Microsoft is completely out of the picture now and it already has an official statement. The Chinese government updated the technology export control list two weeks ago. The new export control restricts the export of technologies such as
TikTok algorithms. Bytedance subsequently stated that it would strictly abide by Chinese regulations. According to a Chinese government official, "ByteDance can sell all TikTok products, but not its algorithm". Actually, TikTok without its algorithm is technically useless.
A source familiar with the technology said that ByteDance uses the same source code for
TikTok in all countries/regions and has been modified for different markets. The source said: "Theoretically, the US team can copy the algorithm, but it takes time to get users to do the same..."