchain Semantics through a Blockchain Semantics website/portal or the website/portal of Blockchain Semantics’s service provider. In the event that Blockchain Semantics (or its service provider) makes such a request to you, Blockchain Semantics will grant to you a freely revocable, worldwide, non- exclusive, non-transferable, non-sublicensable limited right and license to make such subtitles, captions or translations provided that you agree to submit such subtitles, captions or translations to Blockchain Semantics (or its applicable service provider), and such subtitles, captions and translations shall be considered User Content and subject to the license, representations, and warranties below (even if you fail to submit the subtitles, captions or translations to Blockchain Semantics); and further provided that, you acknowledge and agree that by creating or submitting any such subtitles, captions or translations, you shall not obtain any rights or license in or to Blockchain Semantics’s and its affiliate’s intellectual property, including but not limited to the Educational Content, related materials, or any underlying content. For clarity, the foregoing license to make subtitles, captions or translations, if given, shall in no way expand or otherwise affect, expressly or impliedly, the terms of the CC License, and any such license is given under this section and not under the CC License.

With respect to any User Content you submit to Blockchain Semantics (including for inclusion on the Website or Online Courses) or that is otherwise made available to Blockchain Semantics, you hereby grant Blockchain Semantics an irrevocable, worldwide, perpetual, royalty-free and non-exclusive license to use, distribute, reproduce, modify, adapt, publicly perform and publicly display such User Content on the Website or in the Online Courses or otherwise exploit the User Content, with the right to sublicense such rights (to multiple tiers), for any purpose (including for any commercial purpose); except that, with regard to User Content comprised of a subtitle, caption or translation of Content, you agree that the license granted to Blockchain Semantics above shall be exclusive. Blockchain Semantics reserves the right to remove any User Content at any time and for any reason.

To the extent that you provide any User Content, you represent and warrant that (a) you have all necessary rights, licenses and/or clearances to provide such User Content and permit Blockchain Semantics to use such User Content as provided above, (b) such User Content is accurate and reasonably complete, (c) as between you and Blockchain Semantics, you shall be responsible for the payment of any third party fees related to the provision and use of such User Content, and (d) such User Content does not and will not infringe or misappropriate any third party rights or constitute a fraudulent statement or misrepresentation or unfair business practices.

With respect to any submissions of User Content, you agree to comply with all applicable local rules including but not limited to rules regarding online conduct and acceptable content. Specifically, you agree to comply with all applicable laws regarding the transmission of technical data exported from the United States or the country in which you reside.

The source code that comes with the course "DEVELOPING DECENTRALIZED APPLICATIONS ON ETHEREUM USING SOLIDITY" is meant for education purpose only. Do not share, distribute or use it commercially.

Use of Provided Communication Methods and Related Services

The Online Courses may provide you with the ability to post messages to User forums or User review pages, enter chat rooms or send similar messages and communications to third party service providers, other Users and/or Blockchain Semantics. You agree to use communication methods available on the Online Courses only to send communications and materials related to the subject matter for which Blockchain Semantics provided the communication method, and you further agree that all such communications by you shall be subject to and governed by these Terms of Use. By using any of the communications methods available on the Online Courses, you acknowledge and agree that (a) all communications methods constitute public, and not private, means of communication between you and the other party or parties, (b) communications sent to or received from third party service providers or other third parties are not endorsed, sponsored or approved by Blockchain Semantics in any manner (unless expressly stated otherwise by Blockchain Semantics) and (c) communications are not pre-reviewed, post- reviewed, screened, archived or otherwise monitored by Blockchain Semantics in any manner, though Blockchain Semantics reserves the right to do so at any time at its sole discretion in accordance with these Terms of Use. Additionally, through such communication methods, Blockchain Semantics may make certain types of services available to you. For instance, Blockchain Semantics may make available to you, as part of your participation in an Online Course, chat room services that allow you to communicate with Blockchain Semantics staff members so that you may ask questions about the academic materials in the Online Course or about your general experiences on the Website. You acknowledge and agree that such services (e.g., chat room services) may be monitored or recorded for quality control purposes and that the information or material provided as part of the services is considered “Content” under these Terms of Use and is provided for educational purposes only.

Payment Terms

To purchase any services or products offered by Blockchain Semantics through the Website, you must have Internet access and a current valid accepted payment method as indicated during sign-up (“Payment Method”). You agree to Blockchain Semantics, or its third-party payment provider, storing your payment information. You also agree to pay the applicable fees for the services or products you purchase through the Blockchain Semantics Website as they become due, whether on a one-time or subscription basis. Unless otherwise specified upon enrollment, for subscription products or services, your Payment Method will be authorized for up to approximately one month of service as soon as the free trial, if any, has concluded for the Online Course for which you register for a paid subscription and on a monthly basis thereafter until you cancel the subscription. For example, if you begin a paid subscription on January 1st for a 14 day free trial, you will be charged on January 15th for the first month, February 15th for the second month, and so on. Your billing data may vary slightly if your billing date does not have a corresponding date the next month (i.e. enrollment started on January 31 will be billed on February 28). Failure to pay may result in the termination of your subscription. Depending on where you transact with us, the type of payment method used and where your payment method was issued, your transaction with us may be subject to foreign exchange fees or differences in prices, including because of exchange rates. Blockchain Semantics does not support all payment methods, currencies or locations for payment. Your obligation to pay fees continues through the end of the subscription period during which you cancel your subscription. All applicable taxes are calculated based on the billing information you provide us at the time of purchase. For subscription products or services, you may cancel at any time by going to your account settings. Other than stated above, you hereby acknowledge and agree that Blockchain Semantics will not offer refunds on any fees and charges related to your subscription. This includes any partially used or unused periods for which you have already paid. Your obligation to pay fees continues through the end of the subscription period during which you cancel your subscription. We do not guarantee refunds for lack of usage or dissatisfaction. You understand and agree that not all promotions and pricing are available to all enrollees, and that specific additional terms and conditions may apply to certain promotional programs, pricing or geographic locations.

