TradeUP Global Corporation (NASDAQ: TUGC) operates as a blank check company, or special purpose acquisition company (SPAC), with no significant ongoing business operations; it focuses on effecting a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more unidentified businesses. The company, founded in 2021 and headquartered in New York, New York, generates no revenue from products or services, maintaining minimal assets primarily consisting of cash held in trust from its initial public offering for potential acquisition purposes; it targets opportunities across various industries without specified geographic limitations beyond its U.S. listing. In a major development completed on April 29, 2022, TradeUP Global Corporation merged with SAITECH Limited, an Eurasia-based sustainable bitcoin mining and hosting operator, resulting in the combined entity being renamed SAI.TECH Global Corporation with its shares trading under the ticker SAI, though TUGC continues to appear in select market listings as of late 2025.