Subscription Agreement

Effective Date: February 12, 2026 Last Updated: February 12, 2026

IMPORTANT: PLEASE READ THIS SUBSCRIPTION AGREEMENT CAREFULLY BEFORE CREATING AN ACCOUNT OR USING THE ALPHACANVAS PLATFORM.

BY CLICKING "I AGREE," CREATING AN ACCOUNT, OR ACCESSING OR USING THE SERVICE, YOU ACKNOWLEDGE THAT YOU HAVE READ, UNDERSTOOD, AND AGREE TO BE BOUND BY THIS SUBSCRIPTION AGREEMENT AND ALL INCORPORATED DOCUMENTS. IF YOU DO NOT AGREE, DO NOT CREATE AN ACCOUNT OR USE THE SERVICE.

THIS AGREEMENT CONTAINS A MANDATORY ARBITRATION PROVISION (SECTION 13), A CLASS ACTION WAIVER (SECTION 13.4), AND A LIMITATION OF LIABILITY (SECTION 11). PLEASE READ THESE SECTIONS CAREFULLY.

1. PARTIES AND DEFINITIONS

1.1 Parties

This Subscription Agreement ("Agreement") is entered into by and between:

21Chains LLC, a limited liability company organized under the laws of the Commonwealth of Puerto Rico, doing business as "AlphaCanvas" ("Company," "we," "us," or "our"); and
You, the individual or entity creating an account and using the AlphaCanvas platform ("Subscriber," "you," or "your").

1.2 Definitions

"Platform" or "Service" means the AlphaCanvas web application, APIs, tools, features, and all related services provided by the Company.
"AI Features" means any feature of the Platform that utilizes artificial intelligence, machine learning, or large language model ("LLM") technology, including but not limited to market analysis, scenario modeling, research generation, and analytical tools.
"Research Output" means any analysis, scenario model, research brief, market commentary, data visualization, or other informational content generated by or through the Platform, whether produced by AI, by analytical algorithms, or from market data.
"Monitoring Features" means any feature of the Platform that displays, tracks, or provides observational information about financial markets, positions, or portfolios, including price alerts, data summaries, and analytical observations.
"Third-Party Services" means external services integrated with or accessible through the Platform, including but not limited to LLM providers (Anthropic, OpenAI, xAI) and market data providers.
"User Content" means all data, configurations, prompts, inputs, research queries, and other content you create, upload, or transmit through the Platform.
"BYOK" means "Bring Your Own Keys" -- the model whereby you provide your own API keys for Third-Party Services.

2. INCORPORATED DOCUMENTS

By accepting this Agreement, you also agree to be bound by the following documents, each of which is incorporated herein by reference and forms an integral part of this Agreement:

Terms of Service -- Governs your use of the Platform, acceptable conduct, intellectual property, and related matters.
Privacy Policy -- Describes how we collect, use, store, share, and protect your data.
Risk Disclosure Statement -- Describes the material risks associated with market data, AI-generated analysis, and use of the Platform.
AI & Technology Disclaimer -- Describes the limitations of AI and technology features, and your responsibilities when using them.

In the event of a conflict between this Agreement and any incorporated document, the terms of this Agreement shall control.

You acknowledge that you have been given the opportunity to review each of these documents before accepting this Agreement and that your continued use of the Platform constitutes ongoing acceptance of all incorporated documents, as they may be amended from time to time.

3. CRITICAL ACKNOWLEDGMENTS

BY ACCEPTING THIS AGREEMENT, YOU EXPRESSLY ACKNOWLEDGE AND AGREE THAT:

3.1 AlphaCanvas Is Not a Broker-Dealer

21Chains LLC (d/b/a "AlphaCanvas") is not a registered broker-dealer with the U.S. Securities and Exchange Commission ("SEC") or any state securities regulatory authority. AlphaCanvas is not a member of the Financial Industry Regulatory Authority ("FINRA") or the Securities Investor Protection Corporation ("SIPC"). AlphaCanvas does not execute, clear, or settle securities transactions. AlphaCanvas does not hold, custody, or control client funds or securities. AlphaCanvas does not facilitate, transmit, or execute trades on your behalf.

3.2 AlphaCanvas Is Not an Investment Adviser

21Chains LLC (d/b/a "AlphaCanvas") is not a registered investment adviser under the Investment Advisers Act of 1940, as amended, or under any state equivalent. AlphaCanvas does not provide personalized investment advice, financial advice, tax advice, or legal advice. AlphaCanvas does not assess the suitability or appropriateness of any investment, strategy, or trading decision for any individual user.

