[Hong Kong, October 2025] — HashKey Chain has announced a strategic partnership with Advertising Time Trace (ATT Global), an advertising technology project. The collaboration will focus on the tokenization and circulation of advertising-related RWAs (Real World Assets), accelerating the digitalization and value transformation of real-world advertising assets on-chain. ATT Global (Advertising Time Trace) is a Web3 project that integrates decentralized advertising assets, AIoT (Artificial Intelligence of Things), and on-chain payment mechanisms. It is dedicated to transforming physical advertising resources into tradable digital assets. ATT Global has already deployed multiple high-traffic LED screens across major commercial districts in Hong Kong, Indonesia, and Thailand, establishing a new advertising network that combines Web2 traffic capabilities with Web3 settlement infrastructure. As a core business pillar of the HashKey Group, HashKey Chain remains committed to building an open ecosystem for the on-chain transformation of RWAs. This collaboration marks the first joint initiative between the two parties in the high-frequency, fragmented, and non-standardized advertising asset domain, aiming to explore how public blockchain technology can provide trusted asset verification and efficient liquidity for such asset types. Skylar, Head of HashKey Chain, stated: “As a pioneering commercial-use RWA project, ATT Global brings a new and practical business scenario to our ecosystem. This partnership will further extend HashKey Chain’s presence in the RWA space and foster deeper integration between on-chain assets and the real economy.” Alex, Director of ATT Foundation, highlighted the strategic alignment: “The advertising industry inherently features clear cash flows and short return cycles. Through our collaboration with HashKey Chain, we aim to transform these assets into new types of on-chain assets that Web3 users can participate in, combine, and verify, driving a new era of liquidity and transparency in advertising resources.” Looking ahead, the two parties will prioritize the deployment of the ATT Staking mechanism on HashKey Chain and continue to explore advertising rights tokenization, on-chain data analytics, and other innovative applications — jointly advancing the integration of on-chain finance into real-world commercial scenarios.

About Hashkey Chain

HashKey Chain is the preferred blockchain for financial institutions and RWA tokenization, dedicated to promoting compliant and scalable Onchain Finance. As a compliance-friendly blockchain infrastructure, HashKey Chain provides a secure and transparent on-chain environment for institutions.

HashKey Chain inherits Ethereum's decentralized security while enhancing transaction efficiency through high-performance optimization, ensuring on-chain asset stability and traceability. Its low-cost solution offers minimal Gas fees and high throughput, enabling efficient circulation of MMFs, bonds, funds, and stablecoins while reducing institutional operational costs.

HashKey Chain collaborates with leading financial institutions and compliant Web3 projects to provide solutions for institutional DeFi, RWA tokenization, and stablecoin settlement, accelerating the financial system's digital transformation.

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About ATT Global

ATT Global is a forward-looking Web3.0 application project that integrates real-world assets (RWA), decentralized physical infrastructure networks (DePIN), and distributed ledger technology (DLT). Through its unique DA-AIOT-P (Decentralized Assets - Artificial Intelligence of Things - Payment) mechanism, ATT Global has built a new digital advertising ecosystem that merges physical advertising assets, e-commerce advertisers, user resources, and digital technology. This approach unlocks Web2 traffic, creating a new entry point for large-scale Web3 applications！