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acy and provides this Privacy Policy (the "policy") to inform you about the personal information we may collect from you or that you may provide when you visit our Websites and our treatment of and practices related to collecting, using, and disclosing personal information. As used in this policy, "personal information" relates to information that identifies, relates to, describes, or could reasonably be linked with an identifiable natural person. This policy applies to personal information we collect: On our Websites. In Telegram, Discord, and other electronic communications between you and us. Through mobile and desktop applications you download from our Websites, which provides dedicated non-browser-based interaction between you and our Websites. Please read this policy carefully to understand our policies and practices regarding your personal information and how we will treat it. By accessing or using our Websites, you consent to this policy and our Terms of Service. Information We Collect About You and How We Collect It We may collect the following categories of personal information from and about users of our Websites: Identifiers: such as wallet addresses, e-mail address, social media username, or other identifying information. Device Information: such as internet protocol (IP) address, web browser type, operating system version, phone carrier and manufacturer, application installations, device identifiers, and mobile advertising identifiers. Usage data: such as internet or other electronic network activity information including, but not limited to, browsing history, search history, and information regarding a consumer's interaction with an internet website, application, or advertisement. Profiles and inferences: inferences drawn from any of the information identified above to create a profile reflecting your preferences, behavior, attitudes, or abilities. Commercial information: including records of services rendered, purchased, obtained, or considered, or other purchasing or use histories or tendencies. Blockchain information: such as wallet information, account balances, and on-chain transaction information. Although this information may not be considered personal information on its own, we may combine it with personal information collected from our Websites and/or services. We collect this information: Directly from you when you provide it to us. Automatically as you navigate through the site. Information collected automatically may include usage details, IP addresses, and information collected through cookies, web beacons, and other tracking technologies. From third parties, such as our service providers and business partners. Information You Provide to Us The information we may ask you to provide and that we will collect may include: Information that you provide by filling in forms or signing up for any activity on our Websites. This includes information provided at the time of registering for an account on our Websites. Records and copies of your correspondence (including email addresses), if you contact us. Your responses to any activity that we might ask you to complete for research purposes. Details of transactions you carry out through our Websites. You also may provide information to be published or displayed (hereinafter, "posted") on public areas of the Websites, or transmitted to other users of the Websites or third parties (collectively, "User Contributions"). Your User Contributions are posted on and transmitted to others at your own risk. Although we limit access to certain pages/you may set certain privacy settings for such information by logging into your account profile, please be aware that no security measures are perfect or impenetrable. Additionally, we cannot control the actions of other users of the Websites with whom you may choose to share your User Contributions. Therefore, we cannot and do not guarantee that your User Contributions will not be viewed by unauthorized persons. Information We Collect Through Automatic Data Collection Technologies As you navigate through and interact with our Websites, we may use automatic data collection technologies to collect certain information about your equipment, browsing actions, and patterns, including: Details of your visits to our Websites, including traffic and usage data, location data, logs, and data about the pages and areas that you access and interact with on the Websites. Information about your computer and internet connection, including your IP address, operating system, and browser type. We also may use these technologies to collect information about your online activities over time and across third-party websites or other online services (behavioral tracking). The personal information we collect automatically is aggregated statistical data and does not include personal information, but we may maintain it or associate it with personal information we collect in other ways or receive from third parties. It helps us to improve our Websites and to deliver a better and more personalized service, including by enabling us to: Estimate our audience size and usage patterns. Store information about your preferences, allowing us to customize our Websites according to your individual interests. Speed up your searches. Remember your preferences while you use our Websites. The technologies we use for this automatic data collection may include: Cookies: A cookie is a small file placed on the hard drive of your computer. You may refuse to accept browser cookies by activating the appropriate setting on your browser. However, if you select this setting you may be unable to access certain parts of our Websites. Unless you have adjusted your browser setting so that it will refuse cookies, our system will issue cookies when you direct your browser to our Websites. Performance and Analytics Cookies: These cookies allow us to count visits and traffic sources, through various third parties, so we can measure and improve the performance of our Websites. These enable us to collect information about how you use our Websites or read our publications, for instance which pages are viewed by visitors most frequently and how users interact with each of our Websites. This information is used to compile reports to improve the respective site, including reports on the number of visitors to the Websites, where the visitors are located, marketing and referrals, and what pages the users visit on our Websites. All information these cookies collect is aggregated and is not associated with an identifiable