Cookie Policy

1.1 Cookies are small text files placed on your device when you visit a website. They allow the Service to recognize your device, maintain session integrity, store preferences, and improve functionality. 1.2 Cookies may be: (a) Session Cookies, which expire when you close your browser; or (b) Persistent Cookies, which remain on your device until they expire or are manually deleted. 1.3 In addition to traditional cookies, Blockchain.ai may use similar technologies including: (a) Local storage mechanisms; (b) Secure session tokens; (c) Server-side log identifiers; (d) API request identifiers; (e) Web beacons or pixel tags; (f) Security monitoring scripts. 1.4 References to "Cookies" in this Policy include these similar technologies unless otherwise specified.

2.1 Blockchain.ai uses Cookies to: a) Operate and secure the Service; b) Authenticate users and maintain session continuity; c) Prevent fraud, abuse, and unauthorized access; d) Optimize dashboard performance and load balancing; e) Support API integrity and request validation; f) Improve artificial intelligence response performance; g) Analyze aggregated usage patterns; h) Store user interface preferences; i) Comply with regulatory and sanctions controls. 2.2 Cookies are not used to provide personalized investment advice or suitability assessments.

3.1 Strictly Necessary Cookies These Cookies are essential for the operation and security of the Service. They enable: a) Account authentication; b) Session management; c) API request integrity; d) Security monitoring; e) Geo-restriction enforcement; f) Load balancing; g) Fraud prevention. These Cookies are deployed based on legitimate interest and do not require consent under applicable EU law. 3.2 Functional Cookies These Cookies allow the Service to remember your preferences, such as: a) Language settings; b) Dashboard configurations; c) Interface preferences; d) Saved filters or display selections. Where required by law, these Cookies are deployed only with user consent. 3.3 Performance and Analytics Cookies These Cookies help us understand how users interact with the Service, including: a) Page visits; b) Feature engagement; c) AI tool interaction frequency; d) Error detection and crash diagnostics; e) API usage patterns; f) Performance metrics. Analytics data is processed in aggregated or pseudonymized form where possible. Where required under GDPR or similar laws, these Cookies are deployed only after obtaining user consent. 3.4 Advertising and Marketing Cookies Blockchain.ai does not engage in cross-site behavioral advertising by default. If marketing or promotional tools are introduced in the future: a) They will be clearly disclosed; b) They will require user consent where required by law; c) They will not use prohibited fingerprinting or unlawful cross-context tracking methods.

4.1 Cookies and session identifiers may be used to maintain AI chat continuity and dashboard state. 4.2 AI session data may be associated with session identifiers for abuse detection, rate limiting, and performance optimization. 4.3 Cookies are not used to create financial behavior profiles or automated investment recommendations.

5.1 Where optional wallet connection features are offered, local storage or session tokens may be used to maintain connection status. 5.2 Such mechanisms: a) Do not store private keys; b) Do not access seed phrases; c) Do not extract wallet credentials. 5.3 Blockchain transactions themselves are recorded on decentralized public networks beyond the control of Blockchain.ai and are not created by Cookies. 5.4 Web3 session data is temporary and limited to operational functionality.

6.1 Blockchain.ai may use trusted third-party providers for: a) Cloud hosting; b) Content delivery; c) Security monitoring; d) Analytics; e) Payment processing; f) Compliance screening. 6.2 These providers may set Cookies or similar identifiers to perform services on our behalf. 6.3 Third-party Cookies are governed by the privacy policies of the respective providers. 6.4 Blockchain.ai does not authorize third parties to use Cookies for independent advertising or profiling unrelated to the Service.

7.1 Under the EU ePrivacy Directive and UK PECR: (a) Strictly necessary Cookies are deployed based on legitimate interest; (b) Functional, analytics, and marketing Cookies require user consent. 7.2 Users may withdraw consent at any time via our cookie preference interface. 7.3 Withdrawing consent does not affect the lawfulness of prior processing.

8.1 You may manage Cookie preferences through: a) The consent banner displayed upon visiting the Service; b) The cookie settings link in the website footer; c) Your browser settings. 8.2 Disabling strictly necessary Cookies may impair Service functionality or security. 8.3 You may also use industry opt-out tools where applicable in your jurisdiction.

9.1 Cookie retention periods vary based on purpose. 9.2 Session Cookies expire upon browser closure. 9.3 Persistent Cookies remain until expiration or manual deletion. 9.4 Cookie-related logs may be retained for longer periods where required for fraud prevention, regulatory compliance, or dispute resolution.

10.1 Some Cookies may process personal data where they are linked to identifiable accounts or IP addresses. 10.2 Personal data collected via Cookies is processed in accordance with our Privacy Policy. 10.3 Where consent is required, non-essential Cookies will not process personal data unless you have explicitly agreed.

11.1 Under certain U.S. state laws, including the California Consumer Privacy Act, Cookies may constitute personal information. 11.2 Blockchain.ai does not sell personal information as defined under applicable U.S. law. 11.3 If Cookies are used for cross-context behavioral advertising in the future, opt-out mechanisms will be provided where legally required.

12.1 Some browsers provide "Do Not Track" or Global Privacy Control signals. 12.2 Where legally required, Blockchain.ai will honor valid browser-level opt-out signals consistent with applicable law.

13.1 We may update this Cookie Policy periodically to reflect changes in regulatory requirements, technological advancements, or modifications to the Service. 13.2 Because individual cookies and third-party technologies may change over time, Blockchain.ai may update appendices from time to time without issuing a new version of the entire Cookie Policy. 13.3 Updates to the annex will reflect changes in the cookies used by our Service while preserving the overall structure and principles described in this Policy. 13.4 When we make significant changes, we will update the "Last Updated" date above, and we may provide additional notice as required by law. Continued use of the Service after updates constitutes acceptance of the revised Policy.

If you have questions about this Cookie Policy, or wish to exercise rights related to cookies and tracking technologies, you may contact: Blockchain.ai Support Email: compliance@blockchain.ai