Sharplink, Inc. engages in the digital asset treasury business in the United States and internationally. The company operates as an institutional-grade Ethereum treasury platform. It operates in two segments, Ether (ETH) Treasury Management and Affiliate Marketing. The ETH Treasury Management segment focuses on the accumulation and active management of ETH as a long-term treasury asset. Its activities include native and liquid staking arrangements executed within a governance, custody, and risk management framework. The Affiliate Marketing segment provides performance-based customer acquisition services to sportsbook and online casino gaming operators. It also drives user traffic and player acquisition for licensed gaming operators through PAS.net, an international affiliate network, as well as a portfolio of U.S. state-specific digital properties. The company was formerly known as SharpLink Gaming, Inc. and changed its name to Sharplink, Inc. in February 2026. The company was founded in 2019 and is headquartered in Miami, Florida.