In some instances, you will be permitted to pre-enroll in a course subscription before the course has begun on the Course Site. In these cases you will be billed on the day the course begins and billed monthly thereafter. You may cancel at any time by going to your account settings. If you cancel your subscription at any time before the course begins, you will not be charged any further amounts, but likewise you may be ineligible for certain promotions and pricing in the future.

Currently, your subscription to Blockchain Semantics products or services may start with a free trial. The free trial period for any of your subscriptions will last for the period of time specified during your sign-up. Free trials for any products or services may not be combined with certain other offers when specified in the offer language. If you have subscribed to a particular paid service or product within the last six (6) months, or if your Payment Method, physical address or email address has been associated with an account for that paid service, you are not eligible to receive a free trial for that service or product. If you begin your subscription with a free trial, we will begin billing your Payment Method for monthly membership fees at the end of the free trial period of your subscription unless you cancel prior to the end of the free trial period. Your Payment Method will be authorized for up to approximately one month of service as soon as you register for a free trial. In some instances, your available balance or credit limit may be reduced to reflect the authorization; however, no charges will be made against the Payment Method unless you do not cancel prior to the end of your free trial period. You may cancel at any time by going to your account settings. If you cancel your subscription during a free trial period, no charges will be made against your Payment Method. You may be ineligible for certain features of a product or service or promotions during your free trial period. For example, you cannot be awarded a Verified Certificate or similar certification during your free trial period because you must pay for at least one (1) month of a course subscription to be eligible for a Verified Certificate in that course. In the case of Online course you must pay for no less than one (1) month of Online Courses and meet all of the other then current requirements to obtain promotional pricing, rebates or discounts.

Sponsored Services Purchases

If you access pre–paid, gift, promotional or sponsored subscription products or services for any Online course or other Blockchain Semantics pre–paid or third party paid subscriptions ("Sponsored Services"), the Payment Method will be authorized for the number of months of the service noted in the product description for the payment amount indicated. Services may then be activated by any recipient or user by enrolling with us at Blockchain Semantics.com or through other means contractually executed with Blockchain Semantics.

Sponsored Services for any Online course must be activated by the recipient by enrolling with us within sixty (60) days of purchase, and the enrolled user must accept our Terms of Service upon enrollment. In addition, an enrolled user may disenroll or terminate and in such cases the original purchaser may request a full refund in accordance with the procedures set forth in our Terms of Service at any time up to thirty (30) days after the date of enrollment. In all circumstances, the outside limit for request of a refund on the purchase of Sponsored Services, is the later of (a) thirty (30) days from enrollment, or (b) sixty (60) days after purchase to request. Refunds may be requested for any reason or no reason. Refunds processed will go only to the original purchaser of the Sponsored Services and no case will be paid out to the user or recipient. You or any user receiving Sponsored Services may not access free trial periods or subscriptions for Sponsored Services and the Blockchain Semantics Fifty Percent Money–Back Guarantee program shall be unavailable for Sponsored Services purchases. Certain Online courses and promotions may also be excluded from the Sponsored Services program. Sponsored Services shall be solely for access for the period noted in the purchase documentation, purchase is solely for that Blockchain Semantics program noted in the purchase documentation, and may not be credited for any other Blockchain Semantics program. Blockchain Semantics reserves the right to modify or update these terms with respect to activation and enrollment limitations for Sponsored Services at any time and/or discontinue the program, but in any event, purchases will receive the length of Sponsored Services for the period they have purchased for even if discontinued.

Sponsored Services purchases are not available for the following products or services: Blockchain Semantics Connect or Online course Plus. Blockchain Semantics reserves the right to exclude other Online courses from the Pre-Paid subscription or Sponsored Services model at any time in the future.

Services Availability and Limitations

You acknowledge and agree that Blockchain Semantics’s services, including paid services and products, are not available at all times, and that certain usage limits may apply. Please refer to the FAQ for additional information about limitations and hours of availability. You also understand that Blockchain Semantics, at its sole discretion, may limit, suspend, or terminate your use of all Blockchain Semantics-provided services related to Blockchain Semantics’s programs, such as access to Blockchain Semantics Coaches, evaluation services, or certifications. You also understand that Blockchain Semantics may modify or discontinue all services related to its programs at its sole discretion.

