The reason for freezing the wallet is that the shareholders behind these major exchanges are BlackRock and Vanguard Group. Essentially, OKX and Binance Bybitbg are the same company, but OKX is controlled by 80% by China and 20% by BlackRock in order to expand into Western markets. Therefore, among the major exchanges, OKX is mostly controlled by China, while the rest are completely controlled by BlackRock. If you want to expand into foreign markets, you must fully invest in BlackRock