3.3 AlphaCanvas Is Not a Fiduciary

AlphaCanvas does not owe you any fiduciary duty. The Company has no obligation to act in your best interest with respect to your investment or financial decisions. Your relationship with AlphaCanvas is that of a technology service provider and subscriber, nothing more.

3.4 AlphaCanvas Is a Research and Analysis Platform

AlphaCanvas is a market intelligence, research, and analysis platform that provides users with tools to:

Access and explore aggregated market data across equities, options, ETFs, and cryptocurrency;
Conduct scenario modeling and what-if analysis using AI and large language models;
Generate structured research briefs and market analysis reports;
Monitor market conditions, price levels, and portfolio positions through observational dashboards;
Receive AI-generated analytical observations about market data and conditions;
And perform other research and analytical activities as initiated by the user.

AlphaCanvas is an informational and educational tool. All Research Output is general in nature and is not tailored to any individual user's financial situation, investment objectives, or risk tolerance. The Platform does not generate buy or sell signals, does not recommend specific trades, and does not instruct or direct users to take any particular investment action.

3.5 No Financial Advice

No content on the Platform -- including AI-generated analysis, market data displays, scenario models, research briefs, analytical observations, or any other information -- constitutes a recommendation that any particular investment, security, portfolio of securities, cryptocurrency, transaction, or investment strategy is suitable for any specific person. Nothing on the Platform constitutes an offer, solicitation, or recommendation to buy, sell, or hold any financial instrument.

3.6 Independent Decision-Making

If you choose to make investment or trading decisions based in whole or in part on information obtained through the Platform, you do so entirely at your own risk and on the basis of your own independent judgment. You should consult with a qualified, licensed financial professional before making any investment or trading decisions.

3.7 AI Limitations

AI and LLM-generated content may contain errors, inaccuracies, biases, hallucinations, or outdated information. AI models cannot predict future market movements. Scenario models and analytical outputs are based on historical data and statistical patterns that may not reflect current or future market conditions. Past performance of any AI model or analytical framework does not indicate or guarantee future results. You must independently verify all AI-generated analysis before relying on it for any purpose.

4. ELIGIBILITY

4.1 Age and Capacity

You represent and warrant that you are at least eighteen (18) years of age (or the age of majority in your jurisdiction, if higher) and have the legal capacity to enter into binding contracts.

4.2 Legal Compliance

You represent and warrant that your use of the Platform complies with all applicable laws, regulations, and rules in your jurisdiction.

4.3 Restricted Jurisdictions

The Platform is not available to residents of jurisdictions where its use would violate applicable law or regulation. You represent that you are not located in, or a citizen or resident of, any such jurisdiction. The Company reserves the right to restrict access to the Platform from any jurisdiction at any time.

5. SUBSCRIPTION TIERS AND FEES

5.1 Subscription Tiers

The Platform offers the following subscription tiers, each with different feature access levels and usage limits as described on the Platform's pricing page:

Tier	Description
Free	Weekly market research summary and select research briefs.
Analyst	Full research access with detailed analysis, scenario modeling, and research brief archive.
Pro	Complete platform access with AI research workflows, monitoring workspace, and AI research assistant.

Feature availability, usage limits, and pricing for each tier are as described on the Platform's current pricing page, which may be updated from time to time.

5.2 Fees and Billing

Free Tier: No charge. Subject to feature and usage limitations.
Paid Tiers: Billed on a recurring basis (monthly or annually, as selected by you) at the rate in effect at the time of purchase or renewal.
Payment Processing: Payments are processed by third-party payment processors. You agree to provide accurate and complete billing information and to keep it updated.
Taxes: All fees are exclusive of applicable taxes. You are responsible for all taxes associated with your subscription.

5.3 Auto-Renewal

Paid subscriptions automatically renew at the end of each billing cycle unless you cancel before the renewal date. You authorize us to charge your payment method on file for each renewal period.

5.4 Cancellation

You may cancel your subscription at any time through your account settings. Cancellation takes effect at the end of your current billing period. No refunds are provided for partial billing periods. Upon cancellation of a paid tier, your account will revert to the Free tier.

5.5 Price Changes

We may change subscription pricing at any time. Price changes for existing subscribers will take effect at the start of the next billing cycle following at least thirty (30) days' notice. Your continued use of the paid Service after a price change takes effect constitutes your acceptance of the new price.