individual. If you do not allow these cookies, we will not know when you have visited our Websites and will not be able to monitor site performance. Web Beacons: Pages of our Websites and our e-mails may contain small electronic files known as web beacons (also referred to as clear gifs, pixel tags, and single-pixel gifs) that permit us, for example, to count users who have visited those pages or opened an email and for other related website statistics (for example, recording the popularity of certain website content and verifying system and server integrity). Pixel Tags: Pixel tags are tiny graphic images with a unique identifier, similar in function to cookies, that are used to track online movements of web users. In contrast to cookies, which are stored on a computer's hard drive or web browser, pixel tags are embedded invisibly in web pages. Pixel tags are often used in combination with cookies, to trigger the placing of cookies, and/or to transmit information to us or our vendors or partners. This enables two websites to share information. The resulting connection can include information such as a device's IP address, the time a person viewed the pixel, an identifier associated with a browser or device, the type of browser being used, and the URL of the web page from which the pixel was viewed. Pixel tags also allow us to send email messages in a format that users can read, tell us whether emails have been opened, and help to ensure we are sending only messages that may be of interest to our consumers. Most browsers automatically accept cookies, but you may be able to control the way in which your devices permit the use of cookies, web beacons/clear gifs, and other automatic data collection technologies. If you so choose, you may block or delete our cookies from your browser; however, blocking or deleting cookies may cause some Website features and general functionality to work incorrectly. How We Use Your Information We use personal information that we collect about you or that you provide to us, including any personal information: To provide our Websites and its contents to you. To provide you with information, products, or services that you request from us. To fulfill any other purpose for which you provide it. To provide you with notices about your account. To carry out our obligations and enforce our rights arising from any contracts entered into between you and us. To fulfill any other purpose for which you provide it. To notify you about changes to our Websites or any products or services we offer or provide though it. For other purpose we may disclose when you provide the personal information. To analyze user's blockchain activity and transaction information to improve our services and Websites. To detect and prevent fraud, abuse, Sybil attacks, and other malicious activity through behavioral analysis and pattern recognition. To process verification challenges through third-party services such as Cloudflare and Google reCAPTCHA. For any other purpose with your consent. We may use the information we have collected from you to enable us to display advertisements to our advertisers' target audiences. Even though we do not disclose your personal information for these purposes without your consent, if you click on or otherwise interact with an advertisement, the advertiser may assume that you meet its target criteria. Disclosure of Your Information We may disclose aggregated information about our users, and information that does not identify any individual, without restriction. We may disclose personal information that we collect or you provide as described in this policy: To our subsidiaries and affiliates. To contractors, service providers, and other third parties we use to support our business and who are bound by contractual obligations to keep personal information confidential and use it only for the purposes for which we disclose it to them. To a buyer or other successor in the event of a merger, divestiture, restructuring, reorganization, dissolution, or other sale or transfer of some or all of our assets, whether as a going concern or as part of bankruptcy, liquidation, or similar proceeding, in which personal information held by us about our Websites users is among the assets transferred. To fulfill the purpose for which you provide it. For example, if you give us an email address to sign up for our newsletter, we may transmit your email address to our third-party service provider that sends the newsletter on our behalf. For any other purpose disclosed by us when you provide the personal information. With your consent. We may also disclose your personal information: To comply with any court order, law, or legal process, including responding to any government or regulatory request. To enforce or apply our Terms of Service and other agreements, including for billing and collection purposes. If we believe disclosure is necessary or appropriate to protect the rights, property, or safety of us, our customers, or others. This includes exchanging information with other companies and organizations for the purposes of conducting background checks, complying with Know Your Customer and anti-money laundering laws, fraud protection, Sybil attack prevention, and credit risk reduction. Data Security We have implemented measures designed to secure your personal information from accidental loss and from unauthorized access, use, alteration, and disclosure. Unfortunately, the transmission of personal information via the internet is not completely secure. Although we do our best to protect your personal information, we cannot guarantee the security of your personal information transmitted to our Websites. Any transmission of personal information is at your own risk. Children Under the Age of 18 Our Websites are not intended for children under 18 years of age. No one under age 18 may provide any personal information to or on the Websites. We do not knowingly collect personal information from children under 18. If you are under 18, do not use or provide any information on our Websites, or provide any information about yourself to us, including your name, address, telephone number, email address, or any screen name or username you may use. If we learn we have collected or received personal information from a child under 18, we will delete that information. If you believe we might have any information from or about a child under 18, please contact us at pr@blockstreet.money . Contact Information To ask questions or comment about this privacy policy and our privacy practices, contact us at: Email: