Chaince Digital Holdings Inc., formerly Mercurity Fintech Holding Inc., is a fintech company, which is engaged in offering technology and financial services. It provides tokenization and on-chain innovation solutions, offering services spanning digital assets, financial advisory, and capital markets solutions. The Company's segment includes blockchain & digital asset solutions; AI & HPC infrastructure, and financial services. Under the Blockchain & Digital Asset solutions segments, it operates crypto mining facilities focused on Filecoin and Bitcoin. Under the AI & HPC infrastructure segment, Affinity Base develops liquid cooling solutions for AI data centers and HPC operations to reduce energy consumption and improve hardware performance. Under the Financial Services segment through its subsidiary, Chaince Securities, LLC, the Company offers capital markets and investment solutions for institutions, high-net-worth individuals, and emerging issuers.