5.6 Third-Party Service Costs

Your use of Third-Party Services (LLM API usage fees, market data fees, etc.) is billed directly by those providers. AlphaCanvas is not responsible for any fees charged by Third-Party Services.

6. BRING YOUR OWN KEYS (BYOK) MODEL

6.1 API Key Responsibility

Certain features of the Platform operate on a BYOK model for LLM providers. You are responsible for:

Obtaining and maintaining your own API keys for supported LLM providers;
Ensuring your API keys have appropriate permissions and security settings;
All usage, charges, and activity associated with your API keys;
Rotating or revoking API keys if you suspect unauthorized access.

6.2 Key Storage

API keys you provide are stored in encrypted form within the Platform. While we implement commercially reasonable security measures, you acknowledge that no system is completely secure and you accept the inherent risks of storing API credentials with any third-party service.

6.3 Third-Party Terms

Your use of Third-Party Services through the Platform remains subject to those services' own terms of service, privacy policies, and acceptable use policies. It is your responsibility to review and comply with all applicable Third-Party Service terms.

7. ELECTRONIC COMMUNICATIONS CONSENT

7.1 Consent to Electronic Communications

By creating an account, you consent to receive all communications from AlphaCanvas electronically, including but not limited to:

Account notifications and alerts;
Subscription and billing confirmations;
Research briefs and market analysis (based on your subscription tier);
Service announcements and updates;
Legal notices, policy changes, and disclosures;
Marketing and promotional communications (subject to opt-out);
Security alerts and password reset communications.

7.2 Electronic Signature

You agree that clicking "I Agree," checking an acceptance checkbox, or otherwise indicating your acceptance through the Platform's user interface constitutes your electronic signature and has the same legal force and effect as a handwritten signature, in accordance with the Electronic Signatures in Global and National Commerce Act (E-SIGN Act, 15 U.S.C. 7001 et seq.) and applicable Puerto Rico electronic transactions law.

7.3 Hardware and Software Requirements

To receive electronic communications, you need: (a) a device with internet access; (b) a current web browser that supports TLS 1.2 or higher; (c) a valid email address on file with your account; and (d) sufficient storage to save or the ability to print communications for your records.

7.4 Updating Contact Information

It is your responsibility to keep your email address and other contact information current. You may update your information through your account settings.

7.5 Withdrawal of Consent

You may withdraw your consent to electronic communications by contacting us at legal@alphacanvas.ai. However, withdrawal of consent may result in the inability to use certain features of the Platform or termination of your account, as the Platform operates exclusively as an electronic service.

8. ACCOUNT REGISTRATION AND SECURITY

8.1 Account Creation

You agree to provide accurate, current, and complete information during registration and to update such information to keep it accurate, current, and complete.

8.2 Account Security

You are solely responsible for maintaining the confidentiality of your account credentials and for all activities that occur under your account. You agree to notify us immediately of any unauthorized use of your account.

8.3 One Account Per Person

Each individual may maintain only one account unless explicitly authorized under a team or organizational subscription.

9. REPRESENTATIONS AND WARRANTIES

9.1 Your Representations

You represent and warrant that:

(a) All information you provide to AlphaCanvas is truthful, accurate, and complete;

(b) You have the legal right and authority to enter into this Agreement and to perform your obligations hereunder;

(d) You understand the limitations of AI-generated analysis and will not treat AI outputs as investment advice or as a substitute for professional financial guidance;

(e) You understand that Research Output is general in nature, is not personalized to your financial situation, and may contain errors or inaccuracies;

(f) You will independently verify all information obtained through the Platform before using it as a basis for any financial decision;

(g) You are not a person or entity subject to trade sanctions administered by OFAC or any equivalent authority.

10. DISCLAIMER OF WARRANTIES

THE PLATFORM AND ALL CONTENT, FEATURES, AI OUTPUTS, RESEARCH OUTPUT, MARKET DATA, AND SERVICES ARE PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, THE COMPANY DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, ACCURACY, AND COMPLETENESS.

WITHOUT LIMITING THE FOREGOING, THE COMPANY DOES NOT WARRANT THAT:

(a) THE PLATFORM WILL BE AVAILABLE, UNINTERRUPTED, SECURE, OR ERROR-FREE;

(b) AI-GENERATED ANALYSIS, SCENARIO MODELS, RESEARCH OUTPUT, OR OTHER CONTENT WILL BE ACCURATE, COMPLETE, RELIABLE, OR SUITABLE FOR ANY PURPOSE;

(d) THE PLATFORM WILL BE COMPATIBLE WITH ALL THIRD-PARTY SERVICES OR LLM PROVIDERS;

(e) ANY PARTICULAR RESULTS WILL BE ACHIEVED FROM USE OF THE PLATFORM.