Disclaimer of Warranties

You expressly acknowledge and agree that your use of the Website, the Online Courses and all Content and services available on the Website is at your sole risk and responsibility. THE ONLINE COURSES (INCLUDING ANY CONTENT) ARE PROVIDED “AS IS” AND “AS AVAILABLE” WITH NO REPRESENTATIONS OR WARRANTIES OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT. YOU ASSUME TOTAL RESPONSIBILITY AND THE ENTIRE RISK FOR YOUR USE OF THE ONLINE COURSES AND CONTENT. WITHOUT LIMITING THE FOREGOING, WE DO NOT WARRANT THAT (A) THE WEBSITE, CONTENT, OR THE ONLINE COURSES WILL MEET YOUR REQUIREMENTS OR EXPECTATIONS OR ACHIEVE THE INTENDED PURPOSES, (B) THE WEBSITE OR THE ONLINE COURSES WILL NOT EXPERIENCE OUTAGES OR OTHERWISE BE UNINTERRUPTED, TIMELY, SECURE OR ERROR-FREE, (C) THE INFORMATION OR CONTENT OBTAINED THROUGH THE WEBSITE OR THE ONLINE COURSES, SUCH AS CHAT ROOM SERVICES, WILL BE ACCURATE, COMPLETE, CURRENT, ERROR- FREE, COMPLETELY SECURE OR RELIABLE, OR (D) THAT DEFECTS IN OR ON THE WEBSITE OR CONTENT WILL BE CORRECTED. YOU ASSUME ALL RISK OF PERSONAL INJURY, INCLUDING DEATH AND DAMAGE TO PERSONAL PROPERTY, SUSTAINED FROM USE OF THE ONLINE COURSES AND CONTENT.

Limitation of Liability

UNDER NO CIRCUMSTANCES SHALL BLOCKCHAIN SEMANTICS BE LIABLE TO THE USER OR ANY THIRD PARTY WITH RESPECT TO ANY SUBJECT MATTER OF THESE TERMS OF USE (INCLUDING ANY BREACH OF SECURITY OR DATA LOSS) UNDER ANY CONTRACT, NEGLIGENCE, STRICT LIABILITY OR OTHER THEORY FOR ANY INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS, LOSS OR INACCURACY OF DATA OR DOCUMENTS OR COST OF PROCUREMENT OF SUBSTITUTE GOODS, SERVICES OR TECHNOLOGY, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR WHETHER ANY REMEDY SET FORTH HEREIN FAILS OF ITS ESSENTIAL PURPOSE OR OTHERWISE. BLOCKCHAIN SEMANTICS’S TOTAL CUMULATIVE LIABILITY ARISING OUT OF OR RELATED TO THESE TERMS OF USE WILL NOT EXCEED THE GREATER OF TWENTY U.S. DOLLARS ($20) OR THE AMOUNT OF FEES RECEIVED BY BLOCKCHAIN SEMANTICS FROM THE COMPLAINING USER FOR THE USE OF THE WEBSITE OR ONLINE COURSES; THE EXISTENCE OF MULTIPLE CLAIMS SHALL NOT EXPAND OR INCREASE THE FOREGOING LIMITATION. THE PARTIES ACKNOWLEDGE THAT THIS CLAUSE REFLECTS THE AGREED UPON ALLOCATION OF RISK BETWEEN THE PARTIES AND THAT BLOCKCHAIN SEMANTICS WOULD NOT ENTER INTO THESE TERMS OF USE OR MAKE THE ONLINE COURSES AVAILABLE TO USER WITHOUT THESE LIMITATIONS ON LIABILITY. THIS LIMITATION OF LIABILITY WILL APPLY NOTWITHSTANDING THE FAILURE OF ESSENTIAL PURPOSE OF ANY LIMITED REMEDY SET FORTH HEREIN.

Linking to Other Sites

The Website may contain links to pages on other website (“Linked Sites”), and those Linked Sites may contain content or offer products and/or services for sale. Blockchain Semantics does not author, edit, control, or monitor these Linked Sites. You acknowledge and agree that (a) we have no responsibility for the accuracy or availability of information provided by Linked Sites, and (b) we do not control or endorse the sponsors of such Linked Sites or the content, products, advertising, or other materials presented on such Linked Sites. We may remove any Linked Sites from the Website at any time for any reason or for no reason.

BLOCKCHAIN SEMANTICS WILL NOT BE LIABLE FOR ANY TRANSACTIONS CONDUCTED BY YOU WITH THIRD PARTIES THROUGH THE LINKED SITES OR FOR ANY LIABILITY ARISING FROM THE REPRESENTATIONS OR INFORMATION PROVIDED ON SUCH LINKED SITES.

We appreciate that Linked Sites may contain material in which the operator of the Linked Sites has intellectual property rights. We respect those rights and provide the links for information purposes only. The fact that we have linked to any Linked Site does not create or imply any relationship or partnership with the operator of such Linked Site.

Indemnity

You agree to indemnify, defend and hold harmless Blockchain Semantics, its subsidiaries and affiliates, and each of their officers, directors, agents, employees, and assignees from any and all claims, liabilities, expenses and damages, including reasonable attorneys’ fees and costs, made by any third party relating to or arising out of (a) your use or attempted use of the Website or Online Courses in violation of these Terms of Use, (b) your use or attempted use of any code, program, data, information or any other Content provided on the Website or through the Online Courses in a manner inconsistent with these Terms of Use, (c) your use or your violation of any law or rights of any third party, or (d) your information you post or otherwise make available on the Website or through the Online Courses, including without limitation any claim of infringement of intellectual property or other proprietary rights.