pr@blockstreet.money Terms of Use GitHub Next Page ## /docs/technology Technology Overview Technology Philosophy Aqua represents a paradigm shift in decentralized exchange architecture, pioneering a hybrid approach that combines the best of both off-chain and on-chain worlds. Rather than forcing all operations on-chain at great cost and latency, or sacrificing decentralization for performance, Aqua introduces an intelligent separation of concerns that optimizes for both efficiency and security. Core Technology Principles Hybrid Architecture Design The fundamental innovation of Aqua lies in its hybrid architecture, which strategically divides responsibilities between off-chain and on-chain components. This design recognizes that not all operations require the same level of decentralization and that forcing everything on-chain creates unnecessary costs and complexity. Off-Chain Intelligence Complex price discovery and aggregation logic executed off-chain Real-time issuer integration without gas costs Flexible business logic that can evolve without contract upgrades Sub-second response times for optimal user experience On-Chain Security Cryptographic verification ensures quote authenticity Immutable trade execution provides transparency Decentralized registries eliminate central points of failure Smart contract guarantees ensure settlement finality Request for Quote (RFQ) Model Aqua's RFQ model represents a departure from traditional AMM-based DEXs, introducing a more efficient mechanism for tokenized asset trading. This approach acknowledges that tokenized stocks have different characteristics than cryptocurrencies and require specialized handling. RFQ Advantages Price Discovery : Direct quotes from multiple issuers ensure competitive pricing Capital Efficiency : No locked liquidity in pools, reducing capital requirements Flexibility : Support for diverse asset types and trading strategies Scalability : Off-chain quote generation scales infinitely without blockchain constraints Cryptographic Trust Bridge The connection between off-chain computation and on-chain execution is secured through EIP-712 structured signatures, creating a cryptographic trust bridge that ensures system integrity without sacrificing performance. Trust Properties Authenticity : Every quote is cryptographically signed by the trusted backend Integrity : Any modification to quote data invalidates the signature Non-repudiation : Signed quotes provide an audit trail of offered prices Time-bound : Quotes expire automatically, preventing stale price execution Technology Architecture Technical Innovations Multi-Issuer Aggregation Aqua solves the fragmentation problem in tokenized asset markets by aggregating liquidity from multiple issuers into a unified interface. This aggregation happens intelligently off-chain, where complex algorithms can run without gas constraints. Aggregation Benefits Best price discovery across all available issuers Increased liquidity depth through pooled sources Reduced slippage for large orders Competition among issuers benefits users Adaptive Execution Strategies The system dynamically adjusts its execution strategy based on market conditions, order size, and available liquidity, ensuring optimal execution for each trade. Strategy Types Fast Execution : Prioritize speed for time-sensitive trades Best Price : Maximize price improvement for patient traders Smart Routing : Split large orders across multiple issuers Guaranteed Execution : Ensure fill at any cost for critical trades Registry-Based Extensibility The dual registry system (Token Registry and Executor Registry) provides a flexible framework for system expansion without core protocol changes. Extensibility Features New issuers can be added without system upgrades Support for diverse token standards and protocols Hot-swappable executor contracts for issuer updates Permissionless token registration by authorized issuers Performance Characteristics Latency Optimization By moving price discovery off-chain, Aqua achieves response times that would be impossible in a purely on-chain system: Quote Generation : < 500ms average response time Multi-Issuer Aggregation : Parallel processing reduces latency Signature Generation : Negligible overhead (< 50ms) On-Chain Execution : Standard blockchain confirmation times Scalability Design The hybrid architecture enables horizontal scaling of off-chain components while maintaining the security guarantees of blockchain settlement: Infinite Quote Throughput : Off-chain systems scale with traditional infrastructure No Blockchain Bottleneck : Only final execution touches the chain Stateless Services : Easy horizontal scaling of API servers Caching Strategies : Intelligent caching reduces redundant computations Cost Efficiency The economic model of Aqua dramatically reduces costs compared to fully on-chain DEXs: No Liquidity Provision Gas : Quotes generated off-chain Single Transaction Execution : One transaction per trade Optimized Contract Calls : Minimal on-chain operations Batch Processing : Multiple operations in single transaction where possible Security Architecture Defense in Depth Aqua implements multiple layers of security to protect against various attack vectors: Security Layers Cryptographic Layer : EIP-712 signatures prevent forgery Smart Contract Layer : On-chain verification and validation Access Control Layer : Role-based permissions and registries Time-based Security : Quote expiration and nonce management Trust Minimization While utilizing off-chain computation, Aqua minimizes trust requirements through cryptographic proofs and on-chain verification: Verifiable Quotes : Every quote can be independently verified Transparent Execution : All trades settle on public blockchain Open Registries : Token and executor mappings visible on-chain Immutable History : Complete audit trail on blockchain Technology Trade-offs Design Decisions Every architectural choice in Aqua represents a careful balance of competing concerns: Off-Chain vs On-Chain Choice : Hybrid model with off-chain computation and on-chain settlement Rationale : Optimizes for both performance and security Trade-off : Requires trusted signer but gains massive efficiency RFQ vs AMM Choice : Request for Quote model over Automated Market Makers Rationale : Better suited for tokenized assets with external price references Trade-off : Requires active market makers but provides better pricing Centralized Backend vs Fully Decentralized Choice : Centralized quote aggregation with decentralized execution Rationale : Enables complex computations while maintai