11. LIMITATION OF LIABILITY

11.1 Exclusion of Damages

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL THE COMPANY, ITS OFFICERS, DIRECTORS, MEMBERS, MANAGERS, EMPLOYEES, AGENTS, AFFILIATES, OR LICENSORS BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO DAMAGES FOR LOSS OF PROFITS, LOSS OF REVENUE, LOSS OF DATA, LOSS OF GOODWILL, TRADING LOSSES, INVESTMENT LOSSES, OR OTHER INTANGIBLE LOSSES, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT OR YOUR USE OF THE PLATFORM, REGARDLESS OF THE THEORY OF LIABILITY (CONTRACT, TORT, STRICT LIABILITY, OR OTHERWISE) AND EVEN IF THE COMPANY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

11.2 Cap on Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE COMPANY'S TOTAL AGGREGATE LIABILITY ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT OR YOUR USE OF THE PLATFORM SHALL NOT EXCEED THE GREATER OF: (a) THE TOTAL FEES PAID BY YOU TO THE COMPANY IN THE TWELVE (12) MONTHS IMMEDIATELY PRECEDING THE EVENT GIVING RISE TO THE CLAIM; OR (b) ONE HUNDRED U.S. DOLLARS ($100.00).

11.3 No Liability for Investment Decisions

THE COMPANY SHALL HAVE NO LIABILITY WHATSOEVER FOR ANY TRADING LOSSES, INVESTMENT LOSSES, OR FINANCIAL DAMAGES RESULTING FROM: (a) YOUR INVESTMENT OR TRADING DECISIONS, WHETHER OR NOT INFORMED BY RESEARCH OUTPUT FROM THE PLATFORM; (b) AI-GENERATED ANALYSIS, SCENARIO MODELS, OR RESEARCH BRIEFS; (c) MARKET DATA INACCURACIES OR DELAYS; (d) THIRD-PARTY SERVICE OUTAGES OR FAILURES; OR (e) ANY OTHER USE OF THE PLATFORM.

11.4 Essential Basis of the Bargain

THE LIMITATIONS AND EXCLUSIONS IN THIS SECTION 11 ARE AN ESSENTIAL BASIS OF THE BARGAIN BETWEEN YOU AND THE COMPANY AND SHALL APPLY EVEN IF ANY REMEDY FAILS OF ITS ESSENTIAL PURPOSE.

12. INDEMNIFICATION

You agree to indemnify, defend, and hold harmless the Company, its officers, directors, members, managers, employees, agents, affiliates, and licensors from and against any and all claims, demands, actions, liabilities, damages, losses, costs, and expenses (including reasonable attorneys' fees) arising out of or in connection with:

(a) Your use of the Platform;

(b) Your investment or trading decisions, whether or not informed by information obtained through the Platform;

(d) Your violation of any applicable law, regulation, or third-party right;

(e) Your User Content;

(f) Your use of Third-Party Services, including LLM providers;

(g) Any dispute between you and a Third-Party Service provider;

(h) Any claim that your use of the Platform caused damage to a third party.

13. DISPUTE RESOLUTION AND ARBITRATION

13.1 Mandatory Arbitration

ANY DISPUTE, CLAIM, OR CONTROVERSY ARISING OUT OF OR RELATING TO THIS AGREEMENT OR YOUR USE OF THE PLATFORM (COLLECTIVELY, "DISPUTES") SHALL BE RESOLVED EXCLUSIVELY THROUGH FINAL AND BINDING ARBITRATION, administered by National Arbitration and Mediation ("NAM") under its Comprehensive Dispute Resolution Rules and Procedures, rather than in court, except that either party may seek injunctive or other equitable relief in court to protect its intellectual property rights.

13.2 Arbitration Procedures

Location: Arbitration shall take place in San Juan, Puerto Rico, or at another mutually agreed location. Virtual hearings are permitted.
Language: English.
Arbitrator: One neutral arbitrator selected in accordance with NAM rules.
Law: The arbitrator shall apply the substantive laws of the Commonwealth of Puerto Rico, without regard to conflict of laws principles, except where preempted by federal law.
Discovery: Limited to the exchange of relevant, non-privileged documents. No depositions except by agreement or order of the arbitrator for good cause.
Award: The arbitrator's award shall be final and binding and may be entered as a judgment in any court of competent jurisdiction.

