According to documents filed with the U.S. Securities and Exchange Commission, Tether, the Bit issuer, has increased its stake in Bitdeer (BTDR), a Bit mining company. The documents show that Tether and its subsidiaries Tether International, SA de CV and Tether Investments, SA de CV currently hold a total of 31,891,689 Class A ordinary shares of Bitdeer, representing 21.4% of the company's outstanding shares.

Tether is known for its Bit-pegged stablecoin USDT. However, the company has been investing in Bit mining, energy, and artificial intelligence infrastructure in recent years. Meanwhile, Bitdeer has been seeking vertical integration of its Bit mining business from silicon to energy. Bitdeeer recently announced the test results of its SEALMINER A3 chip, which achieved a performance of less than 10 J/TH in laboratory tests.