Termination of Rights

You agree that Blockchain Semantics, in its sole discretion, may deactivate your account or otherwise terminate your use of the Website or Online Courses for any reason or no reason, including, without limitation, if Blockchain Semantics believes that you have (a) breached these Terms of Use; (b) infringed the intellectual property rights of a third party; (c) posted, uploaded or transmitted Unauthorized Content to the Website; or (d) violated or acted inconsistently with the letter or spirit of these Terms of Use or any applicable code of conduct. You agree that any deactivation or termination of your access to the Website or Online Courses may be effected without prior notice to you and that Blockchain Semantics shall not be liable to you nor any third party for any termination of your account or the Online Courses. You also acknowledge that Blockchain Semantics may retain and store your information on Blockchain Semantics’s systems notwithstanding any termination of your account or the Online Courses.

Dispute Procedure and Claims of Copyright Infringement

  • an electronic or physical signature of the person authorized to act on behalf of the owner of the product, copyright or other intellectual property interest;
  • a description of the product, work or other intellectual property that you claim has been misrepresented or infringed;
  • a description of where the material that you claim is misrepresenting or infringing your product, work or other intellectual property is located on the Online Courses; your address, telephone number, and email address;
  • a statement by you that you have a good faith belief that the disputed use is not authorized by the owner of the product, work, copyright or intellectual property, or its agent, or applicable law; and
  • a statement by you, made under penalty of perjury, that the above information in your notice is accurate and that you are the product, work, copyright or intellectual property owner or authorized to act on such owner’s behalf.

Blockchain Semantics’s Copyright Agent for notices of disputes or claims of copyright or other intellectual property infringement can be reached as follows:

Copyright Agent Blockchain Semantics, 604, Crystal Paradise, Off Veera Desai road, Andheri(w) Mumbai Email: reachout@blockchainsemantics.com

Miscellaneous Provisions

You affirm that you are either 18 years of age or older, or an emancipated minor, or possess legal parental or guardian consent, and are fully able and competent to enter into these terms, conditions, obligations, affirmations, representations and warranties set forth in these Terms of Use. In any case, you affirm that you are over the age of 13 as the Online Courses are not intended for children under 13. If you under 13 years of age, do not use the Online Courses.

Blockchain Semantics may freely transfer or assign any portion of its rights or delegate its obligations under these Terms of Use. You shall not transfer or assign, by operation of law or otherwise, any portion of your rights or delegate your obligations under these Terms of Use without the prior written consent of Blockchain Semantics.

These Terms of Use shall be governed by, construed and enforced in accordance with the laws of the Indian Contract Act 1872, as it is applied to agreements entered into and to be performed entirely within India and without giving effect to any principles of conflict of laws. You agree that any legal lawsuit or other action brought by Blockchain Semantics, you or any third party to enforce these Terms of Use, or in connection with any matters related to the Website or Online Courses, shall be subject only to the jurisdiction of the courts located in India. Blockchain Semantics makes no representations that the Website operate (or are legally permitted to operate) in all geographic areas, or that the Website, or information, services or products offered through the Website are appropriate or available for use in other locations. Accessing the Website from territories where the Website, or any content or functionality of the Website or portions thereof, including but not limited to functionality discussed in the Privacy Policy, is illegal is expressly prohibited. If you choose to access the Website, you agree and acknowledge that you do so on your own initiative and at your own risk and that you are solely responsible for compliance with all applicable laws.

If any provision of these Terms of Use is found to be unlawful, void, or for any reason unenforceable, then that provision shall be deemed severable from the other provisions herein, and shall not affect the validity and enforceability of any remaining provisions. Blockchain Semantics shall have no liability under these Terms of Use to the extent arising from any failure of Blockchain Semantics to perform any of its obligations under these Terms of Use due to any fire, flood, earthquakes, other acts of God, war, civil unrest, terrorism, Internet failures, governmental act or court order, national emergency, strikes or labor disputes or any other event not within Blockchain Semantics’s reasonable control. Blockchain Semantics shall not be responsible for damage or other problems caused by any unauthorized change to these Terms of Use made by way of hacking or cracking this page.

Any delay or failure on the part of Blockchain Semantics to enforce any rights under these Terms of Use to which it may be entitled shall not, in any event, be construed as a waiver of the right and privilege to do so at any subsequent time.

These Terms of Use constitute the entire agreement between you and Blockchain Semantics relating to the matters set forth herein, and shall not be modified except in writing, as posted on the Website by Blockchain Semantics or through a specific writing between you and Blockchain Semantics.

Any notice which may be required to be given to us under these Terms of Use may be sent to us by writing or emailing to the following addresses: Blockchain Semantics, 604, Crystal Paradise, Off Veera Desai road, Andheri(w) Mumbai Email: reachout@blockchainsemantics.com

The section titles herein are displayed for convenience only and have no legal effect.

ARTH Token Terms and Conditions:

The following Terms and Conditions (“Terms”) govern the initial sale of cryptographic tokens – ARTH Tokens (“ARTH”) – that are required to transact on the BCOP open source software platform described in BCOP Whitepaper (“Blockchain Semantics Platform”) to users (“Users” collectively, and “User” individually).