13.3 Costs

Each party shall bear its own attorneys' fees and costs. Arbitration filing fees shall be split equally, except that if you demonstrate financial hardship, the Company will consider paying your share of filing fees.

13.4 Class Action Waiver

YOU AND THE COMPANY AGREE THAT EACH MAY BRING CLAIMS AGAINST THE OTHER ONLY IN YOUR OR ITS INDIVIDUAL CAPACITY, AND NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY PURPORTED CLASS, CONSOLIDATED, OR REPRESENTATIVE ACTION. Unless both parties agree otherwise, the arbitrator may not consolidate or join more than one person's or party's claims and may not preside over any form of a representative, class, or consolidated proceeding.

13.5 Opt-Out

You may opt out of this arbitration provision by sending written notice to legal@alphacanvas.ai within thirty (30) days of first accepting this Agreement. The opt-out notice must include your full name, account email, and a clear statement that you wish to opt out of arbitration. If you opt out, disputes shall be resolved in the courts of the Commonwealth of Puerto Rico.

13.6 Survival

This arbitration provision shall survive termination of this Agreement and your account.

14. GOVERNING LAW

This Agreement and all Disputes shall be governed by and construed in accordance with the laws of the Commonwealth of Puerto Rico, without regard to its conflict of laws provisions, except where preempted by applicable federal law (including but not limited to the Federal Arbitration Act).

15. MODIFICATIONS

15.1 Right to Modify

The Company reserves the right to modify this Agreement and any incorporated document at any time. Material changes will be communicated to you via email or through the Platform at least thirty (30) days before they take effect.

15.2 Acceptance of Modifications

Your continued use of the Platform after the effective date of any modification constitutes your acceptance of the modified terms. If you do not agree to any modification, your sole remedy is to cancel your subscription and discontinue use of the Platform before the modification takes effect.

16. GENERAL PROVISIONS

16.1 Entire Agreement

This Agreement, together with all incorporated documents, constitutes the entire agreement between you and the Company concerning the Platform and supersedes all prior or contemporaneous communications, proposals, and agreements, whether oral or written.

16.2 Severability

If any provision of this Agreement is found to be unenforceable or invalid, that provision shall be limited or eliminated to the minimum extent necessary so that this Agreement shall otherwise remain in full force and effect.

16.3 Waiver

No waiver of any provision of this Agreement shall be deemed a further or continuing waiver of such provision or any other provision.

16.4 Assignment

You may not assign or transfer this Agreement or your account without the Company's prior written consent. The Company may assign this Agreement without restriction, including in connection with a merger, acquisition, corporate reorganization, or sale of assets.

16.5 Force Majeure

The Company shall not be liable for any failure or delay in performance due to circumstances beyond its reasonable control, including but not limited to acts of God, natural disasters, pandemics, war, terrorism, government actions, power failures, internet outages, cyberattacks, exchange outages, or third-party service failures.

16.6 Notices

Notices to the Company should be sent to: legal@alphacanvas.ai. Notices to you will be sent to the email address associated with your account.

16.7 Survival

Sections 3 (Critical Acknowledgments), 10 (Disclaimer of Warranties), 11 (Limitation of Liability), 12 (Indemnification), 13 (Dispute Resolution and Arbitration), 14 (Governing Law), and this Section 16.7 shall survive termination of this Agreement.

17. ACCEPTANCE

By clicking "I Agree," checking the acceptance checkbox, creating an account, or using the Platform, you confirm that:

You have read and understand this Subscription Agreement in its entirety;
You have read and understand the Terms of Service, Privacy Policy, Risk Disclosure Statement, and AI & Technology Disclaimer;
You meet all eligibility requirements set forth in Section 4;
You consent to electronic communications as set forth in Section 7;
You agree to be bound by this Agreement and all incorporated documents;
You acknowledge the critical disclaimers in Section 3, including that AlphaCanvas is not a broker-dealer, not an investment adviser, and does not provide financial advice;
You understand that all Research Output is for informational and educational purposes only and does not constitute investment advice.

21Chains LLC (d/b/a "AlphaCanvas") Organized under the laws of the Commonwealth of Puerto Rico

Contact: legal@alphacanvas.ai Website: https://alphacanvas.ai

ALPHACANVAS SUBSCRIPTION AGREEMENT