Digital Asset Treasury (DAT) has become a formidable presence in global capital markets, with holdings exceeding $100 billion by 2025. Initially centered on Bitcoin, DAT now encompasses a wide range of digital assets, driven by companies like MicroStrategy adopting innovative financial models. Hong Kong has emerged as a pivotal hub for DAT, benefiting from regulatory clarity and support for Web3 initiatives. Local firms such as Boyaa Interactive and HashKey Group exemplify strategic differentiation within the sector. The future of DAT is set to integrate real-world asset tokenization, presenting new opportunities for companies and investors alike.