The information contained in the BCOP Whitepaper and on Blockchain Semantics website are of descriptive nature only, are not binding and do not – unless explicitly referred to herein – form part of the Terms or the agreement between the parties.

By purchasing ARTH token, the User expressly acknowledges and represents that he/she has carefully reviewed the Terms and fully understand the risks, costs, and benefits of purchasing ARTH and agrees to be bound by the Terms. As set forth below, the User further represents and warrants that, to the extent permitted by law, he/she is authorized to purchase ARTH in his/her relevant jurisdiction, is of a legal age to be bound by these Terms, and will not hold Blockchain Semantics, its parent and affiliates, and the officers, directors, agents, joint ventures, employees and suppliers of Blockchain Semantics or our parent or affiliates, now or in the future and any other member of the Blockchain Semantics Team (collectively the “Blockchain Semantics”) liable for any losses or any special, incidental, or consequential damages arising out of, or in any way connected to the purchase of ARTH.

The User understands and accepts that while the individuals and entities, including Blockchain Semantics, incorporated under the law of India (hereinafter Blockchain Semantics), assigned to this task will make reasonable efforts to develop and complete the Blockchain Semantics Platform and It’s Project, it is possible that such development may fail and User’s ARTH may become useless and/or valueless due to technical, commercial, regulatory or any other reasons (see also Chapter 4 regarding Risks).

The User is aware of the risk that even if all or parts of the Blockchain Semantics Platform are successfully developed and released in full or in parts, due to a lack of public interest, the Blockchain Semantics Project could be fully or partially abandoned, remain commercially unsuccessful or shut down for lack of interest, regulatory or other reasons. The User therefore understands and accepts that purchasing ARTH carries significant financial, regulatory and/or reputational risks (including the complete loss of value of purchased ARTH, if any, and attributed features of the Blockchain Semantics Project).

This document does not constitute a prospectus of any sort, is not a solicitation for investment and does not pertain in any way to an initial public offering or a share/equity offering and does not pertain in any way to an offering of securities in any jurisdiction.

Only individuals, entities, or companies that have significant experience with, and understanding of the usage and intricacies of cryptographic tokens, like bitcoin (“BTC”), and blockchain-based software systems should participate purchase ARTH. Users should have functional understanding of storage and transmission mechanisms associated with cryptographic tokens. While the Blockchain Semantics Team will be available to assist Users of ARTH during and after the purchase, Blockchain Semantics will not be responsible for lost ether, any other cryptocurrency or ARTH resulting from actions taken by, or omitted by Users. Note, in particular, that Users should take great care to write down their wallet password and not lose it so as to be sure that they will be able to access their ARTH when it becomes available after the purchase.

User understands and accepts that ARTH does not represent or constitute any ownership right or stake, share or security or equivalent rights nor any right to receive future revenues, shares or any other form of participation or governance right in or relating to the Blockchain Semantics Project and/or ARTH. Ownership of ARTH carries no rights, express or implied, other than the right to participate in the Blockchain Semantics Project if and to the extent the Blockchain Semantics Project has been successfully completed and launched. By receiving ARTH no form of partnership, joint venture or any similar relationship between the Users and Blockchain Semantics and/or other individuals or entities involved with the setting up of the Blockchain Semantics Project is created. 1.2.

Blockchain Semantics shall stop accepting new purchase orders of ARTH once total value of purchase orders of ARTH reaches 120 Million units. However the actual amount of ARTH sold may be different from the aforementioned value due to the fact that transactions may clear or be cancelled.

In the spirit of openness and to enable Users to have as much information as possible to guide their decision making process, Blockchain Semantics will disclose in real time the total number of ARTH sold in order to enable the User to develop an understanding of the size of the existing ARTH pool at the time of submitting their ARTH purchase order. 1.5. Sale on Blockchain Semantics ARTH Website

Blockchain Semantics will maintain an interface, which can be used to purchase ARTH. Instructions for purchasing ARTH using the interface will be embedded and available for review on the Blockchain Semantics website during the purchase. Failure to follow these instructions may limit, delay, or prevent a User from purchasing ARTH. Any questions about these instructions should be directed to reachout@blockchainsemantics.com 3 1.6. Obligation to Determine if User Can Purchase ARTH in User’s Jurisdiction and Pay Applicable Taxes

The purchase of cryptographic tokens (ARTH) for obtaining a right to use future software services is provided through the Blockchain Semantics Platform under Indian law. This service is going to be provided by Blockchain Semantics, an Indian entity, operating under Indian law. It is the responsibility of each User of ARTH to determine if the User can legally purchase ARTH in the User’s jurisdiction. In case any taxes have to be paid on the purchase of ARTH in the jurisdiction where the User is located, the User shall undertake to pay such taxes. 1.7. KYC.

By placing a purchase order of ARTH, the User: (i) Consents and agrees to the Terms; (ii) Represents and warrants that the User is legally permitted to purchase Ath in the User’s jurisdiction to have a possibility to obtain service of Indian origin; (iii) Represents and warrants that the User is of a sufficient age to legally purchase ARTH or has received permission from a legal guardian who has reviewed and agreed to these Terms; (iv) Represents and warrants that the User will take sole responsibility for any restrictions and risks associated with the purchase of ARTH as set forth below; (v) Represents and warrants that User is not purchasing ARTH for the purpose of speculative investment; (vi) Represents and warrants that the User is purchasing DLT for the use of the Blockchain Semantics Platform, or to facilitate development, testing, deployment and operation of applications using the Blockchain Semantics Platform; (vii) Represents and warrants that the User has an understanding of the usage and intricacies of cryptographic tokens, like BTC, and blockchain-based software systems.

In order to purchase ARTH, the User will need to provide an email address (the “User Email”). The User Email will be used to email the User a notice of the creation of User’s account on the Blockchain Semantics token platform service where the purchased ARTH shall be delivered. By purchasing ARTH and to the extent permitted by applicable law, the User agrees not to hold any members of the Blockchain Semantics liable for any losses or any special, 4 incidental, or consequential damages arising out of or in any way connected to, User’s failure to access their account. 1.11. Process of purchase of ARTH.

ARTH will be created and delivered to the User through the following process: (i) The User registers on the website BlockchainSemantics.com, providing all necessary information and agrees to the Terms; (ii) The User places a purchase order of ARTH and pays the corresponding sum in ETH; (iii) Within 48 hours after the end of the purchase of ARTH, the purchased amount of ARTH will be issued to the User on the webpage BlockchainSemantics.com/challenges.

All purchases of ARTH are final and non-refundable. By purchasing ARTH the User acknowledges that he/she has no right to request a refund for any reason, and that the User will not receive money or other compensation for any ARTH that remains unused. 1.13. Fraudulent Attempts to Double Spend ETH.

Blockchain Semantics will monitor all potential transactions for fraudulent attempts to double spend ETH. Any detected double spend of ETH will result in no ARTH being delivered to the associated User. 1.14. Rejected Transactions.

Blockchain Semantics shall maintain the right to reject any transaction of purchase of ARTH in case the User has not complied with the Terms or has not transferred necessary funds in ETH to purchase requested amount of ARTH within 24 hours after placing an order to purchase ARTH. In case of rejection of a transaction, Blockchain Semantics shall have the right to freely sell ARTH created for such transactions to other Users.

The User understands and accepts that for the purpose of the development and execution of the Blockchain Semantics Project, Blockchain Semantics receives the full amount of ETH transferred during the purchase. This amount covers expenses, charges and other costs that may arise by Blockchain Semantics and/or its subcontractors as part of the development and execution of the Blockchain Semantics Project. It remains at Blockchain Semantics’s sole discretion to decide how to allocate the funds in order to develop and execute the Blockchain Semantics Project. Blockchain Semantics has the right to engage subcontractors to perform the entire or partial development and execution of the Blockchain Semantics Project.

The User understands and accepts that the User may not have any expectation of influence over governance on the Blockchain Semantics Project.

The User understands and accepts that the Blockchain Semantics Project will need to go through substantial development works as part of which it may become subject of significant conceptual, technical and commercial changes before release. 3. Blockchain Semantics Token Platform

The Blockchain Semantics Token Platform as well as the smart contract has been programmed according to the current state of the art. However, the User understands and accepts that smart contract technology is still in an early development stage and its application is of experimental nature, which carries significant operational, technological, financial, regulatory and reputational risks. 4. Risks

The purchase of ARTH carries with it significant risk. Prior to purchasing ARTH, the User should carefully consider the below risks and, to the extent necessary, consult a lawyer, accountant, and/or tax professionals prior to determining whether to purchase ARTH. In particular, but not concluding, the User understands the inherent risks listed hereinafter:

Risk of software weaknesses: The User understands and accepts that smart contract system concept; the underlying software application and software platform (i.e. the Ethereum blockchain) is still in an early development stage and unproven. Thus there is no warranty that the process of creating and distributing ARTH will be uninterrupted or error-free and there is an inherent risk that the software could contain weaknesses, vulnerabilities or bugs causing, inter alia, the complete loss of ETH and/or ARTH.

Regulatory risk: The User understands and accepts that the blockchain technology allows new forms of interaction and that it is possible that certain jurisdictions will apply existing regulations on or introduce new regulations addressing blockchain technology based applications, which may be contrary to the current setup of the smart contract system and Blockchain Semantics Platform. This may, inter alia, result in substantial modifications of the smart contract system and/or the Blockchain Semantics Project, including its termination and the loss of ARTH for the User.

Risk of abandonment / lack of success: The User understands and accepts that the creation of the ARTH and the development of the Blockchain Semantics Project may be abandoned for a number of reasons, including lack of interest from the public, lack of funding, lack of commercial success or prospects (e.g. caused by competing projects). The User therefore understands that there is no assurance that, even if the Blockchain Semantics Project is partially or fully developed and launched, the User will receive any benefits through the ARTH held by him/her.

Risk associated with other applications: The User understands and accepts that the Blockchain Semantics Project may give rise to other alternative projects, promoted by unaffiliated third parties, under which ARTH will have no intrinsic value.

Risk of loss of private key: ARTH can only be accessed by using an ERC-20 wallet with a combination of User’s account information (address), private key and password. The private key is encrypted with a password. The User understands and accepts that if his/her private key file or password respectively got lost or stolen, the obtained ARTH associated with the User's account (address) or password will be unrecoverable and will be permanently lost.

Risk of theft: The User understands and accepts that the smart contract system concept, the underlying software application and software platform (i.e. the Ethereum blockchain) may be exposed to attacks by hackers or other individuals that could result in theft or loss of ARTH, ETH, impacting the ability to develop the Blockchain Semantics Project.

Risk of Ethereum mining attacks: The User understands and accepts that, as with other cryptocurrencies, the blockchain used for the smart contract system is susceptible to mining attacks, including but not limited to double-spend attacks, majority mining power attacks, 6 “selfish-mining” attacks, and race condition attacks. Any successful attacks present a risk to the smart contract system, expected proper execution and sequencing of Blockchain Semantics transactions, and expected proper execution and sequencing of contract computations.

Risk of incompatible Wallet service: The User understands and accepts, that the wallet or wallet service provider used for purchasing ARTH, has to be technically compatible with the ARTH. Failure to assure this may have the result that User will not gain access to his/her ARTH.

Risks related to Amendments: Amendments to the Blockchain Semantics Platform’s protocols and software, if accepted and authorised by the Blockchain Semantics Platform’s community, could adversely affect Arths. To the extent that a significant majority of the users on the Blockchain Semantics Platform install software upgrade(s), the Blockchain Semantics Platform would be subject to new protocols and software that may adversely affect Arths. If more than a significant majority of the users on the Blockchain Semantics Platform install such software upgrade(s), the Blockchain Semantics Platform could “fork.” A failure to properly monitor and upgrade the protocol could damage the Blockchain Semantics Platform and ARTH.

Risks related to intellectual property rights claims: Intellectual property rights claims may adversely affect the operation of the Blockchain Semantics Platform. Third parties may assert intellectual property claims relating to the holding and transfer of digital assets and their source code. Regardless of the merit of any intellectual property or other legal action, any threatened action that reduces confidence in the Blockchain Semantics Platform’s long-term viability or the ability of end-users to hold and transfer ARTH may adversely affect the value of ARTH. Additionally, a meritorious intellectual property claim could prevent Blockchain Semantics and other end-users from accessing the Blockchain Semantics Platform or holding or transferring their ARTH. 5. No Liability.

The User bears the sole responsibility to determine if the purchase, ownership or use of ARTH, the potential appreciation or depreciation in the value of ARTH over time (if any), the allocation of ARTH and/or any other action or transaction related to the Blockchain Semantics Project have tax implications for him/her. In case of any tax obligations, the User shall be under obligation to pay all and any applicable tax. By purchasing, holding or using ARTH the User agrees not to hold any third party (including developers, auditors, contractors or founders of Blockchain Semantics) liable for any tax liability associated with or arising from the creation, ownership or use of ARTH or any other action or transaction related to the Blockchain Semantics Project.

The User acknowledges and agrees that, to the fullest extent permitted by any applicable law, the User will not hold any developers, advisors, auditors contractors or founders of Blockchain Semantics liable for any damages or injury whatsoever caused by or related to the use of or the inability to use ARTH or the Blockchain Semantics Platform under any cause or action whatsoever of any kind in any jurisdiction, including, without limitation, actions for breach of warranty, breach of contract or tort (including negligence) and that developers, auditors, advisors, contractors or founders of Blockchain Semantics Project shall not be liable for any indirect, incidental, special, exemplary or consequential damages, including for loss of profits, goodwill or data, in any way whatsoever arising out of the use of, or the inability to use of the Blockchain Semantics Platform and/or ARTH.

The User further specifically acknowledges that developers, advisors, auditors, contractors or founders of the Blockchain Semantics Project are not liable, and the User agrees not to seek to hold them liable, for the conduct of third parties, including other creators of ARTH, and that the risk of purchasing, holding and using ARTH rests entirely with the User.

By purchasing, holding or using ARTH, and to the extent permitted by law, the User agrees not to hold any third party (including developers, auditors, advisors, contractors or founders) 7 liable for any regulatory implications or liability associated with or arising from the purchase, ownership or use of ARTH or any other action or transaction related to the Blockchain Semantics Project. 6. Privacy

Although Blockchain Semantics requires Users to provide an email address and other information, Blockchain Semantics will not publish any identifying information related Users without the prior written consent of the User unless required to do so under applicable law. Blockchain Semantics may request Users from time to time to provide additional information. The User undertakes to provide such information. Users may be contacted via email by Blockchain Semantics regarding purchase or delivery of ARTH and the use of the Blockchain Semantics Platform. 7. Disclaimer of Warranties.

THE USER EXPRESSLY AGREES THAT THE USER IS PURCHASING ARTH AT THE USER’S SOLE RISK AND THAT ARTH IS PROVIDED ON AN "AS IS" BASIS WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF TITLE OR IMPLIED WARRANTIES, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE (EXCEPT ONLY TO THE EXTENT PROHIBITED UNDER APPLICABLE LAW WITH ANY LEGALLY REQUIRED WARRANTY PERIOD TO THE SHORTER OF THIRTY DAYS FROM FIRST USE OR THE MINIMUM PERIOD REQUIRED). WITHOUT LIMITING THE FOREGOING, NONE OF THE BLOCKCHAIN SEMANTICS PARTIES WARRANT THAT THE PROCESS OF PURCHASING ARTH WILL BE UNINTERRUPTED OR ERROR-FREE. 8. Limitations Waiver of Liability.

THE USER ACKNOWLEDGES AND AGREES THAT, TO THE FULLEST EXTENT PERMITTED BY ANY APPLICABLE LAW, THE DISCLAIMERS OF LIABILITY CONTAINED HEREIN APPLY TO ANY AND ALL DAMAGES OR INJURY WHATSOEVER CAUSED BY OR RELATED TO USE OF OR INABILITY TO USE ARTH OR THE BLOCKCHAIN SEMANTICS PLATFORM UNDER ANY CAUSE OR ACTION WHATSOEVER OF ANY KIND IN ANY JURISDICTION, INCLUDING, WITHOUT LIMITATION, ACTIONS FOR BREACH OF WARRANTY, BREACH OF CONTRACT OR TORT (INCLUDING NEGLIGENCE) AND THAT NONE OF THE BLOCKCHAIN SEMANTICS PARTIES SHALL BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES, INCLUDING FOR LOSS OF PROFITS, GOODWILL OR DATA, IN ANY WAY WHATSOEVER ARISING OUT OF THE USE OF, OR INABILITY TO USE, OR PURCHASE OF, OR INABILITY TO PURCHASE, ARTH. THE USER FURTHER SPECIFICALLY ACKNOWLEDGES THAT BLOCKCHAIN SEMANTICS PARTIES ARE NOT LIABLE FOR THE CONDUCT OF THIRD PARTIES, INCLUDING OTHER USERS OF ARTH, AND THAT THE RISK OF PURCHASING AND USING ARTH RESTS ENTIRELY WITH THE USER. TO THE EXTENT PERMISSIBLE UNDER APPLICABLE LAWS, UNDER NO CIRCUMSTANCES WILL ANY OF THE BLOCKCHAIN SEMANTICS PARTIES BE LIABLE TO ANY USER FOR MORE THAN THE AMOUNT THE USER HAVE PAID TO BLOCKCHAIN SEMANTICS FOR THE PURCHASE OF ARTH. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF CERTAIN WARRANTIES OR THE LIMITATION OR EXCLUSION OF LIABILITY FOR CERTAIN TYPES OF DAMAGES. THEREFORE, SOME OF THE ABOVE LIMITATIONS IN THIS SECTION AND ELSEWHERE IN THE TERMS MAY NOT APPLY TO A USER. 9. Dispute Resolution.

Blockchain Semantics and the User agree to make good faith efforts to resolve any dispute, controversy or claim arising between them relating to the purchase and their respective rights and obligations hereunder arising under these Terms.

Terms are governed by the laws of the Republic of India.

Blockchain Semantics is not liable for failure to perform caused by: (i) unavoidable casualty, (ii) delays in delivery of materials, (iii) embargoes, (iv) government orders, (v) acts of civil or military authorities, (vi) acts by common carriers, (vii) emergency conditions (including weather conditions), or (viii) any similar unforeseen event that renders performance commercially implausible.

If an event of force majeure occurs, the party injured by the other’s inability to perform may elect to suspend the Agreement, in whole or in part, for the duration of the force majeure circumstances. The party experiencing force majeure circumstances shall cooperate with and assist the injured party in all reasonable ways to minimize the impact of force majeure on the injured party. 11. Complete Agreement

These Terms set forth the entire understanding between each User and Blockchain Semantics with respect to the sale and use of ARTH.

The User and Blockchain Semantics agree that if any portion of these Terms is found illegal or unenforceable, in whole or in part, such provision shall, as to such jurisdiction, be ineffective solely to the extent of such determination of invalidity or unenforceability without affecting the validity or enforceability thereof in any other manner or jurisdiction and without affecting the remaining provisions of the Terms, which shall continue to be in full force and effect. 13. No Waiver

The failure of Blockchain Semantics to require or enforce strict performance by the User of any provision of these Terms or Blockchain Semantics’s failure to exercise any right under these agreements shall not be construed as a waiver or relinquishment of Blockchain Semantics's right to assert or rely upon any such provision or right in that or any other instance. The express waiver by Blockchain Semantics of any provision, condition, or requirement of these Terms shall not constitute a waiver of any future obligation to comply with such provision, condition or requirement. Except as expressly and specifically set forth in this these Terms, no representations, statements, consents, waivers, or other acts or omissions by Blockchain Semantics shall be deemed a modification of these Terms nor be legally binding, unless documented in physical writing, hand signed by the User and a duly appointed officer, employee, or agent of Blockchain Semantics. 14. Updates to the Terms

Any User will be deemed to have accepted any changes mentioned above by purchasing ARTH. The Terms may not be otherwise amended except in a signed writing executed by both the User and Blockchain Semantics. For purposes of this agreement, "writing" does not include an e-mail message. If at any point the User does not agree to any portion of the then-current version of the Terms, the User should not purchase ARTH. 15. Cooperation with Legal Authorities

Blockchain Semantics will cooperate with all law enforcement enquiries, subpoenas, or requests provided they are fully supported and documented by the law in the relevant jurisdictions. In accord with one of the core principles of the Blockchain Semantics project — transparency — Blockchain Semantics will endeavor to publish any legal enquiries upon receipt.